Kenwood Stereo Equalizer G EQ300 User Manual

GRAPHIC EQUALIZER  
G-EQ300  
INSTRUCTION MANUAL  
KENWOOD CORPORATION  
B60-3538-08 KO (K,P,Y,C,M,X,T)  
MC  
97/12 11 10 9 8 7 6 5 4 3 2 1 96/12 11 10 9 8 7 5  
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Introduction  
G-EQ300 (En/K)  
Special features  
3
Large FL display, 14-band equalizer  
and 27-spectrum analyzer  
The large FL display, 14-band equalizer and 27-spectrum analyzer features  
high visibility of information and make it possible to set EQ (equalizer) curves  
with high accuracy.  
MANUAL/REFERENCE modes  
PARAMETRIC/GRAPHIC modes  
MANUAL:  
Five preset patterns have been factory-preset for this mode, too. In  
this mode, it is also possible to preset (assign) equalizer patterns  
created by the user in place of the factory presets.  
@
REFERENCE:  
Five exemplary patterns have been preset at the factory. #  
PARAMETRIC: Equalizer curves can be created by setting up to 3 center  
frequencies and the equalizing levels for them.  
%
GRAPHIC:  
The equalizer curve can be adjusted in a detailed way for every  
frequency range. It is also possible to fine-adjust a curve which  
has been created in the PARAMETRIC mode. The GRAPHIC  
mode is to be used when detailed adjustment of acoustic  
compensation is required.  
&
GENRE mode  
A total of 30 playback patterns have been factory-preset by combining five  
recommended equalizer patterns with six music genres, so that any of them  
can be selected by actually comparing them. Similarly, selection from 30  
types of recording patterns for playback on car stereo or from 30 types of  
recording patterns for playback on headphone stereo is also available. Select  
the optimum equalizer pattern according to the music genre and purpose of  
use of the pattern.  
(
Caution : Read the pages marked  
carefully to ensure safe operation.  
Contents  
Introduction .................................................................................. 2  
3Before applying power.............................................................. 2  
3Safety precautions .................................................................... 2  
Special features ........................................................................ 3  
3Contents .................................................................................... 3  
Accessories ............................................................................... 3  
3IMPORTANT SAFEGUARDS ....................................................... 4  
Before operation .......................................................................... 6  
Safety precautions .................................................................... 6  
Maintenance ............................................................................. 6  
Names and functions of parts ................................................... 7  
System connections .................................................................... 8  
About the system control connections ..................................... 9  
Display ......................................................................................... 10  
Switching the display modes.................................................. 10  
Demonstration method ........................................................... 11  
Operation of graphic equalizer ............................................... 12  
Operation of MANUAL feature ............................................... 12  
Operation of REFERENCE feature ........................................... 13  
Equalizer pattern list ............................................................... 14  
Creation of desired equalizer patterns .................................. 15  
Operation in PARAMETRIC mode ........................................... 15  
Operation in GRAPHIC mode .................................................. 17  
Registration of EQUALIZER pattern ........................................ 18  
Operation of GENRE feature ................................................... 19  
REVERSE key ........................................................................... 20  
Use of equalizer effect with tape ........................................... 21  
Applying equalizer effect to tape playback ............................ 21  
Tape recording of sound with equalizer effect ....................... 22  
Functions of the graphic equalizer......................................... 23  
In case of difficulty.................................................................... 24  
3Specifications ............................................................................ 25  
Accessories  
Check that the following accessories are present.  
Audio cord (2)  
System control cord (1)  
* AC plug adaptor (1)  
*Use to adapt the plug on the  
power cord to the shape of  
the wall outlet. (Accessory  
only for regions where use is  
necessary.)  
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IMPORTANT SAFEGUARDS  
3Caution : Read this page carefully to ensure safe operation.  
G-EQ300 (En/K)  
Please read all of the safety and operating instructions before  
operating this appliance. Adhere to all warnings on the appliance  
and in the instruction manual. Follow all the safety and operating  
instructions. These safety and operating instructions should be  
retained for future reference.  
6. Temperature – The appliance may not function properly  
if used at extremely low, or freezing temperatures. The  
ideal ambient temperature is above +5°C (41°F).  
4
7. Heat – The appliance should be situated away from heat  
sources such as radiators, heat registers, stoves, or  
other appliances (including amplifiers) that produce heat.  
1. Power sources – The appliance should be connected to a  
power supply only of the type described in the instruction  
manual or as marked on the appliance. If you are not sure of  
the type of power supply to your home, consult your appliance  
dealer or local power company. For appliances intended to  
operate from battery power, or other sources, refer to the  
instruction manual.  
8. Electric shock – Care should be taken so that objects do  
not fall and liquid is not spilled into the enclosure  
through openings. If a metal objects, such as a hair pin  
or a needle, comes into contact with the inside of this  
appliance, a dangerous electric shock may result. For  
families with children, never permit children to put  
anything, especially metal, inside this appliance.  
2. Power-cord protection – Power-supply cords should  
be routed so that they are not likely to be walked on or  
pinched by items placed upon or against them, pay  
particular attention to cords at plugs, convenience  
receptacles, and the point where they exit from the  
appliance.  
Never pull or stretch  
the cord.  
9. Enclosure removal – Never remove the enclosure. If  
the internal parts are touched accidentally, a serious  
electric shock might occur.  
3. CAUTION – Polarization – This appliance may be  
equipped with a polarized alternating-current line plug (a plug  
havingonebladewiderthantheother).Thisplugwillfitintothe  
power outlet only one way. This is a safety feature. If you are  
unable to insert the plug fully into the outlet, try reversing the  
plug. If the plug should still fail to fit, contact your electrician to  
replace your obsolete outlet. Do not defeat the safety purpose  
of the polarized plug.  
10.Magnetic fields – Keep the appliance away from sources  
of magnetic fields such as TV sets, speaker systems,  
radios, motorized toys or magnetized objects.  
4. Ventilation – Slots and openings in the cabinet are provided  
for ventilation and to ensure reliable operation of the appliance  
and to protect it from overheating, and these openings must  
notbeblockedorcovered. Theapplianceshouldbesituatedso  
that its location or position does not interfere with its proper  
ventilation.  
11.Cleaning – Unplug this appliance from the wall outlet  
before cleaning. Do not use volatile solvents such as  
alcohol, paint thinner, gasoline, or benzine, etc. to clean  
the cabinet. Use a clean dry cloth.  
Tomaintaingoodventilation,donotputrecordsoratable-cloth  
on the appliance. Place the appliance at least 10 cm away from  
the walls.  
Do not use the appliance on a bed, sofa, rug or similar surface  
that may block the ventilation openings. This appliance should  
notbeplacedinabuilt-ininstallationsuchasabookcaseorrack  
unless proper ventilation is provided or the manufacturer’s  
instructions have been adhered to.  
12.Accessories – Do not place this appliance on an unstable cart,  
stand, tripod, bracket, or table. The appliance may fall, causing  
serious injury to a child or adult, and serious damage to the  
appliance. Use only with a cart, stand, tripod, bracket, or table  
recommendedbythemanufacturer,orsoldwiththeappliance.  
Anymountingoftheapplianceshouldfollowthemanufacturer’s  
instructions, and should use a mounting accessory  
recommended by the manufacturer. An appliance and cart  
combinationshouldbemovedwithcare.Quickstops,excessive  
force, and uneven surfaces may cause the appliance and cart  
combination to overturn.  
5. Water and moisture – The appliance should not be  
used near water - for example, near a bathtub, washbowl,  
kitchen sink, laundry tub, in a wet basement, or near a  
swimming pool, etc.  
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IMPORTANT SAFEGUARDS  
G-EQ300 (En/K)  
3Caution : Read this page carefully to ensure safe operation.  
13.Lightning – For added protection for this appliance during a  
lightning storm, or when it is left unattended and unused for  
long periods of time, unplug it from the wall outlet and  
disconnect the antenna or cable system. This will prevent  
damage to the appliance due to lightning and power-line  
surges.  
18.Power lines – An outside antenna system should not be  
located in the vicinity of overhead power lines or other electric  
lightorpowercircuits, orwhereitcanfallintosuchpowerlines  
orcircuits.Wheninstallinganoutsideantennasystem,extreme  
care should be taken to keep from touching such power lines  
or circuits as contact with them might be fatal.  
5
14.Abnormal smell – If an abnormal smell or smoke is  
detected, immediately turn the power OFF and unplug  
the appliance from the wall outlet. Contact your dealer or  
nearest service center.  
19.AC outlets – Do not connect other audio equipment  
with a power consumption larger than that specified to  
the AC outlet on the rear panel. Never connect other  
electrical appliances, such as an iron or toaster, to it to  
prevent fire or electric shock.  
POWER OFF!  
15.Damage requiring service – The appliance should be  
serviced by qualified service personnel when:  
A. The power-supply cord or the plug has been damaged.  
B. Objects have fallen, or liquid has been spilled into the  
appliance.  
20. Overloading – Do not overload wall outlets, extension cords,  
or integral convenience receptacles as this can result in a risk  
of fire or electric shock.  
C. The appliance has been exposed to rain or water.  
D. The appliance does not appear to operate normally by  
following the instruction manual. Adjust only those controls  
that are covered by the instruction manual as an improper  
adjustment of other controls may result in damage and will  
often require extensive work by a qualified technician to  
restore the appliance to its normal operation.  
21. Attachment – Do not use attachments not recommended by  
the appliance manufacturer as they may cause hazards.  
22. Replacement parts – When replacement parts are required,  
be sure the service technician has used replacement parts  
specifiedbythemanufacturerorhavethesamecharacteristics  
as the original parts. Unauthorized substitutions may result in  
fire, electric shock, or other hazards.  
E. The appliance has been dropped, or the enclosure  
damaged.  
F. The appliance exhibits a marked change in performance.  
23. Safety check – Upon completion of any service or repairs to  
this appliance, ask the service technician to perform safety  
checks to determine that the appliance is in proper operating  
condition.  
16.Servicing – The user should not attempt to service the  
appliance beyond that described in the instruction  
manual. All other servicing should be referred to qualified  
service personnel.  
17.Outdoor antenna grounding – If an outside antenna is  
connected to the appliance, be sure the antenna system  
is grounded so as to provide some protection against  
voltage surges and built up static charges. Article 810 of  
the National Electrical Code ANSI/NFPA 70, provides  
information with respect to proper grounding of the  
mast and supporting structure, grounding of the lead-in  
wire to an antenna discharge unit, size of grounding  
conductors, location of antenna discharge unit,  
connection to grounding electrodes, and requirements  
for the grounding electrode. See Figure.  
EXAMPLE OF ANTENNA GROUNDING AS PER  
NATIONAL ELECTRICAL CODE  
ANTENNA  
LEAD IN WIRE  
GROUND  
CLAMPS  
ANTENNA  
DISCHARGE UNIT  
(NEC SECTION 810-20)  
ELECTRIC  
SERVICE  
EQUIPMENT  
GROUNDING CONDUCTORS  
(NEC SECTION 810-21)  
NNootteess  
GROUND CLAMP  
POWER SERVICE GROUNDING  
ELECTRODE SYSTEM  
(NEC ART 250, PART H)  
1. Item 3 is not required except for grounded or polarized equipment.  
2. Item 17 and 18 are not required except for units provided with antenna  
terminals.  
NEC – NATIONAL ELECTRICAL CODE  
3. Item 17 complies with UL in the U.S.A.  
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Before operation  
G-EQ300 (En/K)  
Unpacking  
6
Unpack the unit carefully and make sure that all accessories are put aside so they will not be lost.  
Examine the unit for any possibility of shipping damage. If your unit is damaged or fails to operate, notify your dealer immediately. If your unit was shipped  
to you directly, notify the shipping company without delay. Only the consignee (the person or company receiving the unit) can file a claim against the  
carrier for shipping damage.  
We recommend that you retain the original carton and packing materials for use should you transport or ship the unit in the future.  
Keep this manual handy for future reference.  
Safety precautions  
Beware of condensation  
Whenwatervaporcomesintocontactwiththesurfaceofcoldmaterial,  
water drops are produced.  
If condensation occurs, correct operation may not be possible, or the  
unit may not function correctly.  
This is not a malfunction, however, the unit should be dried.  
(To do this, turn the ON/STANDBY switch ON and leave the unit as it  
is for several hours.)  
Be especially careful in the following conditions:  
When the unit is brought from a cold place to a warm place, and there  
is a large temperature difference.  
When a heater starts operating.  
When the unit is brought from an air-conditioned place to a place of  
high temperature with high humidity.  
When there is a large difference between the internal temperature of  
the unit and the ambient temperature, or in conditions where conden-  
sation occurs easily.  
Maintenance  
Cleaning  
Caution against contact revitalizer  
Unplugthisappliancefromthewalloutletbeforecleaning. Donotuse  
volatile solvents such as alcohol, paint thinner, gasoline, or benzine,  
etc. to clean the cabinet. Use a clean dry cloth.  
Do not use contact cleaners because it could cause a malfunction. Be  
specially careful against contact cleaners containing oil, for they may  
deform the plastic componente.  
Unplug power cord  
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Names and functions of parts  
G-EQ300 (En/K)  
Graphic equalizer display  
Spectrum analyzer display  
Character display  
Character display  
Frequency display  
indicator  
7
* * * * * *  
Indicators  
GRAPHIC  
EQ. ON  
MEMORY  
MANUAL  
GRAPHIC  
PARAMETRIC  
F1 F2 F3  
EQ. ON  
MEMORY  
MANUAL  
PARAMETRIC  
F1, F2, F3  
WIDE/NARROW  
REFERENCE  
WIDE NARROW  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16 k  
REFERENCE  
Display  
1 2 3  
4 5 6  
7 8  
9 0  
GRAPHIC/  
PATTERN  
PAUSE  
TAPE  
PARAMETRIC  
EQ.LEVEL  
WIDE/NARROW  
FREQUENCY JOG  
ON/STANDBY  
MAIN POWER  
-ON OFF  
EQ.EFFECT  
DISPLAY REVERSE FLAT  
TAPE  
MANU./REF.  
F1  
F2  
BYPASS  
CAR  
H.P.ST.  
JAZZ/3  
FUSION/4 CLASSIC/5  
F3  
1
2
4
5
POP./1 ROCK/2  
3
MEMORY  
MOVIE  
! @ #$ %^  
&
*
(
)
¡
1
2
MAIN POWER key  
Switch the unit ON mode.  
ON/STANDBY key  
Switch the unit between ON mode  
and STANDBY mode.  
Standby indicator  
Lights up to indicate that a small  
amount of current flows in the unit.  
PATTERN key  
Press to enter or quit the genre mode.  
TAPE indicator  
Lights up when the TAPE key is  
pressed to ON.  
PAUSE key  
90 EQ. LEVEL  
(DOWN) keys  
Press the (UP) or  
(UP)  
*
MEMORY key  
/
Pressthiskeywhenregisteringauser-  
created equalizer pattern.  
Genre keys  
Press in the genre mode to select the  
desired music genres and their equal-  
izer patterns.  
Frequency keys (F1, F2, F3)  
Each key can store a desired center  
frequency.  
FREQUENCY JOG knob  
Rotate the control knob to adjust the  
frequency band (range).  
(DOWN)  
key to increase or decrease the equal-  
izer level.  
EQ. EFFECT key  
Press to turn the equalizer mode ON  
and OFF.  
TAPE key  
Use when playing back or recording a  
tape.  
DISPLAY key  
(
3
!
@
#
)
¡
4
5
Press to switch the display mode or to  
select the demonstration mode.  
REVERSE key  
Press to reverse an equalizer curve.  
FLAT key  
6
7
$
%
^
Press to let an equalizer curve pause  
temporarily.  
WIDE/NARROW key  
Press to make an equalizer curve flat.  
MANU./REF. key  
Each press of the key switches the  
curveslopealternatelybetweenWIDE  
and NARROW.  
GRAPHIC/PARAMETRIC key  
GRAPHIC: Select this mode when  
adjusting an equalizer curve.  
PARAMETRIC: Select this mode  
when creating an equalizer curve ac-  
cording to center frequencies.  
Press to switch the manual and refer-  
ence functions alternately.  
Preset keys (1 to 5)  
8
&
Typical equalizer patterns have been  
preset under these keys so that you  
can select any one of them easily.  
STANDBY indicator  
While standby mode is indicated, a small amount of power is supplied to the system to back up the memory. In this mode, the  
system can be turned ON by remote control.  
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System connections  
G-EQ300 (En/K)  
Make connection as shown below. When connecting the  
related system components, refer also to the instruction  
manuals of the related components.  
3 Caution: Do not plug in the power lead until all connec-  
tions are completed.  
Malfunction of microprocessor  
If operation is not possible or erroneous display appears even  
though all connections have been made properly, reset the  
microprocessor referring to “In case of difficulty”.  
¢
8
( Except for U.S.A., Canada )  
Caution regarding placement  
To maintain proper ventilation, be sure to leave a space around the unit (from the largest outer dimensions including projections) equal to, or greater than,  
shown below.  
Left and right panels: 10 cm, rear panel: 10 cm  
*CAUTION (For U.K.)  
When using the AC outlet epuipped  
withthisunit,besuretoconsultyour  
dealer for the correspond-ing plug.  
AV CONTROL CENTER  
SYSTEM  
CONTROL  
*
U.K.  
Australia  
TAPE 2  
Connect to the TAPE 2 (MONITOR)  
jacks  
Set the TAPE 2 (MONITOR ) switch  
to the monitoring position.  
(MONITOR)  
L
U.S.A., Canada,  
China and US military  
R
REC  
PLAY  
Other countries  
Audio cords  
To wall  
AC outlet  
TAPE  
LINE  
IN  
SYSTEM  
CONTROL  
PLAY REC  
IN  
OUT  
OUT  
AC OUTLET  
L
L
System control cord  
R
R
This unit  
Audio cords  
LINE  
Cassette tape deck (optional)  
REC PLAY  
IN OUT  
L
R
÷When a cassette deck is connected to the graphic equalizer,do not  
connect the system control cord to the cassette deck.  
Use the numbers 90!@on the rear panel of this unit  
when connecting it to an AV CONTROL CENTER or  
RECEIVER.  
Connections are easily completed by using Audio cords  
to make connections to the same numbers on the other  
component.  
÷When connecting the audio cords (cords with pin plugs on each  
end), insertthewhiteplugsintotheL (Left)jacksandredplugsinto  
the R (Right) jacks.  
1. Connect all cords firmly. If connections are loose there could be loss of sound or noise produced.  
2.Whenpluggingandunpluggingconnectioncords,besuretofirstremovethepowercordfromtheACoutlet.Plugging/unpluggingconnection  
cords without removal of the power cord can cause malfunctions or damage on the unit.  
NNootteess  
3. Do not connect up a power source which is larger than that indicated on the socket at the rear of the unit.  
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System connections  
G-EQ300 (En/K)  
About the system control connections  
9
When this unit is connected to KENWOOD audio component system “SERIES 21”, also connect them through the system control cords to  
allow system-control operations between components.  
Connection example  
AV  
SYSTEM  
CONTROL  
CONTROL  
CENTER  
The SERIES 21 components which can be  
system-connected with this unit include the  
LD player, MD recorder and DVD player.  
System  
control cord  
POWER  
AMPLIFIER  
NNootteess  
1. DonotconnecttheSERIES21components  
to other system components using system  
control cords.  
SYSTEM  
CONTROL  
GRAPHIC  
2. Do not connect system control cords to any  
components other than those specified by  
KENWOOD. It may cause a malfunction  
and damage your equipment.  
3. Be sure the system control plugs are in-  
serted all the way in to the system control  
terminals.  
EQUALIZER  
System  
SYSTEM  
CONTROL  
control cord  
CASSETTE  
DECK 1  
4
*
SYSTEM  
CONTROL  
CASSETTE  
DECK 2  
4.When a cassette deck is connected to the  
graphic equalizer,do not connect the sys-  
tem control cord to the cassette deck.  
*
SYSTEM  
CONTROL  
System  
control cord  
CD  
PLAYER  
About the system control operations  
(Available operations when SERIES 21 components are connected through system control cords)  
Remote Control  
Lets you operate source components with the system remote supplied with AV CONTROL CENTER.  
Automatic Operation  
When you start playback from a source component, the input selector on AV CONTROL CENTER switches to that component automatically.  
(Except TAPE 2)  
Synchronized Recording  
Lets you synchronize recording with the start of playback when recording from CD or LD .  
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Display  
G-EQ300 (En/K)  
Preparation  
Ensure that the MAIN POWER key is set to  
ON.  
1 0  
MAIN POWER  
-ON OFF  
: Keys and control used in the operations described on this page.  
Switching the display modes  
1Press the ON/STANDBY key to turn the unit ON.  
ON/STANDBY  
2 Select the desired display mode.  
Each press switches the display modes as follows.  
1
2
3
Graphic equalizer display mode  
Spectrum analyzer display mode  
DEMO(Demonstration) mode  
DISPLAY  
Graphic equalizer display mode  
Shows how each frequency range is compensated.  
The graphic equalizer display also appears for about 5 seconds, even  
while the unit is in the spectrum analyzer display mode, when one of  
the following operation is performed.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16 k  
1. Turning the unit ON.  
2. An operation key associated with an equalizer operation is pressed.  
Peak hold level  
Spectrum analyzer display mode  
Displays the frequency distribution of the source being played to allow  
under standing at a glance.  
The peak value of the varying level of each frequency range is held and  
displayed for about 0.5 second.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16 k  
DEMO(Demonstration) mode  
After “DEMO” is displayed, the demonstration of the graphic equalizer  
curves starts.  
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Display  
G-EQ300 (En/K)  
Demonstration of equalizer curves can be displayed to help  
the user understand the features of the equalizer better.  
1 1  
: Keys and control used in the operations described on this page.  
Demonstration method  
1Play a music source.  
2Select the “DEMO” mode.  
Each press switches the display modes as follows.  
1
2
3
Graphic equalizer display mode  
Spectrum analyzer display mode  
DEMO(Demonstration) mode  
DISPLAY  
Demonstration is performed repeatedly in the following order.  
GRAPHIC  
PARAMETRIC  
REFERENCE  
MANUAL  
To stop demonstration  
DISPLAY  
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Operation of graphic equalizer  
G-EQ300 (En/K)  
Five preset patterns have been factory-preset for this mode,  
too. In this mode, it is also possible to preset (assign)  
equalizer patterns created by the user in place of the factory  
presets.  
1 2  
: Keys and control used in the operations described on this page.  
Operation of MANUAL feature  
1 Play a music source.  
2Select the “EQ.ON” mode.  
“EQ.ON” Lights up.  
EQ.EFFECT  
EQ. ON  
3Set to “MANUAL“.  
Each press switches the display as follows.  
“MANUAL” Lights up.  
MANU./REF.  
1
MANUAL  
2
REFERENCE  
MANUAL  
4Select an equalizer pattern.  
Select by pressing one of preset keys 1 to 5.  
1
4
2
5
3
M
To cancel the equalizer effect:  
“EQ.ON” indicator goes off.  
EQ.EFFECT  
The pattern being displayed remains the same.  
“FLAT” key  
Pressing the FLAT key makes the displayed curve flat. This  
occurs in any mode.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
k
FLAT  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
k
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Operation of graphic equalizer  
G-EQ300 (En/K)  
Five exemplary patterns have been preset at the factory.  
1 3  
: Keys and control used in the operations described on this page.  
Operation of REFERENCE feature  
1Play a music source.  
2Select the “EQ.ON” mode.  
“EQ.ON” Lights up.  
EQ.EFFECT  
EQ. ON  
3Set to “REFERENCE”.  
Each press switches the display as follows.  
“REFERENCE” Lights up.  
1
MANUAL  
MANU./REF.  
2
REFERENCE  
REFERENCE  
4Select an equalizer pattern.  
Select by pressing one of preset keys 1 to 5.  
1
4
2
5
3
M
To cancel the equalizer effect:  
“EQ.ON” indicator goes off.  
EQ.EFFECT  
The pattern being displayed remains the same.  
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Operation of graphic equalizer  
G-EQ300 (En/K)  
Equalizer pattern list  
1 4  
Preset equalizer pattern M1 to M5  
(MANUAL)  
Preset equalizer pattern R1 to R5  
(REFERENCE)  
Pattern can be created and preset by the user in this  
mode.  
M1: [Bass intensity]  
For listening a bass sound effect without feeling of sharpness.  
R1: [Mild]  
For listening a mild sound comfortable for ears, like back ground music.  
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625  
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1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
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63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
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M2: [Vocal]  
For listening vocal sound with enhanced expansion.  
R2: [Clear]  
For listening a brilliant sound with attenuated low frequencies.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
k
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
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M3: [Percussion]  
For listening percussion sound with expansion and powerfulness.  
R3: [Heavy]  
For listening music like rock and fusion with more powerful sound.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
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40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16 k  
M4: [Car]  
R4: [Scale]  
For listening more exciting sound.  
For recording tape with suitable tone to be played on car stereo.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
k
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16 k  
M5: [Headphones]  
For recording tape with suitable tone to be played on headphone  
stereo.  
R5: [Noise reduction for recording]  
Cutoffstimulatingmediumandhighfrequenciesandenablessoftsound  
recording.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
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40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
k
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Creation of desired equalizer patterns  
G-EQ300 (En/K)  
Equalizer curves can be created by setting up to 3 center  
frequencies and the equalizing levels for them.  
The inclination of each curve can be selected between WIDE  
(gentle slope) and NARROW (steep).  
1 5  
: Keys and control used in the operations described on this page.  
Operation in PARAMETRIC mode  
1Select the “graphic equalizer display mode”.  
Each press switches the display modes as follows.  
1
2
3
Graphic equalizer display mode  
Spectrum analyzer display mode  
DEMO(Demonstration) mode  
DISPLAY  
2Select the “EQ.ON” mode.  
“EQ. ON” Lights up.  
EQ.EFFECT  
EQ. ON  
3Select the “PARAMETRIC” mode  
Each press switches the display as follows.  
1 GRAPHIC  
: Mode for adjusting equalizer curves.  
GRAPHIC/  
PARAMETRIC  
2 PARAMETRIC: Mode for creating a curve according  
to center frequencies.  
“PARAMETRIC” Lights up.  
PARAMETRIC  
4Select the key to store the center frequency.  
F1  
F2  
F3  
PARAMETRIC  
F1  
“F1” Lights up.  
(Continued on next page)  
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Creation of desired equalizer patterns  
G-EQ300 (En/K)  
1 6  
5Select the center frequency.  
FREQUENCY JOG  
9 8 H Z  
6Adjust the level.  
EQ.LEVEL  
63  
98  
160  
250  
400  
625  
1k  
Pressing the FLAT key allows to start adjustment from the flat level  
position.  
7Select the inclination of the curve.  
Each press switches the display as follows.  
1 WIDE  
: Curve with a gentle slope.  
2 NARROW: Curve with a sharp slope.  
WIDE/NARROW  
One the two  
shall light up.  
WIDE NARROW  
63  
98  
160  
250  
400  
625  
1k  
63  
98  
160  
250  
400  
625  
1k  
WIDE  
NARROW  
One adjusted, the curve remains the same until next time it is pressed.  
When adjustment of center frequencies F2 and/  
or F3 is required:  
8
Repeat steps 4 to 7 above for each center frequency.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16 k  
When two curves F1 and F2 or three curves F1, F2 and F3 are set,  
the curve combining them will be displayed in a few seconds.  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16 k  
For finer adjustment, perform the graphic mode operation described  
in the following page.  
&
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Creation of desired equalizer patterns  
G-EQ300 (En/K)  
This mode allows to adjust the equalizer curve for each  
frequency band provided. The curve created in the param-  
eter mode can be fine-adjusted in this mode.  
1 7  
Operation in GRAPHIC mode  
1Select the “graphic equalizer display mode”.  
Each press switches the display modes as follows.  
1 Graphic equalizer display mode  
2 Spectrum analyzer display mode  
3 DEMO(Demonstration) mode  
DISPLAY  
2Select the “EQ.ON” mode.  
“EQ. ON” lights up.  
EQ.EFFECT  
EQ. ON  
3Select the “GRAPHIC” mode.  
Each press switches the display as follows.  
1 GRAPHIC  
: Mode for adjusting equalizer curves.  
GRAPHIC/  
PARAMETRIC  
2 PARAMETRIC: Mode for creating a curve according  
to center frequencies.  
“GRAPHIC” lights up.  
GRAPHIC  
4Select the frequency band to be adjusted.  
FREQUENCY JOG  
2 5 K H Z  
5 Adjust its level.  
EQ.LEVEL  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
6Fine adjustment of each frequency band:  
Repeat steps 4 and 5 above.  
If the mode is switched from “GRAPHIC” to “PARAMETRIC”, the equalizer pattern created in the GRAPHIC mode is cleared.  
NNoottee  
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Creation of desired equalizer patterns  
G-EQ300 (En/K)  
1 8  
Registration of EQUALIZER pattern  
1Create a desired equalizer pattern.  
See “Creation of desired equalizer patterns“.  
Any equalizer pattern can be preset if it is being dis-  
played.  
2Preset the equalizer pattern.  
1 Press the MEMORY key.  
“MEMORY” Lights up.  
4
5
3
MEMORY  
MEMORY  
2Press one of the preset keys.  
Press while MEMORY is lighted up.  
MEMORY  
1
4
2
5
3
Pattern is preset under the number of the numeric key pressed.  
Up to five patterns can be preset in the same manner.  
When a pattern has previously been preset under the numeric key  
pressed, the newly preset pattern replaces the previous pattern.  
To cancel the registered pattern  
The registered equalizer pattern can be canceled and re-  
turned to the original pattern stored under the preset key  
(one of the factory-registered patterns M1 to M5 $).  
1Display the equalizer pattern.  
2Press and hold the preset key for more  
than 5 seconds.  
1
4
2
5
3
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Creation of desired equalizer patterns  
G-EQ300 (En/K)  
Through selections of the music genre, tone pattern and  
purpose of use in three steps, this feature allows to obtain  
the optimum playback pattern from the 90 equalizer pat-  
terns (6 genres × 5 patterns × 3 purposes of use=90).  
1 9  
: Keys and control used in the operations described on this page.  
Operation of GENRE feature  
1Play a music source.  
2Initiate the GENRE mode.  
PATTERN  
EQ. ON  
GRAPHIC  
MANUAL  
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63  
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625  
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1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
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S E L E C T  
EQ. ON  
MANUAL  
“GENRE” is displayed and “EQ.ON” lights up.  
3Select the genre of music.  
Until you actually select the music genre, patterns of the genres are  
displayed in repeated cycles (7 seconds) and the tones heard also change  
accordingly.  
GENRE key  
POPULAR  
ROCK  
JAZZ  
POP./1 ROCK/2 JAZZ/3 FUSION/4 CLASSIC/5  
MOVIE  
MOVIE  
CLASSIC  
FUSION  
If the PAUSE key is pressed in step 3 or 4 the repetition of  
equalizer patterns stop so that you can check the tone of a  
specific pattern more in details. The repetitions resume when  
the PAUSE key is pressed again.  
4Select the desired tone pattern.  
Until you actually select a tone pattern, the five patterns available with  
the genre selected in step 3 are displayed in repeated cycles and the  
tones heard also change accordingly. Five of the genre keys are also used  
as pattern No.keys.  
The five of the genre keys are also used as the pattern  
No. keys.  
PATTERN key  
1
2
3
4
5
The genre selected  
POP./1 ROCK/2 JAZZ/3 FUSION/4 CLASSIC/5  
MOVIE  
The number of the  
tone pattern  
J A Z Z 5  
EQ. ON  
GRAPHIC  
MANUAL  
Afterthetonepatternhasbeenselected, characters“USE” appearson  
the display.  
(Continued on next page)  
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Creation of desired equalizer patterns  
G-EQ300 (En/K)  
2 0  
5Select the purpose of use of the pattern.  
The display until you select a tone pattern.  
BYPASS CAR STEREO  
The three of the genre keys are also used as the use  
keys.  
USE key  
HEADPHONE STEREO  
BYPASS CAR  
POP./1 ROCK/2  
H.P.ST.  
JAZZ/3  
FUSION/4  
C
Major purposes of use provided by the USE keys.  
When a car stereo or headphone stereo is used, the special  
curveforuseinrecordingiscombinedwiththedisplayedcurve.  
For recording sound together with the equalizer effect applied  
to it, see “Tape recording of sound with equalizer effect“.  
BYPASS key : For use in normal playback and recording.  
CAR key  
: For use in recording of tapes to be played on car  
stereos.  
H.P.ST. (Headphone stereo) key  
: For use in recording of tapes to be played on  
headphone stereo players.  
To cancel GENRE mode.  
Press the PATTERN key again.  
PATTERN  
REVERSE key  
Each press reverses the curve.  
Press the REVERSE key to reverse the equalizer curve.  
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63  
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1.5k  
2.5k  
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6.3k  
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16  
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REVERSE  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
k
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Use of equalizer effect with tape  
G-EQ300 (En/K)  
Preparation  
2 1  
Make preparation for playback.  
For the preparation for playback, refer to the  
instruction manuals of the cassette tape deck.  
: Keys and control used in the operations described on this page.  
Applying equalizer effect to tape playback  
1Set the TAPE switch to ON.  
Lights up.  
TAPE  
TAPE  
2Select the “EQ.ON” mode.  
“EQ, ON” Lights up.  
EQ.EFFECT  
EQ. ON  
3Create a desired equalizer pattern.  
See pages @ to )  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
k
4Play a tape.  
To stop tape playback  
Press the stop key of the cassette tape deck.  
When playing a tape which has been recorded together with the equalizer effect, set the EQ.EFFECT key to OFF.  
NNoottee  
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Use of equalizer effect with tape  
G-EQ300 (En/K)  
Inadditiontoordinaryrecording, specialequalizerrecording  
patterns (refer to page 14) can be used for effective playback  
on car stereo or headphone stereo.  
2 2  
Preparation  
Make preparation for recording.  
For the preparation for recording, refer to the  
instructionmanualsofthecassettetapedeck.  
: Keys and control used in the operations described on this page.  
Tape recording of sound with equalizer effect  
1Set the TAPE switch to OFF.  
Turns off.  
TAPE  
TAPE  
2 Select the “EQ.ON” mode.  
“EQ, ON” Lights up.  
EQ.EFFECT  
EQ. ON  
3Create a desired equalizer pattern.  
See pages @ to )  
40  
63  
98  
160  
250  
400  
625  
1k  
1.5k  
2.5k  
3.9k  
6.3k  
10k  
16  
k
4Play the source to be recorded.  
5Start recording it onto tape.  
To stop tape recording  
Press the stop key of the cassette tape deck.  
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Functions of the graphic equalizer  
G-EQ300 (En/K)  
2 3  
Functions of graphic equalizer  
Book shelf  
Curtain  
Compensation for the audio  
characteristics of the listening room  
The listening room may contain several objects. Some  
of them reflect sound and some absorb sound , thus  
the sound reaching your ears is considerably affected  
Speaker  
by these objects.  
In such cases, the graphic equalizer can be used to  
adjust the frequency response of the room for a flat  
response from low to high frequencies.  
Low frequencies are absorbed by beds, chairs, etc.  
High frequencies are absorbed by curtains, screens,  
etc.  
The room structure can cause the low frequencies to  
beunclear, orthesoundleveltoincreaseordecrease  
depending on the frequency.  
Carpet  
Adjustment of sound to your individual taste  
When the reproduced sound contains several musical  
instruments and voices, the graphic equalizer allows  
you to enhance or attenuate the sound of specific  
instruments or voices.  
Flat  
Bass  
Treble  
Bass  
Treble  
Original, or ideal, speaker sound  
Actual sound reaching the listener  
Sound equalization  
Super bass range (40 Hz ~ 63 Hz)  
When this control is moved up, the bass instrument (double bass, bass  
drums, or pipe organ, etc.) sound is increased.  
Mid-high range (1.5 kHz ~ 2.5 kHz)  
This range is related to stimulus and metallic sound. When this range  
is well compensated, vivid sound can be obtained.  
When the super bass sound is boomy, move this control down.  
High range (3.9 kHz ~ 6.3 kHz)  
Bass range (98 Hz ~ 160 Hz)  
Usually, the listening room resonance frequency is in this range.  
To eliminate bass resonance, move this control down.  
Thisfrequencyrangeisrelatedtothehardnessofthesound. Whenthis  
control is moved up, strings or brass instruments, such as flutes or  
piccolos, are emphasized. When the control is moved down, the sound  
will be more soothing.  
Mid-bass range (250 Hz ~ 400 Hz)  
Super high range (10 kHz ~ 16 kHz)  
This range is the basis of music. Whether the sound is rich or not,  
depends on this range. When the playback sound is not so good, move  
this control up.  
This frequency range is related to the details of the music. When this  
control is moved up, super high frequency instruments, such as  
triangles or cymbals, are emphasized, resulting in wide sound and  
echoes.  
Mid range (625 Hz ~1 kHz)  
When this control is moved up or down, the baritone or soprano voice  
is emphasized/de-emphasized. This range is related to the “presence”  
of music.  
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In case of difficulty  
G-EQ300 (En/K)  
What appears to be a malfunction may not always be serious. If your unit should not perform as expected, consult the table  
below to see if the problem can be corrected before seeking help from your dealer or service representative.  
2 4  
Operation to reset  
The microprocessor may fall into malfunction (impossibility to operate  
erroneous display, etc.) when the power cord is unplugged while power  
is ON or due to an external factor. In this case, execute the following  
procedure to reset the microprocessor and return it to normal condition.  
WhilepressingandholdingtheMEMORYkey,  
press the MAIN POWER switch to OFF then  
ON again.  
Please note that resetting the microprocessor  
clears the contents stored in, it returns the micro-  
processor to the condition when it left the factory.  
Symptom  
Cause  
Remedy  
Power fails to turn on.  
The power cord is plugged incompletely.  
Insert the power plug securely into the power  
outlet.  
The system control cord is not connected.  
Connect the cord properly by referring to “Sys-  
tem connections“.  
8
The equalizer effect cannot be obtained.  
The input and output connections are reversed. Connect the input and output correctly. 8  
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Specifications  
G-EQ300 (En/K)  
3Caution : Read this page carefully to ensure safe operation.  
2 5  
[Audio block]  
Total harmonic distortion (at 1 kHz, Flat)................. 0.005%  
Frequency response ...........................10 Hz ~ 70 kHz, ± 3 dB  
Signal to noise ratio (IHF '66) ...................................... 108 dB  
Graphic equalizer characteristics  
Adjustment center frequencies ....... 40 Hz, 63 Hz, 98 Hz,  
160 Hz, 250 Hz, 400 Hz, 625 Hz, 1 kHz, 1.5 kHz, 2.5 kHz, 3.9  
kHz, 6.3 kHz, 10 kHz, 16 kHz  
Equalizer characteristic variable range ...............± 12 dB  
Input impedance  
Line ............................................................................. 47 kΩ  
Maximum output voltage (at 1% T.H.D.) ......................... 7 V  
Output Impedance  
Line ............................................................................ 2.2 kΩ  
[General]  
3 AC outlets  
For the U.S.A. and Canada  
UNSWITCHED.................................... 1 (200W, 1.6A max.)  
For other countries  
UNSWITCHED.............................................. 1 (200W max.)  
Power consumption ........................................................ 18 W  
Dimensions.......................................... W: 400 mm (15-3/4“)  
H : 141 mm (5-9/16“)  
D : 385 mm(15-3/16“)  
Weight (net) ......................................................4.6 kg (10.2 lb)  
1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.  
2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).  
NNootteess  
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G-EQ300 (En/K)  
2 6  
For the U.S.A.  
FCC WARNING  
This equipment may generate or use radio frequency energy. Changes or modifications to this equipment may cause harmful interference  
unless the modifications are expressly approved in the instruction manual. The user could lose the authority to operate this equipment if  
an unauthorized change or modification is made.  
NOTE:  
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.  
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment may  
cause harmful interference to radio communications, if it is not installed and used in accordance with the instructions. However, there is  
no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or  
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interfer-  
ence by one or more of the following measures:  
–– Reorient or relocate the receiving antenna.  
–– Increase the separation between the equipment and receiver.  
–– Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
–– Consult the dealer or an experienced radio / TV technician for help.  
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G-EQ300 (En/K)  
2 7  
:
MEMO  
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For your records  
Record the serial number, found on the back of the unit, in the spaces  
designated on the warranty card, and in the space provided below. Refer  
to the model and serial numbers whenever you call upon your dealer for  
information or service on this product.  
Model  
Serial Number  
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