AX-10
Natural Sound Stereo Integrated Amplifier
Préampli/ampli de puissance stéréo de la série “Natural Sound”
Natural Sound Stereo-Verstärker
Natural Sound Integrerad Stereo Förstärkare
Amplificatore integrato stereo a Suono Naturale
Amplificador integrado estéreo de Sonido Natural
Natural Sound Geïntegreerde Stereo Versterker
OWNER’S MANUAL
MODE D’EMPLOI
BEDIENUNGSANLEITUNG
BRUKSANVISNING
MANUALE DI ISTRUZIONI
MANUAL DE INSTRUCCIONES
GEBRUIKSAANWIJZING
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Thank you for selecting this YAMAHA stereo amplifier.
FEATURES
CONTENTS
●
70W + 70W (8Ω) RMS Output Power,
0.03% THD, 20–20,000 Hz
High Dynamic Power, Low Impedance Drive
Capability
PURE DIRECT Switch to Reproduce the Purest
Source Sound
PRE OUT/MAIN IN Terminals Useful for Connecting
An Equalizer, Sound Processor, etc.
Remote Control Capability
Supplied Accessories .....................................................2
Caution ...........................................................................3
Connections ...................................................................4
Operations ......................................................................6
Remote Control Transmitter ...........................................9
Notes about the Remote Control Transmitter .........................10
Troubleshooting ............................................................11
Specifications ...............................................................12
●
●
●
●
CAUTION: READ THIS BEFORE OPERATINGYOUR UNIT.
1. To assure the finest performance, please read this manual
IMPORTANT
carefully. Keep it in a safe place for future reference.
Please record the serial number of this unit in the space below.
2. Install this unit in a cool, dry, clean place – away from windows,
heat sources, sources of excessive vibration, dust, moisture and
cold. Avoid sources of humming (transformers, motors). To
prevent fire or electrical shock, do not expose the unit to rain or
water.
Serial No.:
The serial number is located on the rear of the unit.
Retain this Owner’s Manual in a safe place for future reference.
WARNING
3. Never open the cabinet. If something drops into the set, contact
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO
NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
your dealer.
4. Do not use force on switches, controls or connection wires. When
moving the unit, first disconnect the power plug and the wires
connected to other equipment. Never pull the wires themselves.
CAUTION (FOR CANADA MODEL)
TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF
PLUG TO WIDE SLOT AND FULLY INSERT.
5. The openings on the cabinet assure proper ventilation of the unit.
If these openings are obstructed, the temperature inside the
cabinet will rise rapidly and eventually damage the circuits.
Therefore, avoid placing objects against these openings and do
not install the unit where the flow of air through the ventilation
openings could be impeded.
FOR CANADIAN CUSTOMER
THIS DIGITAL APPARATUS DOES NOT EXCEED THE “CLASS B”
LIMITS FOR RADIO NOISE EMISSIONS FROM DIGITAL
APPARATUS SET OUT IN THE RADIO INTERFERENCE
REGULATION OF THE CANADIAN DEPARTMENT OF
COMMUNICATIONS.
6. Always set the VOLUME control to “0” before starting the audio
source play: increase the volume gradually to an appropriate level
after the play has been started.
For U.K. customers
If the socket outlets in the home are not suitable for the plug
supplied with this appliance, it should be cut off and an
appropriate 3 pin plug fitted. For details, refer to the
instructions described below.
7. Do not attempt to clean the unit with chemical solvents; this might
damage the finish. Use a clean, dry cloth.
8. Be sure to read the “TROUBLESHOOTING” section regarding
Note: The plug severed from the mains lead must be
destroyed, as a plug with bared flexible cord is hazardous if
engaged in a live socket outlet.
common operating errors before concluding that the unit is faulty.
9. When not planning to use this unit for long periods of time
(ie., vacation, etc.), disconnect the AC power plug from the
wall outlet.
SPECIAL INSTRUCTIONS FOR U.K. MODEL
IMPORTANT:
10. To prevent lightning damage, disconnect the AC power plug and
The wire in the mains lead are coloured in accordance with
the following code:
disconnect the antenna cable when there is an electrical storm.
11. Grounding or polarization – Precautions should be taken so that
Blue: NEUTRAL
Brown: LIVE
the grounding or polarization of an appliance is not defeated.
12. AC outlet
The colours of the wires in the mains lead of this apparatus
may not correspond with the coloured markings identifying
the terminals in your plug. Proceed as follows: the wire
which is coloured BLUE must be connected to the terminal
which is marked with the letter N or coloured BLACK. The
wire which is coloured BROWN must be connected to the
terminal which is marked with the letter L or coloured RED.
Making sure that neither core is connected to the earth
terminal of the three pin plug.
Do not connect audio equipment to the AC outlet on the rear panel
if that equipment requires more power than the outlet is rated to
provide.
13. Voltage Selector (General Model only)
The voltage selector on the rear panel of this unit must be set
for your local main voltage BEFORE plugging into the AC
main supply.
Voltages are 110/120/220/240V AC, 50/60 Hz.
The apparatus is not disconnected from the AC power
source as long as it is connected to the wall outlet, even if
the apparatus itself is turned off.
3
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CONNECTIONS
●
●
Before attempting to make any connections to or from this unit, be sure to first switch OFF the power to this unit and to any other
components to which connections are being made.
When making connections between this unit and other components, be sure all connections are made correctly, that is to say L
(left) to L, R (right) to R, “+” to “+” and “–” to “–”. Also, refer to the owner’s manual for each component to be connected to this
unit.
* For a system connection with YAMAHA CDX-10, TX-10 and KX-10, connections can be made easily by making sure to connect
the output (or input) terminals of each component to the same-numbered terminals of this unit.
Speakers A
Turntable
Left
Right
Video cassette player,
LD player, etc.
Compact disc player
AUDIO OUT
(Europe model)
GND
1
R
L
CD
AUX
L
R
SPEAKERS
3
PHONO
L
R
+
+
TAPE
PB
TAPE 1
REC
2
A
B
OUT
TUNER
AC OUTLETS
4
SWITCHED
l00W MAX. TOTAL
PRE
OUT
TAPE
PB
TAPE 2
MAIN
IN
REC
OUT
A OR B : 6ΩMIN./SPEAKER A + B : l2ΩMIN./SPEAKER
COUPLER
To AC outlet
Right
Left
Tape deck 2
Tape deck 1
Tuner
Speakers B
*
: Refer to “ABOUT THE ACCESSORY
TERMINALS” on page 5.
4
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CONNECTING SPEAKERS
Connect the SPEAKERS terminals to your speakers with wire
of the proper gauge, cut as short as possible. If the
How to Connect:
connections are faulty, no sound will be heard from the
speakers. Make sure that the polarity of the speaker wires is
correct, that is, + and – markings are observed. If these wires
are reversed, the sound will be unnatural and will lack bass.
Do not let the bare speaker wires touch each other and do
not let them touch the metal parts of this unit as this could
damage this unit and/or speakers.
Red: positive (+)
Black: negative (–)
Unscrew the knob.
Insert the bare wire.
[Remove approx. 5mm
(1/4”) insulation from
the speaker wires.]
Tighten the knob and
secure the wire.
➀
➁
●
2
One or two speaker systems can be connected to this unit.
If you connect only one speaker system, connect it to either
1
the SPEAKERS A or B terminals.
Use speakers with the specified impedance shown on the
➂
●
rear of this unit.
3
ABOUT THE ACCESSORY TERMINALS
AC OUTLETS (SWITCHED)
PRE OUT/MAIN IN terminals
Use these to connect the power cords from your components
to this unit.
Removing the jumper pins enables this unit to independently
perform the functions of a control amplifier and a power
amplifier. These terminals are for connection of a signal-
processing system such as a graphic equalizer or sound
processor.
The power to the SWITCHED outlets is controlled by this unit’s
POWER switch or the provided remote control transmitter’s
POWER key. These outlets will supply power to any
component whenever this unit is turned on.
The maximum power (total power consumption of
components) that can be connected to the SWITCHED AC
OUTLETS is 100 watts.
If a sound processor or other external unit is connected
between these terminals, the VOLUME control of this unit can
be used for overall adjustment of the level of sound. To
connect such a unit, remove the jumper pins from the PRE
OUT/MAIN IN terminals, connect the inputs of that unit to the
PRE OUT terminals and its outputs to the MAIN IN terminals.
For details, refer to the owner’s manual included with the unit
to be connected.
GND terminal (For turntable use)
Connecting the ground wire of the turntable to this terminal will
normally minimize hum, but in some cases better results may
be obtained with the ground wire disconnected.
PRE
OUT
MAIN
IN
COUPLER
Notes
●
If you will not use the PRE OUT/MAIN IN terminals, never
remove the jumper pins from these terminals. If removed,
no sound will be output from this unit.
If you will use this unit with an external unit connected
●
between the PRE OUT and MAIN IN terminals, make sure
that the PURE DIRECT switch on the front panel is turned
off.
●
If you will use this unit as a power amplifier, connect the
outputs of an external control amplifier etc. to this unit’s
MAIN IN terminals. In that case, this unit’s controls will not
function except the PHONES jack and the SPEAKERS
switches, so use the controls on the external control
amplifier to make volume adjustment etc.
5
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OPERATIONS
2
3 1, 6
4
7
TO PLAY A SOURCE
Select the speakers to be used.
VOLUME
1
4
SPEAKERS
A
ON
B
ON
FF
OFF
0
l0
Set to the “0” position.
If you use two speaker systems, press both the A and B
switches.
*
2
3
POWER
POWER
Play the source.
5
6
Lights up.
VOLUME
Select a desired input source.
INPUT
CD
TAPE 1
TAPE 2
TUNER
PHONO
0
l0
AUX
Adjust to the desired output level.
If desired, adjust the BASS, TREBLE and BALANCE
controls or turn on the PURE DIRECT switch. (Refer to
page 8.)
7
To turn off the power
Press the POWER switch again.
6
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3, 5 3
1
TO RECORD A SOURCE TO TAPE (OR DUB FROM A TAPE TO ANOTHER)
Select the source to be recorded.
1
4
Set the tape deck to be used for recording in the
recording mode.
REC OUT
CD
5
To monitor the sound to be recorded, select the tape
deck being used for recording with the INPUT selector.
TAPE 1
TAPE 2
TUNER
PHONO
AUX
INPUT
CD
TAPE 1
TAPE 2
TUNER
PHONO
AUX
2
3
Play the source.
Confirm the source by selecting it with the INPUT
selector and turning up the VOLUME control.
Notes
INPUT
●
If you want to enjoy another source while recording, select it
with the INPUT selector.
CD
TAPE 1
TAPE 2
TUNER
PHONO
●
VOLUME, BASS, TREBLE, BALANCE controls and PURE
DIRECT switch settings have no effect on the material being
recorded.
AUX
VOLUME
0
l0
When you listen with headphones
Connect the headphones to the PHONES jack. When listening
with headphones privately, set both the SPEAKERS A and B
switches to the OFF position.
PHONES
7
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Adjusting the BALANCE control
Selecting the SPEAKER system
Adjust the balance of the output volume to the left and right
speakers to compensate for sound imbalance caused from
speaker location or listening room conditions.
Because one or two speaker systems can be connected to this
unit, the SPEAKERS switches allow you to select speaker
system A or B, or both at once.
SPEAKERS
BALANCE
A
B
ON
ON
OFF
OFF
L
R
Using the PURE DIRECT switch
Adjusting the BASS and TREBLE
controls
You can enjoy the purest possible sound from your audio
sources by pressing this switch so that the PURE DIRECT
indicator lights up. By doing so, the audio signal bypasses the
BASS, TREBLE, BALANCE controls and the PRE OUT/MAIN
IN terminals, eliminating any alterations to the audio signal.
BASS
TREBLE
0
0
–
+
–
+
PURE
DIRECT
BASS
: Turn this clockwise to increase (or counter-
clockwise to decrease) the low frequency
response.
PURE
DIRECT
TREBLE : Turn this clockwise to increase (or counter-
clockwise to decrease) the high frequency
response.
Lights up.
Open/close the control door
When it is not necessary to operate controls inside the control
door, close the door.
To open the door
To close the door
8
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REMOTE CONTROL TRANSMITTER
The remote control transmitter provided with this unit is designed to control all the most commonly used functions of the unit. If the
CD player, tuner and tape deck connected to this unit are YAMAHA components, then this remote control transmitter will also control
various functions of each component.
KEY FUNCTIONS
For Control of This Unit
PHONO
POWER
Turns the power on/off.
SKIP
PLAY
CD
SEARCH
DISC SKIP
PAUSE/STOP
—
PRESET
+
DECK A/B
PLAY
A/B/C/D/E TUNER
Selects input source.
DIR A
DIR B
REC MUTE
—
TAPE 1
TAPE 2
REC/PAUSE
STOP
AUX
+
VOLUME
Turns the volume level up/down.
For Other Component Control
Identify the remote control transmitter keys with your component’s keys. If these keys are identical, their function will be the
same. On each key function, refer to the corresponding instruction on your component’s manual.
PHONO
POWER
SKIP
PLAY
CD
Controls compact disc player.
*
DISC SKIP is applicable only to
SEARCH
DISC SKIP
PAUSE/STOP
compact disc changer.
—
PRESET
+
DECK A/B
PLAY
A/B/C/D/E TUNER
Controls tuner
* + : Selects higher preset station
number.
– : Selects lower preset station number.
A/B/C/D/E: Selects the page (A – E) of
preset stations.
Controls tape deck.
DIR A
DIR B
REC MUTE
—
TAPE 1
TAPE 2
*
DIR A, B and DECK A/B are
applicable only to double
cassette tape deck.
*
For a single cassette deck with
automatic reverse function,
pressing DIR A will reverse the
direction of tape running.
REC/PAUSE
STOP
AUX
+
VOLUME
9
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Standby mode
While the power is on, pressing the POWER key on the remote
control transmitter switches the unit to the Standby mode. (In
this mode, the indicator is half illuminated.)
POWER
POWER
Note
The POWER switch on the front panel of this unit should
be turned off when left unused for a long period of time.
Standby mode
POWER on mode
NOTES ABOUT THE REMOTE CONTROL TRANSMITTER
Battery installation
Remote control transmitter operation range
1
Remote control
sensor
3
2
Within approximately
6 m (19.7 feet)
Battery replacement
Notes
●
There should be no large obstacles between the remote
If you find that the remote control transmitter must be used
closer to the main unit, the batteries are weak. Replace both
batteries with new ones.
control transmitter and the main unit.
If the remote control sensor is directly illuminated by strong
●
lighting (especially an inverter type of fluorescent lamp etc.),
it might cause the remote control transmitter not to work
correctly. In this case, reposition the main unit to avoid
direct lighting.
Notes
●
Use only AA, R6, UM-3 batteries for replacement.
●
Be sure the polarities are correct. (See the illustration inside
the battery compartment.)
●
Remove the batteries if the remote control transmitter will
not be used for an extended period of time.
If batteries leak, dispose of them immediately. Avoid
●
touching the leaked material or letting it come in contact with
clothing, etc. Clean the battery compartment thoroughly
before installing new batteries.
10
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TROUBLESHOOTING
If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple
measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and
contact your authorized YAMAHA dealer or service center for help.
SYMPTOM
CAUSE
REMEDY
The unit fails to turn on when the POWER
switch is pressed.
Power cord is not plugged in or is not
completely inserted.
Firmly plug in the power cord.
No sound.
Incorrect output cord connections.
Appropriate input source is not selected.
Speaker connections are not secure.
Connect the cords properly. If the problem
persists, the cords may be defective.
Select an appropriate input source with the
INPUT selector.
Secure the connections.
The sound suddenly goes off.
The protection circuit has activated because
of short circuit etc.
Turning the unit off and then on will reset the
protection circuit.
Only one side speaker outputs the sound.
Incorrect setting of the BALANCE control.
Incorrect cord connections.
Adjust it to the appropriate position.
Connect the cords properly. If the problem
persists, the cords may be defective.
There is a lack of bass, and no ambience.
Sound “hums”.
The + and – wires are connected in reverse
at the amplifier or speakers.
Connect the speaker wires in the correct
phase (+ and –).
Incorrect cord connections.
Firmly connect the audio plugs. If the
problem persists, the cords may be defective.
No connection from the turntable to the GND
terminal.
Make the GND connection between the
turntable and this unit.
Using the BASS, TREBLE and BALANCE
controls does not affect the tone.
The PURE DIRECT switch is ON.
The PURE DIRECT switch must be switched
OFF to use those controls.
The remote control transmitter does not
work.
Direct sunlight or lighting (of an inverter type
of flourescent lamp etc.) is striking the
remote control sensor of the main unit.
Change position of the main unit.
The distance or range within which the
remote control transmitter can be used
decreases.
The batteries of this remote control
transmitter are too weak.
Replace the batteries with new ones.
11
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SPECIFICATIONS
Minimum RMS Output Power per Channel
Total Harmonic Distortion (20 Hz to 20 kHz)
8 ohms, 20 Hz to 20 kHz, 0.03% THD ...................70W+70W
6 ohms, 20 Hz to 20 kHz, 0.06% THD ...................80W+80W
PHONO MM to REC OUT (3V) ................................0.005%
CD/TUNER/TAPE/AUX to PRE OUT (1V) ................0.008%
CD/TUNER/TAPE/AUX to SP OUT (35W/8 ohms)....0.025%
Dynamic Power per Channel
(by IHF Dynamic Headroom measuring method)
8/6/4/2 ohms.............................................95/117/140/200W
Signal-to-Noise Ratio (IHF-A Network)
PHONO MM (5 mV Input Shorted)............................. 88 dB
CD (PURE DIRECT: ON)........................................... 110 dB
DIN Standard Output Power per Channel
(4 ohms, 1 kHz, 0.7% THD)
Residual Noise (IHF-A Network)
[Europe model only]....................................................100W
CD (PURE DIRECT: ON)............................................. 50 µV
IEC Power (8 ohms, 1 kHz, 0.03% THD)
Channel Separation (Vol. –30 dB)
[Europe model only]......................................................77W
PHONO MM/MC (Input Shorted 1 kHz/10 kHz)63 dB/52 dB
CD/TUNER/TAPE/AUX (Input 5.1 k-ohms Terminated
1 kHz/10 kHz) ...................................................65 dB/50 dB
Power Band Width
8 ohms, 35W, 0.03% THD..........................10 Hz to 40 kHz
Tone Control Characteristics
Damping Factor
BASS: Boost/cut ..........................................±10 dB (20 Hz)
TREBLE: Boost/cut....................................±10 dB (20 kHz)
8 ohms, 20 Hz–20 kHz...................................................150
Input Sensitivity/Impedance
Gain Tracking Error (0 – –60dB)........................................3 dB
PHONO MM............................................2.5 mV/47 k-ohms
CD/TUNER/TAPE/AUX...........................150 mV/47 k-ohms
MAIN IN ......................................................1.0V/10 k-ohms
Power Supply
[U.K. model] ................................................AC 240V, 50 Hz
[Europe model]............................................AC 230V, 50 Hz
[General model] ................AC 110/120/220/240V, 50/60 Hz
Maximum Input Signal (1 kHz, 0.005% THD)
PHONO MM .............................................................120 mV
Power Consumption ........................................................170W
Output Level/Impedance
REC OUT ..............................................150 mV/2.6 k-ohms
PRE OUT....................................................1.0V/1.5 k-ohms
AC Outlets
SWITCHED OUTLETS...............................100W max. total
Headphone Jack Rated Output/ Impedance
Dimensions (W x H x D) .....................280 x 118.5 x 388.5 mm
(11” x 4-11/16” x 15-5/16”)
Output Level (8 ohms, 1 kHz, 0.03% THD).................0.47V
Impedance ............................................................390 ohms
Weight ......................................................8.2 kg (18 lbs. 1 oz.)
Frequency Response (20 Hz to 20 kHz)
CD/TUNER/TAPE/AUX...........................................0±0.5 dB
MAIN IN .................................................................0±0.5 dB
Accessories ....................................Remote control transmitter
Batteries
RIAA Equalization Deviation (20 Hz to 20 kHz)
PHONO MM ..........................................................0±0.5 dB
Specifications subject to change without notice.
12
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YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A.
YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA
YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, D-2084 RELLINGEN BEI HAMBURG, F.R. OF GERMANY
YAMAHA ELECTRONIQUE FRANCE S.A. 17 RUE DES CAMPANULES, LOGNES 77321 MARNE LA VALLEE CEDEX 2, FRANCE
YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD1 7JS, ENGLAND
YAMAHA SCANDINAVIA A.B.
J
A
WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN
YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA
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