BBASSBAMPLTIFIER500-115
BBT500-110
Owner’s Manual
Mode d’emploi
Bedienungsanleitung
Manual del Usuario
Manuale di Istruzioni
Handleiding
BBT500-115
BBT500-110
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IMPORTANT SAFETY INSTRUCTIONS
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Read these instructions.
Keep these instructions.
Heed all warnings.
10 Protect the power cord from being walked on
or pinched particularly at plugs, convenience
receptacles, and the point where they exit
from the apparatus.
11 Only use attachments/accessories specified
by the manufacturer.
Follow all instructions.
Do not use this apparatus near water.
Clean only with dry cloth.
12 Use only with the cart,
stand, tripod, bracket, or
table specified by the
manufacturer, or sold with
the apparatus. When a cart
is used, use caution when
moving the cart/apparatus
combination to avoid injury
from tip-over.
Do not block any ventilation openings. In-
stall in accordance with the manufacturer's
instructions.
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9
Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including amplifiers) that pro-
duce heat.
13 Unplug this apparatus during lightning
storms or when unused for long periods of
time.
Do not defeat the safety purpose of the po-
larized or grounding-type plug. A polarized
plug has two blades with one wider than the
other. A grounding type plug has two blades
and a third grounding prong. The wide blade
or the third prong are provided for your
safety. If the provided plug does not fit into
your outlet, consult an electrician for re-
placement of the obsolete outlet.
14 Refer all servicing to qualified service per-
sonnel. Servicing is required when the appa-
ratus has been damaged in any way, such as
power-supply cord or plug is damaged, liquid
has been spilled or objects have fallen into
the apparatus, the apparatus has been ex-
posed to rain or moisture, does not operate
normally, or has been dropped.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR
MOISTURE.
ON THE TOP OF THIS UNIT, DO NOT PLACE: CONTAINERS WITH LIQUID IN THEM, AS THEY MAY FALL AND
LIQUID MAY CAUSE ELECTRICAL SHOCK TO THE USER AND/OR DAMAGE TO THIS UNIT.
3
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SPECIAL MESSAGE SECTION
PRODUCT SAFETY MARKINGS:Yamaha electronic prod-
ENVIRONMENTAL ISSUES: Yamaha strives to produce
products that are both user safe and environmentally friendly.
We sincerely believe that our products and the production meth-
ods used to produce them, meet these goals. In keeping with
both the letter and the spirit of the law, we want you to be aware
of the following:
ucts may have either labels similar to the graphics shown be-
low or molded/stamped facsimiles of these graphics on the
enclosure. The explanation of these graphics appears on this
page. Please observe all cautions indicated on this page and
those indicated in the safety instruction section.
Warning: Do not attempt to recharge, disassemble, or inciner-
ate this type of battery. Keep all batteries away from children.
Dispose of used batteries promptly and as regulated by appli-
cable laws. Note: In some areas, the servicer is required by law
to return the defective parts. However, you do have the option
of having the servicer dispose of these parts for you.
Disposal Notice: Should this product become damaged beyond
repair, or for some reason its useful life is considered to be at an
end, please observe all local, state, and federal regulations that
relate to the disposal of products that contain lead, batteries,
plastics, etc.
See rear of Amplifier for graphic symbol markings.
NOTICE: Service charges incurred due to lack of knowledge
relating to how a function or effect works (when the unit is
operating as designed) are not covered by the manufacturer’s
warranty, and are therefore the owners responsibility. Please
study this manual carefully and consult your dealer before re-
questing service.
The exclamation point within the equi-
lateral triangle is intended to alert the
user to the presence of important oper-
ating and maintenance (servicing) in-
structions in the literature accompany-
ing the product.
NAME PLATE LOCATION: The graphic below indicates the
location of the name plate. Information such as model number,
power requirements, serial number, etc., can be found at this
location. You should record the model number, serial number,
and the date of purchase in the spaces provided below and re-
tain this manual as a permanent record of your purchase.
The lightning flash with arrowhead sym-
bol, within the equilateral triangle, is
intended to alert the user to the presence
of uninsulated “dangerous voltage”
within the product’s enclosure that may
be of sufficient magnitude to constitute
a risk of electrical shock.
IMPORTANT NOTICE: All Yamaha electronic products are
tested and approved by an independent safety testing labora-
tory in order that you may be sure that when it is properly in-
stalled and used in its normal and customary manner, all fore-
seeable risks have been eliminated. DO NOT modify this unit
or commission others to do so unless specifically authorized by
Yamaha. Product performance and/or safety standards may be
diminished. Claims filed under the expressed warranty may be
denied if the unit is/has been modified. Implied warranties may
also be affected.
SPECIFICATIONS SUBJECT TO CHANGE: The infor-
mation contained in this manual is believed to be correct at the
time of printing. However,Yamaha reserves the right to change
or modify any of the specifications without notice or obligation
to update existing units.
Model
Serial No.
Purchase Date
92-469-① (rear)
4
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Precautions
● Avoid using your amplifier and speaker in the following locations
to prevent possible damage:
● Keep the amplifier away from neon signs or fluorescent lighting
to prevent noise pickup.
• In direct sunlight or next to heating equipment.
• Extremely cold or hot locations.
• Locations exposed to high humidity or excessive dust.
• Locations subject to strong shocks or vibration.
● Never use benzene, thinner or other volatile liquids for cleaning,
as these chemicals may cause damage or discoloration to the
finish. Always use a dry, soft cloth to wipe off dust and dirt.
● Avoid installing this unit where foreign object may fall onto this
unit and/or this unit may be exposed to liquid dripping or
splashing. On the top of this unit, do not place:
To protect your speakers
• Other components, as they may cause damage and/or
discoloration on the surface of this unit.
• Burning objects (i.e. candles), as they may cause fire,
damage to this unit, and/or personal injury.
• Containers with liquid in them, as they may fall and liquid may
cause electrical shock to the user and/or damage to this unit.
The following may cause damage to speakers:
• Feedback caused when using a microphone.
• Continuous high sound pressure level produced by elec-
tronic instruments.
• Continuous high-power output distorted signals.
• Popping noises caused by turning on equipment, or by
connecting or disconnecting system-components while the
amplifier is turned on.
● If one of the following occurs, disconnect the cable from the
INPUT jack as soon as possible then contact the dealer from
whom you purchased the device for repair.
• The speaker cable or plug has become damaged.
• Sound is not produced or an abnormal smell or smoke is
present.
Operating Cautions!
• A foreign substance gets into the device or liquid is spilled
onto the device.
To use in a safe manner, please obey the following
● About the XLR jack’s polarity
• The device is wet or damp (rain, etc.).
The pin order of the XLR type connector is as follows:
1: Shield (GND), 2: Hot (+), 3: Cold (-)
This conforms to the IEC60268 standard.
• An abnormality or damage is found on the device.
● Before making any connections, make sure that the power on
the amplifier and any external devices is switched OFF.
● About Cellular Phone Interference
● To protect the speaker from possible damage, always set the
Cellular phones used in close proximity to the device may
cause noise. If this is the case, move the phone a little away
from the device.
OUTPUT knob to “0” before switching the power ON/OFF.
● When connecting the speaker jack to a speaker, use only a
cable designed specifically for connecting a speaker to the
amplifier. The use of any other cable can result in fire.
● Even if the device’s main power switch is switched OFF, power
is not cut off from the device. Place the device close to an easily
accessible electric outlet so it can be plugged in or unplugged
with ease.
CAUTION!
Attaching and removing the casters
(BBT500-115 only)
● Your Yamaha amplifier is a precision musical instrument. Handle
When attaching the supplied casters, make sure that the
caster’s shaft is inserted all the way into the receptacle on the
bottom of the cabinet. Also, make sure that all four casters are
attached to ensure stability.
it with care and avoid dropping or bumping it.
● Do not apply excessive force to the switches and controls.
● To prevent damage and possibly electrical shock, never open
Using the cabinet with loose or poorly attached casters will
result in a condition that is unstable and hazardous, and cause
the cabinet to fall over, etc.
the case and tamper with the internal circuitry.
● Do not block the ventilation ducts. The device is designed with
ducts on the front and back to prevent temperatures from rising
inside the device. Blocking the ducts will cause heat to buildup
inside the device, which may result in fire.
OK
Wrong!
● Never place the device on an unstable surface, table, or sloped
surface. Also, never stack the device excessively. Doing so may
cause the device to fall or overturn, causing injury.
* If the device is to be stacked, we recommend that the casters be removed
from the amplifier/speaker to prevent overturning.
● During thunderstorms, switch off the power as soon as possible
and unplug the device from the electric outlet. If there are
lightning strikes, do not touch the power cable if it is still
connected to the electric outlet. Doing so can result in electric
shock.
Insert the shaft until
it is no longer visible.
● For safety, always remove the power plug from the AC wall
outlet if there is any danger of lightning striking in your area.
● Do not use the amplifier for any other purpose than powering a
speaker system.
5
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Thank you for purchasing the Yamaha BBT500-115/BBT500-110 Bass Amplifier.
The BBT5001-115/BBT500-110 is an all-digital bass amplifier that utilizes Yamaha’s DSP
technology to provide bassists with extensive sound tailoring capabilities and simple operation. Thanks
to the use of a highly efficient digital power amplifier in combination with Yamaha’s power switch-
ing technology, the BBT500-115/BBT500-110 can deliver a maximum 500W of power into 2Ω.
The BBT500-115/BBT500-110 offers bassists precision sound tailoring and control with
its 11 sound variation types, 5-band semi-parametric equalizer, compressor, limiter, and noise gate.
It is also equipped with a speaker simulator and effects loop for greater tone tailoring and versatility.
The BBT500-115/BBT500-110 provides 5 internal memory locations that let you store up to five
tone settings for instant recall at the press of a switch. It also offers MIDI compatibility and a bi-amp
system (using two amplifiers to create a single system), etc. that make it an excellent choice for use
in the studio or live performances.
In order to get the most out of your BBT500-115/BBT500-110 and its sophisticated func-
tions, please thoroughly read this Owner’s Manual before using the device. Also, keep the manual in
a safe, convenient place for future reference.
CONTENTS
Panel Controls and Connections........................................ 7
Front Panel .................................................................................. 7
Rear Panel .................................................................................. 8
Operating Instructions ...................................................... 11
Getting sound output................................................................. 11
Adjusting the Input Level ........................................................... 11
Sound Setting ........................................................................... 11
Storing and Recalling Patches .................................................. 12
Detailed Parameter Settings ............................................. 13
Amp Mode................................................................................. 13
Equalizer Mode ......................................................................... 14
Compressor Mode .................................................................... 14
Utility Mode ............................................................................... 15
Air Flow ............................................................................... 18
Error Messages .................................................................. 18
Troubleshooting ................................................................. 18
Specifications..................................................................... 19
MIDI Implementation Chart ............................................... 95
6
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Panel Controls and Connections
Front Panel
!
!
!
!
q
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q Power Switch
i Tone Controls
This is the unit’s main power switch.
(BASS, LOW MID, MIDDLE, HIGH MID,TREBLE)
Adjusts the level of their corresponding frequencies.
In the Equalizer Mode, these knobs are used to set the center frequency
(FREQ) for their corresponding tone control. (→ pg. 14)
In the Compressor Mode, these knobs are used to adjust the param-
eters given below. (→ pg. 14)
* Always set the OUTPUT volume to “0” before switching the power ON or
OFF to protect the speaker from damage.
w Input Jack (INPUT)
This is the unit’s input jack.
Connect the output jack on your bass to this jack.
* Make sure that the power is switched OFF before connecting the bass.
BASS ........... Compressor’s release (RELEASE) time
LOW MID ..... Compressor’s output gain (C. GAIN)
MIDDLE ....... Compressor’s knee (KNEE)
* For U.S. and Canadian models only
HIGH MID .... Noise gate threshold (N. GATE)
To protect against electromagnetic waves, attach
the supplied Clamp Filter to the cable connecting
the bass guitar to the amplifier. (→ pg. 10)
TREBLE ....... Effect loop blend level (BLEND)
o Output Volume Level (OUTPUT)
Adjusts the power amplifier’s output level.
e Input Level Volume (INPUT LEVEL)
This knob is used to set the overall volume level (the amount delivered
by the speaker) of the sound created by the pre-amplifier section’s GAIN,
MASTER, Tone Controls, etc. Adjusting this volume level has no effect
on tone.
Adjusts the amplifier’s input volume level and the volume of the bass
that is connected to the BBT500. Use the indicators located on either
side of the knob to check the signal level. (→ pg. 11)
* The INPUT LEVEL setting is not saved in memory.
* The OUTPUT level setting is not saved in memory.
* This setting does not effect the output level (volume) of the LINE OUT (!,
!) jacks.
r Sound Type Select Switch (SOUND TYPE)
Select one of the eleven preset sound variation types.
The indicator of the selected sound type will light. (→ pg. 11)
! Manual Switch (MANUAL)
This switch resets all parameter values (including Equalizer and Com-
pressor mode settings) to the state they were in when the power was
switched ON. All knobs function as labeled on the panel, and the setting
for each control corresponds to the position of the knob.
If you continuously hold the switch, all settings will be returned to the
state that they were in just before the [MANUAL] or Memory switch was
pressed (Undo Function). (→ pg. 13)
t Compressor Volume (COMP)
Adjusts the compressor’s compression ratio.
In the Equalizer mode, this knob is used to set the center frequency
(PEQ F) of the 1-band parametric equalizer. (→ pg. 14)
y Gain Volume (GAIN)
Adjusts the pre-amplifier’s gain volume level.
* When this knob is set to “0”, no sound will be produced although the
Master Volume is turned up.
In the Equalizer Mode, this knob is used to set the bandwidth (PEQ Q)
of the 1-band parametric equalizer. (→ pg. 14)
! Memory Switches (1-5)
These switches are used to recall data for patches (1-5) saved in the unit’s
memory. The selected memory’s (switch’s) indicator lights. (→ pg. 12)
After editing patch data, press and hold the switch for about 1 second to
save the data to memory. (→ pg. 12)
In the Compressor Mode, this knob is used to set the compressor thresh-
old (THRSLD). (→ pg. 14)
! Display
Displays information such as parameter values, etc.
u Master Volume (MASTER)
Adjusts the overall volume of the sound created with the Gain and Tone
Control settings. Adjusts the preamplifier’s output level.
! Function Switch (FUNCTION)
* The MASTER volume setting is saved in memory.
This switch is used to select the unit’s operating mode.
In the Equalizer Mode, this knob is used to set the Gain (PEQ G) vol-
ume level of the 1-band graphic equalizer. (→ pg. 14)
In the Compressor Mode, this knob is used to adjust the compressor’s
attack (ATTACK) time. (→ pg. 14)
• Amp Mode (→ pg. 13)
• Equalizer Mode (→ pg. 14)
• Compressor Mode (→ pg. 14)
• Utility Mode (→ pg. 15)
7
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Panel Controls and Connections
Rear Panel
Before making any connections, make sure that the power on
the BBT500 and all other related devices is switched OFF.
Mixer or Additional Amplifier
Save patches to a
Headphones
Use a MIDI controller to select
patch memory
MIDI device
ST
A
TUS
BANK MSB/MAX
DATA/CTRL
BANK LSB/MIN
TOGGLE ON-OFF
/NUMBER OF PGM
DEC INC
±10
/NO /YES
MEMORY
EDIT
PC
EDIT
WRITE
/EXIT
8
.
.
.
Outboard Effects Processor
MIDI OUT
MIDI IN
IN
OUT
!
!
! !
!
!
@
@
@
@
@
Supplied power
cable
@
@
Internal Speaker
Tuner
Clamp Filter (→ pg. 10)
* For U.S. and Canadian
models only
AC Power
@
External Speaker(s)
! Tuner Output (TUNER OUT)
! Headphones Jack (PHONES)
This output jack is used to connect a tuner to the BBT500.
This jack is used to connect a pair of headphones to the unit. It carries
the same signal that is delivered from the LINE OUT jack.Use the LEVEL
control to adjust the volume.
It can also be used to create a bi-amp system. Connect this output jack
to the INPUT jack on another BBT500. (→ pg. 15)
! Effect Loop (FX LOOP)
• Effect Send Jack (SEND)
• Effect Return Jack (RETURN)
! Headphones/Line Out Level Control (LEVEL)
Adjusts the output level of the PHONES jack and the LINE OUT jacks.
(The same setting is applied to both jacks.)
• Effect Loop Level Switch (LEVEL)
! Line Out Jack (UNBALANCED OUT)
! Line Out Jack (BALANCED OUT)
These jacks let you insert an outboard effects processor between the
SEND and RETURN jacks to apply effects to the BBT500’s signal.
Use the Level Switch to match the Input/Output level with the level re-
quired by the outboard effects processor. Use the BLEND control in the
Compressor Mode to adjust the balance level between the outboard
effector’s sound and the sound that is created by the BBT500. (→ pg.
14)
These jacks carry the signal that is selected with the @ Line Out Source
Switch at a line level.
Both unbalanced phone type (+4 dB/10 kΩ) and balanced XLR type
(+4 dB/600 Ω) jacks are provided.
Use the LINE SOURCE switch to select the signal that is sent to the
LINE OUT jack.As the unit is equipped with an output limiter and speaker
simulator (can be switched ON/OFF), and the output level of these jacks
is controlled by the LEVEL control, these jacks can be used to send a
line level signal to a mixing console or an additional amplifier.
8
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Panel Controls and Connections
@ Line Out Source Switch
@ Speaker Jacks (SPEAKER 1, 2 (EXT))
Two Speaker Jacks are provided for connecting speaker systems.
The amp’s internal speaker (4 Ω) is connected to the SPEAKER 1 jack.
The SPEAKER 2 (EXT) jack can be used to add an external speaker(s).
Also, if necessary, you can disconnect the internal speaker to connect 2
external speakers directly to the amp.
(LINE SOURCE:THRU/PRE EQ/POST EQ)
This switch is used to select the signal that is delivered from the LINE
OUT jack.
THRU ........... Delivers the signal received via the INPUT jack without
alteration.
The two speaker jacks are connected in parallel. When external speak-
ers are used, make sure the speakers meet the following requirements.
● When using a single SPEAKER Jack (1 or 2)
Please use a system that complies with one of the following re-
quirements.
Select this setting when connecting to a DI (Direct In-
jection) box.
PRE EQ ....... Delivers the signal before it has been processed by the
tone controls (the Sound Type is active).
This setting can be used when separate EQ settings
are required for speaker and line outputs.
POST EQ ..... Delivers the signal after it has been processed by the
tone controls.
• The total impedance* of the circuit should never be less than 2Ω.
• A 2Ω speaker system must have a power handling capability of
500W or greater.
This setting can be used when you want the line signal
processed with the same EQ setting as the speaker.
• A 4Ω speaker system must have a power handling capability of
250W or greater.
* The FX LOOP is active on both PRE EQ and POST EQ signals.
• An 8Ω speaker system must have a power handling capability of
125W or greater.
@ Speaker Simulator Switch (SP SIM: OFF/LINE/ON)
This switch is used to switch the Speaker Simulator circuit ON/OFF.
When the Speaker Simulator is activated, this special circuit adds the
live characteristics of a speaker to the line out signal and headphones
output. This feature is also effective when you want to produce a dis-
torted sound with the tweeter level raised.
● When using both SPEAKER Jacks (1 & 2)
Please use a system that complies with one of the following re-
quirements.
• The total impedance* of the circuit should never be less than 2Ω.
• A 4Ω speaker system must have a power handling capability of
250W or greater.
The sound created with the Speaker Simulator is optimized to compli-
ment the selected Sound Type.
• An 8Ω speaker system must have a power handling capability of
125W or greater.
OFF .............. Deactivates the Speaker Simulator on LINE OUT,
SPEAKER, and PHONES jack signals.
To obtain optimum performance from the amplifier, we recommend con-
necting the internal speaker to the SPEAKER 2 jack, and using the
SPEAKER 1 jack to connect an external speaker (set) with a 4Ω imped-
ance and power handling capacity of 250W or greater.
LINE ............. Activates the Speaker Simulator on LINE OUT, and
PHONES jack signals only.
ON................ Activates the Speaker Simulator on LINE OUT,
SPEAKER, and PHONES jack signals.
* See page 10 for more information on total speaker impedance.
* The Speaker Simulator can only be applied to the LINE OUT jack output
* For U.S. and Canadian models only
when the @ Line Out Source Switch is set to “POST EQ”.
To protect against electromagnetic waves, attach the sup-
plied Clamp Filters to the cables connecting the amplifier’s
SPEAKER 1, 2 (EXT) jacks to the speakers. (→ pg. 10)
@ Output Limiter Switch (OUTPUT LIMITER:ON/OFF)
This switch is used to switch the Output Limiter circuit ON/OFF.
When set to the ON position, the limiter suppresses the signal if it ex-
ceeds the threshold before sending it to the SPEAKER jack and LINE
OUT jack.
@ Tweeter Level Control (TWEETER LEVEL)
This controls the built-in tweeter speaker’s output level (mainly high fre-
quencies above 4 kHz).
OFF .............. Deactivates the Limiter on both LINE OUT and SPEAKER
jack signals.
@ Power Connector (AC IN)
Connect the supplied power cable to this terminal to supply the unit with
ON................ Activates the Limiter on both LINE OUT and SPEAKER
jack signals.
power from an AC power outlet.
@ MIDI OUT Jack
When connecting the power cable, make sure the
amplifier’s POWER switch is turned OFF.
Connect this jack to the MIDI IN jack on an external MIDI device that
can save MIDI data (such as a MIDI data filer, etc.), and save patch data
from the BBT500 to an external device. (→ pg. 17: MIDI Bulk Out)
Also, when MIDI Merge is set ON, MIDI data received from an external
MIDI device via the MIDI IN jack is transmitted from the MIDI OUT jack
without alteration. (→ pg. 17)
@ MIDI IN Jack
Connect this jack to the MIDI OUT jack on MIDI Foot Controller, etc., to
select patches, control volume, etc., with the MIDI Foot Controller. (→
pg. 16)
Also, patches that have been saved to an external MIDI device can be
loaded into the BBT500’s internal memory. (→ pg. 17: MIDI Bulk IN)
9
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Panel Controls and Connections
* Total Impedance
Whenever two or more speaker cabinets are connected to the unit, consideration must be given to the total impedance of the
speaker system.
Normally, a speaker cabinet has an impedance of 4, 8 or 16Ω. But when two or more speaker cabinets are used together, the total
impedance will change according to the manner in which the cabinets are connected.
● Connecting in a Series
Total impedance = 1st Speaker + 2nd Speaker + 3rd Speaker …
As the BBT500-115’s and BBT500-110’s two speaker jacks are
Connecting three 4Ω speaker cabinets in a series as shown below,
results in a total impedance of 12Ω.
connected in a parallel circuit inside of the amplifier, adding a 4Ω
external speaker to the 4Ω internal speaker will result in a total
impedance of 2Ω. So in order to maintain a minimum impedance of
2Ω, an external speaker with an impedance of 4Ω or greater must
be used.
● Connected in Parallel
Total impedance =
Connecting three 4Ω speaker cabinets in a parallel configuration
as shown below, results in a total impedance of about 1.3Ω.
4
4
4
External Speaker
Internal Speaker
Greater than 4 Ω
4 Ω
● Attaching the Clamp Filter (For U.S. and Canadian models only)
To protect against electromagnetic waves, attach the supplied Clamp Filter to the cable connecting the bass guitar to the amplifier’s
INPUT jack, and to the cable connecting the amplifier to an external speaker.
* The cable connecting the internal speaker (SPEAKER 1 jack) is fitted with a Clamp Filter at the factory.
* When attaching the clamp filter, wrap the cable once around the clamp filter as close to the BBT500 unit as possible.
Cable
Clamp Filter
Clamp Filter
10
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Operating Instructions
Sound Setting
Getting sound output
When the power is switched ON, all control knobs function as labeled
on the panel and described below. All lamps on the display above the
control knobs and switches are unlit.
1
2
First, make sure that the POWER switch is switched OFF, then
connect your bass to the INPUT Jack on the front panel.
Rotate the OUTPUT knob fully to the left and then switch the
POWER switch ON.
Rotate the SOUND TYPE knob to select a sound type, then use the
Tone Control knobs to shape the sound. Before selecting a sound type,
first set the GAIN through TREBLE control knobs to their center posi-
tions then try out the different Sound Types.
To protect the speakers, make sure that the
OUTPUT knob is set to “0” whenever switch-
ing the POWER switch ON or OFF.
Also, the COMP knob is used to adjust the compressor’s compression
ratio. The compressor automatically balances the differences between
loud and soft levels when playing. Rotate the knob to the right to in-
crease the amount of compression.
3
4
First, set the INPUT LEVEL knob to its 12 O’clock position, then
while playing the bass, gradually increase the GAIN, MASTER,
and OUTPUT knobs to adjust the sound.
Once the system is producing sound, set the input level as
described in the “Adjusting the Input Level” section below.
q
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!
q INPUT LEVEL: Sets the Input Level
w SOUND TYPE: Selects the Sound Type (11 types)
Adjusting the Input Level
FLAT ............A clean tone with all frequencies set flat.This setting also
works well with an upright bass or an electric-acoustic bass.
TUBE........... A clear and warm tube type sound.This setting also works
well with an upright bass or an electric-acoustic bass.
SOLID ......... A fat solid-state type sound
The INPUT LEVEL control optimizes the signal received from the bass
for use with the amplifier, to produce wide dynamic range and rich tone.
A poorly adjusted level results in noise, feedback, a cutup sound, etc.
R & B ........... A fat R & B type sound
* Since output levels vary from instrument to instrument, you will need to
readjust the input level to match the instrument’s output level whenever
you change instruments.
VINTAGE ..... A vintage tone with warm mid frequencies
MODERN .... A modern sound with rich low-end and bright high-end
CLASSIC ..... Rock bass sound
HEAVY ........ A heavier sound than the CLASSIC setting
DRIVE ......... Overdrive bass sound
DIST ............Distortion bass sound
1
2
Rotate the volume control on your bass to its maximum level
and play loudly while rotating the INPUT LEVEL knob.
An ideal level is attained when the green indicator is lit.
FUZZ ........... Fuzz bass sound
e COMP: Compression Ratio (1.0 to ∞, 16 steps)
This adjusts the compressor’s compression ratio and output levels simul-
taneously.
As the value increases, so does the amount of compression applied to
signals that exceed the threshold level (→ pg. 14).
Continue to rotate the INPUT LEVEL knob to the right making
sure the red indicator does not light. As long as the red indica-
tor does not light, rotate the knob fully to the right.
r GAIN: Pre-Amp Gain (0 to 10, 0.1 step)
t MASTER: Master Volume (0 to 10, 0.1 step)
Set the knob so that the red
indicator does not light.
y BASS: Bass Frequency (-15dB to +15dB, 0.2dB step)
u LOW MID: Low Mid Frequency (-15dB to +15dB, 0.2dB step)
i MIDDLE: Middle Frequency (-15dB to +15dB, 0.2dB step)
o HIGH MID: High mid Frequency (-15dB to +15dB, 0.2dB step)
! TREBLE: Treble Frequency (-15dB to +15dB, 0.2dB step)
! OUTPUT: Sets the output level
HINT Using the OUTPUT and MASTER Controls
Both knobs can be used to control the overall volume however, the
MASTER knob is the preamplifier’s master volume and its setting is
saved in memory. The OUTPUT knob is the power amplifier’s output
volume and its setting is not saved in memory. Use the MASTER knob
to set individual volume settings of patches saved to memory, and use
the OUTPUT knob to set the output volume level produced by the speak-
ers.
11
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Operating Instructions
Storing and Recalling Patches
However, if the value set in the patch is different than the knob’s actual
position, the patch’s value will flash in the display but it will not change,
nor will the sound, even though you are turning the knob. For more infor-
mation on this situation, refer to the “Knob Position and Settings” sec-
tion below.
After creating a sound that you like, you can store its settings in the
unit’s internal memory. Sound setting data (individual knob settings) is
called a Patch. Saving a patch to the unit’s internal memory is called
Store.
The BBT500 provides five memory locations for storing patch data.
Patch data in the memory is stored even when the power is switched
OFF, and can be recalled at any time by pressing the patch’s corre-
sponding switch.Take note that unless the changes are saved to memory,
any changes made to the patch will be lost when another patch is se-
lected or when the power is switched OFF.
● Knob Position and Settings
When a patch is recalled from memory, etc., it may be that the
knob’s actual position differs from the value set in the recalled
patch.
Storing a Patch
In this case, the BBT500 is programmed to flash the patch’s
value on the display without changing it or the sound until the
knob’s position corresponds to the value in the recalled patch
setting.
After creating a sound you want to keep for later use, press and hold
any one of the Memory Switches (1-5) until all of the front panel indica-
tors light.
If the display flashes when rotating the knob, continue rotating
the knob until its position matches the flashing value.When the
position and value match, the value will stop flashing on the
display and change as the knob is turned.
Ex.) Press and hold Memory Switch [1] until all indicators light.
Ex.) If the GAIN knob is pointing at the “3 o’clock” posi-
tion and a patch with a GAIN setting of 4.0 is recalled.
* INPUT LEVEL and OUTPUT LEVEL settings are not stored in memory.
Recalling a Patch
To use one of the patches stored in memory, just press the Memory
Switch [1]-[5] to which the data is stored.
As the knob goes past the “11
o’clock” position and its position
matches that of the value, the
value will then stop flashing and
start changing according to the
knob’s position.
The value “4.0”flashes on the display
but rotating the knob from the “3
o’clock” position to the “11 o’clock”
position does not change anything.
The indicator of the selected Memory Switch lights.
Ex.) Recalling the patch stored to Memory Switch [2].
● The Useful “Undo” Function
After you recall or store a patch, the value for each knob will appear in
the display when the knob (COMP - TREBLE) is used.
Press and hold the [MANUAL] switch activates the “Undo” func-
tion, which returns settings to the condition they were in prior to
pressing a Memory Switch [1]-[5] or the [MANUAL] switch.
This function is useful in cases such as:
Setting Value
You’ve just made some changes to the patch saved in Memory
Switch [1] but pressed Memory Switch [2] before you could save
the changes to memory. Press and hold the [MANUAL] switch to
return the settings to the same condition they were in before you
pressed Memory Switch [2].
In the same manner, you made some changes to a patch but
pressed the [MANUAL] switch before you could save those
changes to memory. Press and hold the [MANUAL] button to re-
store your changes.
12
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Detailed Parameter Settings
The BBT500 also features more precise settings for defining the fre-
quencies for each of the Tone Control knobs, operating the Compressor
and Noise Gate, or setting the Blend Level of the effect loop, etc.
To access these settings, press the [FUNCTION] switch and use the
four Modes described below.
Amp Mode
Each knob functions in the manner it is labeled on the panel.
In the Amp Mode, the knob’s value (or patch’s setting value) is shown
on the display when the knob is turned.
* After the BBT500’s power is switched ON or the [MANUAL] switch is
pressed, nothing is shown in the display until a Memory is recalled, or a
mode other than the Amp Mode is selected.
• Amp Mode
In this mode, each knob functions in the manner it is labeled on the
front panel.
Enter the Amp Mode using one of the following methods.
• Equalizer Mode
• The Amp Mode is the default mode when the BBT500’s power is
switched ON.
This mode is used to set the 1-band parametric equalizer and the
center frequency for each of the Tone Controls (Bass – Treble).
• Press the [MANUAL] Switch to enter the Amp Mode.
• Compressor Mode
This mode is used to set the Compressor’s blend level, noise gate
level, and effect loop.
• Press a Memory Switch [1] – [5] to recall a patch. Or, press and
hold a Memory Switch to save a patch to memory.
• Utility Mode
• In the Equalizer, Compressor, or Utility Mode, press the [FUNC-
TION] switch.
This mode is used to set the crossover filter, and individual MIDI
settings.
Individual settings in the Amp Mode, Equalizer Mode, and Compressor
Mode are saved when patch data is saved to the unit’s memory.
Individual parameter settings in the Equalizer Mode and Compressor
Mode are set to their default values when the power is switched ON.
Individual settings in the Utility Mode are saved when exiting the Utility
Mode, and they are retained even if the power is switched OFF.
● How Knobs Function in the Amp Mode
The knob’s value is shown on the display
when the knob is turned.
q
w
e
r t
y
u
i o
!
!
Each control knob’s function in the Amp Mode is the same as de-
scribed in the “Sound Setting” section (→ pg. 11).
q INPUT LEVEL: Sets the Input Level
w SOUND TYPE: Selects the Sound Type (11 types)
e COMP: Compression Ratio (1.0 to ∞, 16 steps)
r GAIN: Pre-Amp Gain (0 to 10, 0.1 step)
t MASTER: Master Volume (0 to 10, 0.1 step)
y BASS: Bass Frequency (-15dB to +15dB, 0.2dB step)
u LOW MID: Low Mid Frequency (-15dB to +15dB, 0.2dB step)
i MIDDLE: Middle Frequency (-15dB to +15dB, 0.2dB step)
o HIGH MID: High mid Frequency (-15dB to +15dB, 0.2dB step)
! TREBLE: Treble Frequency (-15dB to +15dB, 0.2dB step)
! OUTPUT: Sets the output level
13
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Detailed Parameter Settings
Equalizer Mode
Compressor Mode
The Equalizer mode lets you make settings for the internal 1-Band Para-
metric Equalizer, and set the center frequency (or in the case of the
TREBLE control knob, its cutoff frequency) for each of the panel’s Tone
Controls (BASS – TREBLE) in the internal five-band equalizer.
The Compressor Mode provides settings for the Compressor, Noise Gate,
and Blend Level for the effect loop.
To enter the Compressor Mode, press and hold the [FUNCTION] switch
until the knob functions are displayed in the upper row of the panel dis-
play above the knobs (the row above that used by the Equalizer Mode).
To enter the Equalizer mode, press the [FUNCTION] switch. Knob func-
tions are displayed in the bottom row of the panel display above the
knobs.
● How Knobs Function in the Compressor
Mode
● How Knobs Function in the Equalizer Mode
The knob’s value is shown on the
display when the knob is turned.
The function of each knob is
displayed here.
The knob’s value is shown on the
display when the knob is turned.
The function of each knob is
displayed here.
q
w
e
r t
y
u
i o
!
!
q
w
e
r t
y
u
i o
!
!
q INPUT LEVEL: Sets the Input Level
w SOUND TYPE: No function.
q INPUT LEVEL: Sets the Input Level
w SOUND TYPE: No function.
e COMP (RATIO): Compression ratio (1.0 - ∞, 16 steps) *operates the same
e COMP (PEQ F): Sets the center frequency of the 1-band parametric equal-
as COMP in the Amp Mode.
izer (20Hz to 20.0kHz, 255 steps)
r GAIN (THRSLD): Compressor threshold level (-54dB to 0dB, 1dB step)
Sets the signal level from which the compressor will activate. Compres-
sion is applied to signals that exceed this level.
r GAIN (PEQ Q): Sets the bandwidth of the 1-band parametric equalizer.
(0.1 to 20.0, 255 steps)
t MASTER (PEQ G): Sets the gain level of the 1-band parametric equal-
izer. (-15dB to +15dB, 0.2dB step)
t MASTER (ATTACK): Compressor attack time (0msec to 120msec, 1msec
step).
Sets the amount of time required for application of the compressor from
the time the signal exceeds the threshold.When a slow attack time is set,
the beginning of the attack will not be compressed.
y BASS (FREQ): Sets the center frequency of the BASS control knob.(20Hz
to 320Hz, 255 steps)
u LOW MID (FREQ): Sets the center frequency of the LOW MID control
y BASS (RELEASE): Compressor release time (5msec to 42.3 sec, 160
steps).
Sets the amount of time required for the compressor to switch off after the
signal goes below the threshold level. This smoothes gain changes to
keep the sound natural.
knob. (80Hz to 1.28kHz, 255 steps)
i MIDDLE (FREQ): Sets the center frequency of the MIDDLE control knob.
(250Hz to 4.00kHz, 255 steps)
o HIGH MID (FREQ): Sets center frequency of the HIGH MID control knob.
(500Hz to 8.00kHz, 255 steps)
u LOW MID (C. GAIN): Compressor gain (0dB to 18dB, 0.1dB step)
This parameter works in conjunction with the compressor ratio setting
which is set with the e COMP (RATIO) control knob. In other words, gain
is automatically adjusted along with amount of compression applied to
the signal. If the Ratio = “1.0”, Gain = “0”. If the Ratio = “∞”, Gain = the
setting determined with the control knob.
! TREBLE (FREQ): Sets the center/cutoff frequency of the TREBLE con-
trol knob. (1.25kHz to 20.0kHz, 255 steps)
! OUTPUT: Sets the output level
i MIDDLE (KNEE): Compressor knee (Hd (Hard), 1, 2, 3, 4, 5)
Sets the depth of signal compression after the input signal exceeds the
threshold level. When set to Hd (hard), compression starts soon with the
ratio you have set. However, when set to 1-5, compression startup is
gradual, creating a more natural sound (soft knee compression).
r PEQ Q
+
0.1
20
Frequency
0
o HIGH MID (N. GATE): Noise gate threshold level (OFF, -53dB to 0dB,
1dB step)
When the input signal’s level falls below this set level, the noise gate acti-
vates cutting off the signal.
–
! TREBLE (BLEND): Blend level between the effect loop’s RETURN signal
and the dry signal (the sound created in the BBT500) (0% (Return 0%,
Dry 100%) to 100% (Return 100%, Dry 0%)).
e PEQ F
! OUTPUT: Sets the output level
14
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Detailed Parameter Settings
Utility Mode
Crossover Filter
The Utility Mode provides settings for the Crossover Filter and MIDI.
These settings are saved internally when you exit the Utility Mode and
kept even when the amplifier’s power is switched OFF.
By connecting two BBT500s as shown in the illustration below, you can
create a bi-amplified system, where one amplifier is used to drive high
frequencies and a second amplifier drives low. This system uses the
amplifier’s onboard crossover filter (LPF or HPF) to determine the range
of frequencies that each amplifier will deliver.
● Entering the Utility Mode
● Setting the Crossover Filter
To enter the Utility Mode, from any mode press and hold the [FUNC-
TION] switch for more than 3 seconds, until “utL” appears on the dis-
play.
1
2
Press and hold the [FUNCTION] switch for more than three sec-
onds (until “utL” appears on the display) to enter the Utility
Mode.
Rotate the COMP knob to set the Crossover filter’s cutoff fre-
quency.
* Range of cutoff frequency
L10 (LPF 100Hz) to L00 (LPF 1000Hz), byP (Bypass),
h10 (HPF 100Hz) to h00 (HPF 1000Hz), 93 steps
When using a bi-amplified system, make sure
that the INPUT LEVEL control knob on the
second BBT500 is set to its minimum level.
● How Knobs Function in the Utility Mode
Ex.) Operating a bi-amplified system in which the crossover fil-
ter on the first amplifier is set to h50 (HPF 500Hz) to pro-
duce high frequencies, and the crossover filter on the sec-
ond amplifier is set to L50 (LPF 500Hz) to produce low fre-
quencies.
In the Utility Mode, only the INPUT LEVEL, OUTPUT, and COMP knobs
function.All other knobs (SOUNDTYPE, GAIN -TREBLE) have no func-
tion.
•
•
•
INPUT LEVEL: Sets the Input Level
OUTPUT: Sets the output level
COMP: Sets the cut off frequency of the crossover filter
First amplifier (HPF 500Hz)
When the COMP knob is used (when setting the crossover filter), the
setting’s value is shown in the display. Other than that, only utL ap-
pears on the display.
Use the [MANUAL] switch and Memory Switches [1] through [5] to set
individual MIDI settings. (→ [MIDI Settings] pg. 16)
TUNER
OUT
INPUT
Bass
* Set to“h50” with
the COMP control
knob
When the COMP knob is used (when
setting the crossover filter), the setting’s
Individual MIDI
value is shown in the display. Other than
Settings
that, only utL appears on the display.
Produces
higher
frequencies
above 500Hz
Second amplifier (LPF500Hz)
INPUT
q
w
e
* Set the INPUT LEVEL
to its minimum level
* Set to“L50” with the
COMP control knob
Produces
low
frequencies
up to 500Hz
15
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Detailed Parameter Settings
MIDI Settings
The BBT500 is MIDI* compatible and equipped with MIDI IN and MIDI
OUT jacks.
* What is MIDI?
The acronym for Musical Instruments Digital Interface, MIDI is a world-
wide standard communication interface that allows MIDI compatible mu-
sical instruments, computers, and other MIDI devices to share musical
information and control one another regardless of instrument type or
maker.
3
Create a Program Change Map*.
(Default → Program Change No: Memory No = 1:1, 2:2, 3:3, 4:4,
5:5, 6:1, 7:2, 8:3 …)
* What is a Program Change Map?
A Program Change Map assigns a program change number (re-
ceived via MIDI) to a memory number. For example, when the
BBT500 receives “Program Change Number 1” from an external
MIDI device, it will recall memory number “3”. This is also called a
Program Change Table.
With MIDI functions you can do things like select a patch from the
BBT500’s memory using an external MIDI device like the MFC10Yamaha
MIDI Foot Controller, etc.You can also backup data by sending the con-
tents in the unit’s memory to a device that is capable of saving MIDI
data (Yamaha MDF3, etc.).
3-1 Press and hold the [FUNCTION] switch for more than 3 sec-
onds (until“utL” appears on the display) to enter the Utility
Mode.
● Selecting a Patch with MIDI
3-2 While holding the [MANUAL] switch, press Memory Switch [1].
The currently assigned MIDI program change number appears
on the display (after a few seconds, the display will return to
“utL”).
1
Using a MIDI cable, connect the MIDI IN jack on the BBT500 to
the MIDI OUT jack on the external MIDI device.
* Use only a standard MIDI cable that is less than 15 meters in length. Use
of a longer cable can result in trouble such as abnormal operation, etc.
Receive Program
Change Number
MIDI Cable
BBT500
Rear Panel
MIDI OUT
ST
A
TUS
BANK MSB/MAX
DATA/CTRL
BANK LSB/MIN
TOGGLE ON-OFF
/NUMBER OF PGM
MIDI IN
DEC INC
±10
/NO /YES
MEMORY
EDIT
PC
EDIT
WRITE
/EXIT
8
.
.
.
3-3 Use Memory Switches [1] and [2] to set the program change
number (1-128) that is received by the BBT500.
Use Memory Switch [2] to increase the value and Memory
Switch [1] to decrease the value.
External MIDI Device
3-4 While holding the [MANUAL] switch, press Memory Switch [2].
The memory number that will be recalled when the program
change number that was set in step 3-3, appears on the dis-
play. (After a few seconds, the display will return to “utL”).
2
Set the MIDI receive channel on the BBT500 and the MIDI trans-
mit channel on the external device to the same MIDI channel.
(Default channel: 1)
* MIDI data can not be transmitted or received if the MIDI channels are
not properly matched.
Memory Number
2-1 Press and hold the [FUNCTION] switch for more than three
seconds (until “utL” appears on the display) to enter the
Utility Mode.
2-2 While holding the [MANUAL] switch, press Memory Switch [3].
The currently assigned MIDI receive channel appears on the
display (after a few seconds, the display will return to“utL”).
3-5 Use Memory Switches [1] and [2] to set the memory number
(1-5) that corresponds to the program change number re-
ceived by the BBT500.
MIDI Receive Channel
Uses Memory Switch [2] to increase the value and Memory
Switch [1] to decrease the value.
3-6 If necessary, repeat steps 3-2 through 3-5.
3-7 Press the [FUNCTION] switch to enter the Amp Mode.
4
Now, when a program change number transmitted from an ex-
ternal MIDI device is received by the BBT500, it will recall the
corresponding memory number that is set in the program
change map you just created will be recalled.
2-3 Use Memory Switches [1] and [2] to set the MIDI receive chan-
nel (1-16, ALL, oFF).
Use Memory Switch [2] to increase the value, and Memory
Switch [1] to decrease the value.
* Refer to the Owner’s Manual that came with your MIDI device on how
to receive or transmit program change data.
* “ALL” is set to Omni On. When “oFF” is set, MIDI data will
not be received.
16
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Detailed Parameter Settings
● MIDI Merge Settings
4
5
Use Memory Switches [1] and [2] to set the type of data (1-5,
ALL) to be sent with the Bulk Out operation.
If you want MIDI signals received by the BBT500’s MIDI IN jack transmit-
ted without alteration to other MIDI devices connected to the BBT500’s
MIDI OUT jack, set the MIDI Merge to “on”, if not, set it to “oFF”.
1-5 ...... Sends only the data from the selected memory number.
ALL ..... Sends all data in memory numbers 1-5 and Utility Mode
settings.
1
2
Press and hold the [FUNCTION] switch for more than three sec-
Press Memory Switch [5] to carry out the Bulk Out operation.
While the Bulk Out operation is in progress, all lamps on the
unit will light.
onds (until“utL” appears on the display) to enter the Utility Mode.
While holding the [MANUAL] switch, press Memory Switch [4].
The current MIDI Merge setting appears on the display (after a
few seconds the display will return to “utL”).
* The device number becomes the MIDI receive channel number (→ pg.
16). When the MIDI receive channel is set to “ALL” (Omni ON), the
channel is set to 1.
MIDI Merge Setting
6
Press the [FUNCTION] switch to enter the Amp Mode.
● About MIDI Control Changes
You can control the overall volume of the BBT500 by connect-
ing an external MIDI device’s MIDI OUT jack to the BBT500’s
MIDI IN jack, and transmit Number 7 Control Change Mes-
sages (Main Volume) to the BBT500.
3
4
Use Memory Switches [1] and [2] to set MIDI Merge either“on”
(Memory Switch [2]) or “oFF” (Memory Switch [1]).
Press the [FUNCTION] switch to enter the Amp Mode.
* With the exception of the Number 7 Control Change, the BBT500
does not recognize any other MIDI Control Change messages.
* The Main Volume data will not change, even if a different memory
number is selected.
● MIDI Bulk Out
* When the POWER is switched ON, the Main Volume data is set
to its MAX value.
You can use the MIDI Bulk Out operation to back up data saved in the
BBT500 (data in memory 1-5 and Utility Mode settings) to a device that
can save MIDI data (such as a Yamaha MDF3, etc.).
*
After the Main Volume data is changed, and the external MIDI device
is disconnected, the pre-amp’s volume level may not be sufficient. If
this case occurs, transmit a Control Change with a higher volume
setting again, or switch the POWER OFF and then back ON.
1
Using a MIDI cable, connect the MIDI OUT jack on the BBT500
to the MIDI IN jack on an external MIDI device.
* Use only a standard MIDI cable that is less than 15 meters in length. Use
of a longer cable can result in trouble such as abnormal operation, etc.
● About MIDI Bulk In
Using a MIDI cable, connect the MIDI IN jack on the BBT500 to
the MIDI OUT jack on an external MIDI device to return data
that has been stored on the external device, to the BBT500’s
memory. This operation is referred to as MIDI Bulk In.
MIDI Cable
MIDI IN
BBT500
* The device number becomes the MIDI receive channel number
(→ pg. 15). When the MIDI receive channel is set to “ALL” (Omni
ON), the channel is set to 1. When set to “oFF” (OFF) data will
not be received.
Rear Panel
MIDI OUT
* “Ld” appears on the display while receiving MIDI Bulk data.
● Sending/Receiving MIDI Data Between
External MIDI Device
Two BBT500s
The MIDI Bulk In or MIDI Bulk Out operations can be used to
copy memory or Utility Setup data in one BBT500 to another
BBT500.
2
3
Hold the [FUNCTION] switch for more than three seconds (un-
til “utL” appears on the display) to enter the Utility Mode.
While holding the [MANUAL] switch, press Memory Switch [5].
The type of data to be sent with the Bulk Out operation ap-
pears on the display (after a few seconds the display will re-
turn to“utL”).
● Restoring the Factory Presets
This operation clears the contents
of the BBT500’s memory 1-5 and
restores all parameters to their
factory preset settings.
Type of data to be sent with
the Bulk Out operation.
While holding the [MANUAL]
switch and Memory Switch [5],
switch the POWER switch ON.
17
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Air Flow
The device utilizes a forced air cooling system, which cools the interior of the unit by drawing air through the front intake by the fan, which
push the air out the back.
Front view
Rear view
Cooling fan
Exhaust
Intake
Error Messages
If an error occurs during operation, one of the following error message numbers will appear on the display.
E1: MIDI Receive Buffer Full
CAUSE:
Too much MIDI data is being received by the BBT500 at one time.
SOLUTION:
Try reducing the amount of data being sent or, break the data into smaller blocks.
E2: Communication Error.
CAUSE:
An abnormality is detected during MIDI communications.
SOLUTION:
Check all connections, etc. and try again.
E3: Bulk Receive Check Sum Error.
CAUSE:
The check sum does not match the received MIDI bulk data.
SOLUTION:
Check all connections and data, and try again.
E4: MIDI Receive Data Abnormality.
CAUSE:
An abnormality is detected in the received MIDI data.
SOLUTION:
Check all connections and data, and try again.
Troubleshooting
• No Sound
→ Is the power cord properly connected to the device?
→ Is the volume turned up on the instrument connected to the INPUT jack?
→ Are the INPUT LEVEL, GAIN, MASTER, OUTPUT control knobs set to “0”?
→ Check the Effect Loop’s BLEND setting (Compressor Mode:TREBLE control knob). Unless an external effector is connected
to the device, raising the BLEND control will result in lowering the original sound. If the BLEND control is set to “100”, the
original sound will not be produced.
• Sound output is low
→ Is the volume turned up on the instrument connected to the INPUT jack?
→ Are the INPUT LEVEL, GAIN, MASTER, OUTPUT control knobs turned up?
→ Check the Effect Loop’s BLEND setting (Compressor Mode:TREBLE control knob). Unless an external effector is connected
to the device, raising the BLEND control will result in lowering the original sound. If the BLEND control is set to “100”, the
original sound will not be produced.
→ Check the Compressor setting. A low Threshold setting or a high Ratio setting will result in a lowered the output signal level.
Also, a long release setting or low Compressor Gain setting will result in a lowered output signal level.
18
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Specifications
Power Amplifier Section
Speaker Section
Speaker
Class-D power amplifier circuitry
BBT500-115 : 15” Woofer x1, Tweeter x1
Output 250 W/4Ω (When used alone)
BBT500-110 : 10” Woofer x1, Tweeter x1
500 W/2Ω (Max output with external speaker connected
)
Power Handling
Impedance
250 Wrms
4 Ω
Preamplifier Section
A/D Conversion
All digital signal processing
Sound Type: 11 Presets
24 bit
5-Band Semi Parametric Tone Controls (Variable Frequencies)
Parametric Equalizer (PEQ, F, G, Q)
D/A Conversion
24 bit
Effect Section
Sampling Frequency
Compressor
RATIO, THRSLD, ATTACK, RELEASE,
C. GAIN, KNEE
48 kHz
Limiter
Noise Gate
Crossover Filter
ON/OFF (SPEAKER, LINE OUT)
N. GATE
LPF/HPF, Cutoff Frequency
Input Level/Impedance
INPUT: -37dBm (thru)/1 MΩ
FX LOOP RETURN: -20 dBm/220 kΩ, +4 dBm/220 kΩ
Speaker Simulator ON/LINE/OFF (SPEAKER, LINE OUT)
Output Level/Impedance
Effect Loop
SPEAKER (BRIDGED OUT): 500 Wrms/2 Ω, 250 Wrms/4 Ω
LINE OUT (UNBALANCED OUT): +4 dBm/10 kΩ
LINE OUT (BALANCED OUT): +4 dBm/600 Ω
Monaural Send/Return, Level Switch (-20 dB/+4 dB), Effect
Blend Control
FX LOOP SEND: -20 dBm/100 kΩ, +4 dBm/100 kΩ
User Memory
5 User Memory (Sound Type, Amp Settings, Compressor,
Effect Blend)
Power Requirements
U.S. and Canadian models : 120 V, 60 Hz
General model : 230 V, 50-60 Hz
MIDI Functions
Receive
Transmit
Program Change, Control Change, Bulk In
Bulk Out, Merge Out
Power Consumption
130W
Controllers/Switches
Front Panel
Dimensions (W x H x D)
BBT500-115
Control Knobs x 11, Push Switches x 7
Control Knob x1, Slide Switches x4
Rear Panel
490 x 630 x 328 mm (19-5/16” x 12-15/16” x 24-13/16”)
BBT500-110
Displays
432 x 480 x 301 mm (17” x 11-7/8” x 18-7/8”)
Push Switch LED x5
Sound Type LED x11
7-Segment LED x3 Digit
Input Level LED x2 (Green, Red)
Weight
BBT500-115
U.S. and Canadian models : 23.9 kg (52 lbs. 11 oz)
General model : 24.4 kg (53 lbs. 13 oz)
BBT500-110
Connections
INPUT: Standard Monaural Phone Jack
U.S. and Canadian models : 19.6 kg (43 lbs. 3 oz)
General model : 20.1 kg (44 lbs. 5 oz)
SPEAKER 1, 2 (EXT): Standard Monaural Phone Jack
PHONES: Standard Stereo Phone Jack
LINE OUT (UNBALANCED OUT): Standard Monaural Phone Jack
LINE OUT (BALANCED OUT): XLR Jack
FX LOOP (SEND/RETURN): Standard Monaural Phone Jack
TUNER OUT: Standard Monaural Phone Jack
MIDI IN, MIDI OUT: 5-pin DIN jack
Accessories
Power Cable
Casters x4 (BBT500-115 only)
Owner’s Manual (this booklet)
Patch List
Clamp Filters x2 (U.S. and Canadian models only)
* Design and specifications may change without notice due to improvements.
19
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YAMAHA [ Bass Amplifier ]
Model BBT500 MIDI Implementation Chart
Date:23-Dec-2003
Version : 1.0
+----------------------------------------------------------------------+
:
:
: Transmitted : Recognized : Remarks
Function ... :
:
:
:
:
:-------------------+----------------+----------------+----------------:
:Basic Default : x
:Channel Changed : x
: 1 - 16, off : memorized
: 1 - 16, off :
:
:
:-------------------+----------------+----------------+----------------:
:
Default : x
Messages : x
Altered : ************** : x
: 1,3
: x
: memorized
:
:
:
:
:
:Mode
:
:-------------------+----------------+----------------+----------------:
:Note
: x
: x
:
:
:
:
:Number : True voice: ************** : x
:-------------------+----------------+----------------+----------------:
:Velocity Note ON : x
Note OFF : x
: x
: x
:
:
:
:
:
:-------------------+----------------+----------------+----------------:
:After Key's
:Touch Ch's
: x
: x
: x
: x
:
:
:
:
:-------------------+----------------+----------------+----------------:
:Pitch Bender : x : x
:
:
:-------------------+----------------+----------------+----------------:
:
0 - 6 : x
: x
: o
: x
:
:
:
:
7 : x
: Main Volume :
:
:
8 - 127 : x
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
: Control
:
:
:
: Change
:
:
:
:
:
:
:
:
:
:
:
:
:
:-------------------+----------------+----------------+----------------:
:Prog
: x
: o 0 - 127
: Program Change :
: Number 1-128 :
:Change : True # : ************** :
:-------------------+----------------+----------------+----------------:
:System Exclusive : o : o : Bulk Dump
:-------------------+----------------+----------------+----------------:
:
:System : Song Pos. : x
: Song Sel. : x
:common : Tune : x
: x
: x
: x
:
:
:
:
:
:
:
:-------------------+----------------+----------------+----------------:
:System :Clock : x
:Real Time :Commands: x
: x
: x
:
:
:
:
:-------------------+----------------+----------------+----------------:
:Aux :All Sound OFF: x
: x
: x
: x
: x
: x
: x
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:Reset All Cntrls : x
:Local ON/OFF : x
:All Notes OFF: x
:Mes- :Active Sense : o
:sages:Reset : x
:-------------------+----------------+----------------+----------------:
:
:
:
:
+-------------------+----------------+----------------+----------------+
Mode 1 : OMNI ON, POLY Mode 2 : OMNI ON, MONO
Mode 3 : OMNI OFF, POLY Mode 4 : OMNI OFF, MONO
o : Yes
x : No
95
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WD59190
Printed in China
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