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Troubleshooting Guide

Specifications

Specifications subject to change without notice.

Audio Section

Max Power Output .........................................................................................................................................................................................................................................1200 W

Rated Power Output (+B = 14.4 V)

 

Normal (4 Ω) (20 Hz – 20 kHz, 0.05 % THD) .................................................................................................................................................................100 W × 4

 

 

(2 Ω) (1 kHz, 0.5 % THD) ........................................................................................................................................................................................150 W × 4

 

Bridged (4 Ω) (1 kHz, 0.5 % THD) .......................................................................................................................................................................................300 W × 2

Frequency Response (+0, –3 dB) ..............................................................................................................................................................................................5 Hz – 50 kHz

Sensitivity (rated output) (MAX.)  .................................................................................................................................................................................................................0.2 V

Sensitivity (rated output)

 (MIN.)  ..................................................................................................................................................................................................................5.0 V

Input Impedance ............................................................................................................................................................................................................................................... 10 kΩ

Signal to Noise Ratio ......................................................................................................................................................................................................................................105 dB

Low Pass Filter Frequency (-12 dB/oct.) ...............................................................................................................................................................50 – 200 Hz (variable)

High Pass Filter Frequency (-12 dB/oct.) .............................................................................................................................................................50 – 200 Hz (variable)

Bass Boost Level (B channel) ........................................................................................................................................................................................0 – +18 dB (variable)

Bass Boost Frequency (B channel) ..........................................................................................................................................................................40 – 100 Hz (variable)

Bass Boost Frequency ...................................................................................................................................................................................................................................................

General

Operating Voltage .............................................................................................................................................................................................. 14.4 V (11 – 16 V allowable)

Current Consumption ........................................................................................................................................................................................................................................64 A

Installation Size (W × H × D) .........................................................................................................................................................................................380 × 66 × 286 mm

Weight .....................................................................................................................................................................................................................................................................4.9 kg

Weight ..................................................................................................................................................................................................................................................................................

What might appear to be a malfunction in your unit may just be the result of slight misoperation or miswiring. Before calling service, first check the following 

table for possible problems.

PROBLEM

POSSIBLE CAUSE

SOLUTION

No sound.

(Blown fuse.)

•  Input (or output) cables are disconnected.

•  Protection circuit may be activated.

•  Volume is too high.

•  The speaker cord is shorted.

•  Connect the input (or output) cables.

•  Check connections by referring to <Protection function>.

•  Replace the fuse and use lower volume.

•  After check the speaker cord and fixing the cause of the short, 

replace the fuse.

The output level is too small 

(or too large).

•  The input sensitivity adjusting control is not set to the correct 

position.

•  Adjust the control correctly referring to <Controls>.

The sound quality is bad.

(The sound is distorted.)

•  The speakers wire are connected with wrong 

ª

 / 

·

 polarity.

•  A speaker wire is pinched by a screw in the car body.

•  The switches may be set improperly.

•  Connect them properly checking the 

ª

 / 

·

 of the terminals 

and wires well.

•  Connect the speaker wire again so that it is not pinched by 

anything.

•  Set switches properly by referring to <Controls>.

KAC-X41_M_1English.indd   7

08.10.21   3:48:39 PM

Summary of Contents for KAC-X41

Page 1: ...KAC X41 FOUR CHANNEL POWER AMPLIFIER INSTRUCTION MANUAL B64 4200 00 00 MV KAC X41_M_1English indd 1 08 10 21 3 48 31 PM ...

Page 2: ...nction is activated in the following situations This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur When the protection function is triggered the PROTECTION indicator lights and the amplifier stops operating When a speaker wire may be short circuited When a speaker output contacts ground When the unit malfunc...

Page 3: ...at to easily dissipate Once installed do not place any object on top of the unit The surface temperature of the amplifier will become hot during use Install the amplifier in a place where people resins and other substances that are sensitive to heat will not come into contact with it This unit has cooling fan to decrease the internal temperature Do not mount the unit in a place where the cooling f...

Page 4: ...re B channel Right speaker Battery wire Protective Fuse CENTER UNIT CD receiver etc RCA cable Left input Right input Battery Bridged Connections B channel Left speaker A channel Right speaker A channel Left speaker B channel Speaker Bridged A channel Speaker Bridged A channel input B channel input Hexagon Wrench Small Hexagon Wrench Large Hexagon Wrench Small Use the attached Hexagon Wrench Use th...

Page 5: ... 0 2 MAX 0 3 0 5 1 2 3 4 MIN 5 BASS BOOST FREQUENCY Hz 70 100 40 90 80 50 60 HPF A ch FILTER LPF HPF INPUT SELECTOR A OPERATION MONO STEREO OFF OFF A ch A B B ch HPF LPF FREQUENCY Hz 200 150 100 70 50 60 INPUT SENSITIVITY V BASS BOOST LEVEL dB HPF LPF FREQUENCY Hz 0 2 MAX 0 3 0 5 200 B ch FILTER LPF 150 100 70 10 18 0 15 2 4 6 50 60 1 2 3 4 MIN 5 Lch INPUT SENSITIVITY V 0 2 MAX 0 3 0 5 1 2 3 4 MIN...

Page 6: ...vel refer to the Specifications in the instruction manual of the center unit HPF LPF FREQUENCY control A ch B ch Sets the cutoff frequency when the FILTER switch is set to HPF or LPF BASS BOOST FREQUENCY control B ch Sets the center frequency around which the low frequency range should be boosted BASS BOOST LEVEL control B ch Sets the level by which the low frequency range should be boosted INPUT ...

Page 7: ...peration or miswiring Before calling service first check the following table for possible problems PROBLEM POSSIBLE CAUSE SOLUTION No sound Blown fuse Input or output cables are disconnected Protection circuit may be activated Volume is too high The speaker cord is shorted Connect the input or output cables Check connections by referring to Protection function Replace the fuse and use lower volume...

Page 8: ...KAC X41_M_1English indd 8 08 10 21 3 48 39 PM ...

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