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TROUBLE SHOOTING GUIDE

Maximum input level
Maximum speaker level input
Maximum output level
Input gain
Frequency response
Total harmonic distortion
Signal to Noise ratio
Balanced input noise rejection
Input Impedance
Output Impedance
Equalization Cut/ Boost
Power supply
Power draw
Recommended fuse rating
Size 
Weight 

15V rms

100 watts

10V rms

18dB

10Hz-20KHz; +/- 1dB

0.003%
< 110dB

60dB

20K Ohms

150 Ohms

+/- 12dB

High headroom PWM switching

500mA

2 Amp

8.8  W x 9.3   D x 1.3  H

3.25 lbs

SPECIFICATIONS

1. NOT WORKING
Check all fuses
Check all power(positive,remote)wire connections
Check that ground wire is properly connected
2. LED POWER ON INDICATOR NOT GOING ON:
Same as sign 1 remedy
3. SOUND DISTORTION AT LOW VOLUME LEVEL
Output level not set correctly
4. LEVEL OF SOUND IS LOW:
Check the RCA patch cords for loose ormisconnected cable
5. A WHINING SOUND CAN BE HEARD THROUGH THE SPEAKERS AT LOW
VOLUME LEVEL WITH RUNNING ENGINE:
Check the power wire(red) with good connection directly to the battery
and ground point must make good contact with chassis ground.
Check the input grounding jumper or ground insolation selector inside.

Summary of Contents for KEQ20

Page 1: ...6 WAY graphic equalizer KEQ20 USER S MANUAL 20 BAND EQUALIZER FRONT REAR SUBWOOFER LINE DRIVER SPEAKER LEVEL OUTPUT ...

Page 2: ...it is placed too close to the car radio or any vehicle wires an interference may occur in this case separate the unit from the car radio and power wires Precautions Dual bandwidth Equalization Car interiors vary widely in size and acoustic make up The addition interior design don t make the best location for speaker placement causing your high performance speaker system to sound not as good as it ...

Page 3: ...e manufacturer will probably require you to decrease the signal level 3 Equalization Controls Each of these knobs control the audio spectrum They can be adjusted the audio output to suit your personnel taste 4 Output Level Controls Although your has the ability to increase your signal voltage to 13 volts peak your amplifiers may not necessarily accept that much signal These controls allow you to r...

Page 4: ...ake sure your system is turned OFF before you move these jumpers Installation A Placement Mounting of the KEQ20 Placement The KEQ20 needs to be installed in the signal path after your source unit but definitely before your amplifiers and or any active crossovers The chassis is usually mounted in the rear of the vehicle close to the amplifiers as possible Mounting Once you have selected a permanent...

Page 5: ... fused at 2 amp Ground Connection Use the same gauge wire as you did for the positive connector and run it from the Ground connector on the KEQ20 to a chassis ground with the length be as short as possible to ensure a good ground connection Figure 3 Side view of KEQ20 Remote In Front Output Remote Out Power 12V Ground Connectors Crossover Rear Front Speakers Rear Speakers Sub woofers System 1 Some...

Page 6: ... 5 Some Example of System Configuration Rear Front Speakers Rear Speakers Sub woofers System 2 Front Subwoofer Rear Front Speakers Rear Speakers System 3 Front ...

Page 7: ...Gain control until the Overload LED begins to flicker steadily with the music Do the same for the Rear Input and Subwoofer Input Important Note For Four Channel Or Speaker Level Input Users If you are only using the Front or Rear or Speaker Level inputs you will find that the subwoofer equalization now works on the rear channels Therefore the Rearinput gain is actually controlled by the Subwoofer ...

Page 8: ...0mA 2 Amp 8 8 W x 9 3 D x 1 3 H 3 25 lbs SPECIFICATIONS 1 NOT WORKING Check all fuses Check all power positive remote wire connections Check that ground wire is properly connected 2 LED POWER ON INDICATOR NOT GOING ON Same as sign 1 remedy 3 SOUND DISTORTION AT LOW VOLUME LEVEL Output level not set correctly 4 LEVEL OF SOUND IS LOW Check the RCA patch cords for loose ormisconnected cable 5 A WHINI...

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