Kenwood Stereo Amplifier KAC PS500F User Manual

KAC-PS500F  
4-CHANNEL POWER AMPLIFIER 7 Page 2-13  
INSTRUCTION MANUAL  
AMPLIFICATEUR DE PUISSANCE 4 CANAUX 7 Page 14-25  
MODE D’EMPLOI  
4-KANAL-ENDSTUFE 7 Page 26-37  
BEDIENUNGSANLEITUNG  
4-KANAALS-EINDVERSTERKER 7 Page 38-49  
GEBRUIKSAANWIJZING  
AMPLIFICATORE DI POTENZA A 4 CANALI 7 Page 50-61  
ISTRUZIONI PER L’USO  
AMPLIFICADOR DE POTENCIA DE 4 CANALES 7 Page 62-73  
MANUAL DE INSTRUCCIONES  
AMPLIFICADOR DE POTÊNCIA DE 4 CANAIS 7 Page 74-85  
MANUAL DE INSTRUÇÕES  
LA DICHIARAZIONE DI CONFORMITA' "CE"  
DI QUESTO PRODOTTO E' DEPOSITATA  
PRESSO:  
KENWOOD ELECTRONICS EUROPE B.V.  
AMSTERDAMSEWEG 37  
1422 AC UITHOORN  
THE NETHERLANDS  
© B64-1215-00 (EM)  
 
Controls  
vibrations that do not result in sound and  
improves the speakers’ ability to reproduce  
sound. Note that the speaker output will  
automatically be set for monaural (L+R)  
sound.  
This is a 4 channel amplifier including 2 stereo amplifiers in a body. One amplifier is  
referred to as amplifier A and the other is amplifier B. This unit is compatible with  
a large variety of systems by combining the switches and functions described in  
the following.  
% Ground terminal  
^ Amplifier A speaker output  
terminals  
& Amplifier B speaker output  
terminals  
9 INPUT SELECTOR switch  
This switch selects the input method of the  
signals to be amplified by amplifiers A and  
B.  
1
2 3 4 5 6  
SPEAKER OUTPUT terminals  
• Stereo Connections:  
When you wish to use the unit as a  
stereo amplifier, stereo connections are  
used.  
CONTROL  
2
LINE IN  
LINE OUT  
A +  
CONTROL  
A
B
15Hz  
15Hz  
OFF 25Hz  
MONO  
A
B
B
A B position:  
Amplifies both of the signals input to  
amplifiers A and B.  
A position:  
Amplifies only signal input amplifier A with  
both amplifiers A and B.  
OFF 25Hz  
2
5
1
1
3
L
0.5  
3
0.5  
GND  
L
INFRASONIC  
100 120  
INFRASONIC  
4
4
P.CON(REMOTE)  
120  
100 100  
150  
120  
(MIN)  
(MAX)  
(MIN)  
5
0.2  
(MAX)  
0.2  
100  
70  
INPUT  
INPUT  
The speakers to be connected should  
have an impedance of 2or greater.  
When multiple speakers are to be  
connected, ensure that the combined  
impedance is 2or greater for each  
channel.  
FILTER  
120150  
150  
FILTER  
OFF  
HPF LPF  
SENSITIVITY(V)  
SENSITIVITY(V)  
70  
150  
OFF  
HPF LPF  
R
STEREO MONO  
OPERATION  
A
B
A
R
STEREO MONO  
70  
170  
50 LPF 200  
50 HPF 200  
70  
170  
50 LPF 200  
50 HPF 200  
INPUT  
OPERATION  
FREQUENCY(Hz)  
FREQUENCY(Hz)  
SELECTOR  
CONTROL  
CONTROL  
2
B
A
15Hz  
OFF 25Hz  
15Hz  
0 OPERATION switch  
2
OFF 25Hz  
1
7
8
1
The amplification methods of the signals  
input to amplifiers A and B can be selected  
independently according to the setting of  
this switch.  
3
3
4
0.5  
(MAX)  
0.5  
• Bridged Connections:  
INFRASONIC  
100 120  
INFRASONIC  
4
120  
100 150  
120  
When you wish to use the unit as a high-  
output monaural amplifier, bridged  
connections are used. (Make connections  
to the LEFT channel (+) and the RIGHT  
channel (-) SPEAKER OUTPUT terminals.)  
The speakers to be connected should  
have an impedance of 4or greater.  
When multiple speakers are to be  
connected, ensure that the combined  
impedance is 4or greater.  
(MIN)  
(MIN)  
(MAX)  
5
0.2  
INPUT  
SENSITIVITY(V)  
5
0.2  
100  
70  
100  
INPUT  
FILTER  
FILTER  
OFF  
HPF LPF  
120150  
SENSITIVITY(V)  
STEREO MONO  
150  
70  
150  
OFF  
HPF LPF  
A
B
A
STEREO MONO  
• STEREO position:  
The amplifier can be used as a stereo  
amplifier.  
• MONO (Lch) position:  
Amplifies the signal input from the left side  
only. Set to this position and make bridged  
connections to use as a high-power  
monaural amplifier. (The input right signal is  
not output.)  
70  
70  
170  
50 LPF 200  
50 HPF 200  
170  
50 LPF 200  
50 HPF 200  
OPERATION  
OPERATION  
INPUT  
SELECTOR  
Amplifier A  
Amplifier B  
9 0 ! @  
$ %  
#
^
&
* (  
2CAUTION  
The rated input of the speakers should be  
no less than the maximum output of the  
amplifier. Otherwise malfunction may  
result.  
SPEAKER OUTPUT  
! FILTER switch  
A
B
Σ
SERVO FEED BACK  
Ι
LEFT  
BRIDGED  
RIGHT  
FUSE(20A×4)  
This switch allows to apply high-pass or  
low-pass filtering to the speaker outputs.  
A
A
B
BATT.  
GND  
• HPF (High-Pass Filter) position:  
The filter outputs the band of higher  
frequencies than the frequency set with  
the HPF FREQUENCY control.  
• OFF position:  
The entire bandwidth is output without  
filtering.  
• LPF (Low-Pass Filter) position:  
The filter outputs the band of lower  
frequencies than the frequency set with  
the LPF FREQUENCY control.  
The speaker output is automatically turned  
monaural (L+R) and the bass boost  
function is activated.  
B
* Amplifier A SIGMA SERVO I  
FEED BACK terminals (See p.7)  
( Amplifier B SIGMA SERVO I  
FEED BACK terminals (See p.7)  
1 Cooling fans  
6 Power control (REMOTE) terminal  
2CAUTION  
When the internal temperature of the  
amplifier rises, the cooling fans are  
activated automatically to drop the  
temperature. In certain situations, the  
cooling fans may be operating from the  
beginning of the amplifier operation.  
7 INPUT SENSITIVITY control  
Adjust this control according to the pre-out  
level of the center unit connected to this  
amp.  
The SIGMA SERVO FEEDBACK terminals  
should be connected properly. Failure to  
connect them properly will be the cause of  
breakdown.  
The sensitivities of amplifiers A and B can  
be adjusted independently regardless of  
the position of the input selector switch.  
2 RCA cable ground lead terminal  
3 Amplifier A LINE IN terminal  
4 Amplifier B LINE IN terminal  
NOTE  
@ FREQUENCY control  
Refer to “Specifications” on the center  
unit’s instruction manual about the pre-out  
level.  
When the FILTER switch is set to the HPF  
(High-Pass Filter) or LPF (Low-Pass Filter)  
position, the threshold frequency can be  
adjusted with this control.  
5 LINE OUT terminal  
These jacks output respectively the signals  
input to amplifiers A and B. They always  
output the stereo signals regardless of the  
position of the OPERATION switch.  
8 INFRASONIC FILTER FREQUENCY  
switch  
# Fuse (20 A × 4)  
$ Battery terminal  
When this switch is set to 15 Hz or 25 Hz,  
frequencies below the setting value will be  
cut. This serves to get rid of unwanted  
4 English  
English 5  
 
Power indicator  
Sigma servo feed back  
The sound reproduced through conventional amplifiers is distorted due to the counterelectromotive  
force produced in the oscillating system of the speaker. The counterelectromotive force is  
particularly high with the woofer which requires a large drive mass.The sigma servo connection  
reduces distortion caused by the counterelectromotive force by including the circuit up to the  
speaker terminals in the negative feedback loop. This makes it possible to drive speakers with  
more fidelity to the input signals and create a sharp bass sound image with few feeling of noise  
interference.  
Power indicator:  
Power indicator  
This lamp indicates the status of the unit,  
including the power supply and protection  
function, by lighting in red, amber or green or  
turning off.  
When power is turned ON, it lights in green  
for a few seconds, then turns red when  
normal operation starts.  
The aforementioned effects will not be obtained when the sigma servo connection has not been  
made.  
NOTE  
The protection function is activated in the following situations:  
This unit incorporates a protection function which protects the main unit and speakers from  
troubles. The unit stops to function when the protection function is activated.  
The speaker cable and the sigma servo cable should be wired to run along the same route. Note  
that this wiring should be separated from the power supply cable.  
If the POWER INDICATOR lights in green:  
• A speaker cable may be short-circuited.  
2CAUTION  
• The SIGMA SERVO FEEDBACK terminals should be connected properly. Failure to connect  
them properly will be the cause of breakdown.  
• The rated input of the speakers connected to this unit should be no less than the maximum  
output of the amplifier. Otherwise malfunction may result.  
• A speaker output may be in contact with the ground.  
• The temperature of the internal parts may be higher than 120°C (248°F)  
• The sigma servo connection may be erroneous.  
• The fuse of this unit may be blown.  
Be specially careful in this when connecting speakers in a parallel configuration.  
• Speakers that are to be used for bridged connections to this unit should have an impedance of  
4or greater. When connecting multiple speakers, ensure that the combined impedance is 4Ω  
or greater. Connection of speakers of less than 4will be the cause of breakdown.  
• The unit may be malfunctioning and sending DC signal to the speaker output.  
If the POWER INDICATOR does not light up:  
• The grounding cable of this unit may not be connected with a metallic part which is  
electrically connected with the negative terminal of the battery.  
• The power control cable may not be connected to this unit.  
• The grounding cable of the center unit (cassette receiver, CD receiver, etc.) may not be  
connected with a metallic part which is electrically connected with the negative terminal of  
the battery.  
Basic sigma servo connection  
Series connection  
L
BRIDGED  
L
BRIDGED  
• The fuse of this unit may be blown.  
R
R
Drop in supply voltage (If the POWER INDICATOR lights or blinks in  
amber):  
Σ SERVO Ι  
FEED BACK  
Σ SERVO Ι  
FEED BACK  
When the power supply voltage drops below 11.5 V, the POWER INDICATOR lights in amber.  
If the POWER INDICATOR blinks or lights in amber, check the following items and make sure  
to supply enough power to this unit.  
2CAUTION  
Make this cable as short as possible.  
• Is the battery cable too thin to supply enough power?  
• Is the battery cable deteriorated?  
• Is the battery exhausted?  
Parallel connection (1)  
Parallel connection (2)  
L
2CAUTION  
BRIDGED  
L
BRIDGED  
Do not use thin or deteriorated cables for this may cause heat generation or burn. The cable  
used should be thick enough (5 mm2 or more) to supply power.  
R
R
Σ SERVO Ι  
FEED BACK  
Σ SERVO Ι  
FEED BACK  
2CAUTION  
2CAUTION  
The speaker cables connected to this unit  
should be thick enough to supply the  
current capacity of two speakers.  
This connection is possible only when the  
speakers are identical and the speaker cables  
are also of the same type and length.  
Combined Impedance  
Refer to the diagrams below and ensure that the combined impedance is 2or greater for  
stereo connections and 4or greater for bridged connections.  
Stereo Connections When the Aforementioned Connections Are Not  
Possible  
Basic connection  
Series connection  
Parallel connection  
L
L
BRIDGED  
BRIDGED  
L
R
4  
R
BRIDGED  
4 Ω  
R
Σ SERVO Ι  
4 Ω  
4 Ω  
Σ SERVO Ι  
FEED BACK  
FEED BACK  
4 Ω  
4 Ω  
Σ SERVO Ι  
FEED BACK  
8 Ω  
2
Ω  
6 English  
English 7  
 
Connection  
Power and Speakers cable connection (Stereo Connections)  
Bridged Connections  
ALINE IN (Front)  
A Bridged  
CENTER UNIT  
(Cassette receiver,  
CD receiver, etc.)  
RCA cable (Commercially  
available part)  
Σ
Σ
Power control cable  
(Commercially  
available part)  
SPEAKER OUTPUT  
A
B
Σ
SERVO  
A
Ι
FEED BACK  
LEFT  
BRIDGED  
RIGHT  
FUSE(20A×4)  
BLINE IN (Rear)  
A
B
BATT.  
GND  
B
B Left input (White)  
Power control (REMOTE)  
lead terminal  
Σ
Σ
A Left input (White)  
CONTROL  
2
LINE IN  
LINE OUT  
CONTROL  
A
B
15Hz  
15Hz  
OFF 25Hz  
MONO  
B
A
+
B
OFF 25Hz  
2
5
1
1
B Bridged  
3
L
0.5  
3
0.5  
GND  
L
INFRASONIC  
100 120  
INFRASONIC  
4
4
P.CONREMOTE)  
120  
100 100 150  
120  
(MIN)  
(MAX)  
(MIN)  
5
0.2  
(MAX)  
0.2  
100  
70  
INPUT  
INPUT  
FILTER  
120150  
150  
FILTER  
OFF  
HPF LPF  
SENSITIVITY(V)  
SENSITIVITY(V)  
70  
150  
OFF  
HPF LPF  
R
STEREO MONO  
OPERATION  
A
B
A
R
STEREO MONO  
Connection Precautions  
70  
170  
50 LPF 200  
50 HPF 200  
70  
170  
50 LPF 200  
50 HPF 200  
INPUT  
OPERATION  
FREQUENCY(Hz)  
FREQUENCY(Hz)  
SELECTOR  
Power terminal  
2WARNING  
Pass battery and ground cables through supplied  
terminal cover and connect to respective  
terminals. After completing connections, fasten  
terminal cover over terminal bracket.  
B Right input (Red)  
A Right input (Red)  
To prevent fire caused by a short in the  
wiring, connect a fusible link or breaker  
nearby the battery’s positive terminal.  
Front left  
speaker  
Front right  
speaker  
NOTE  
Round terminal (Medium)  
Connect the ground cable to a metal part of  
the car chassis that acts as an electrical  
ground passing electricity to the battery‘s  
negative - terminal. Do not turn the power  
on if the ground cable is not connected.  
Σ
Σ
SPEAKER OUTPUT  
A
B
Σ
SERVO  
A
Ι
FEED BACK  
LEFT  
BRIDGED  
RIGHT  
FUSE(20A×4)  
A
B
BATT.  
GND  
B
RCA cable ground terminal  
Power control lead terminal  
When using an RCA cable with  
a ground lead attached, connect  
the ground lead to this terminal.  
Connect the Center units's power  
control lead from the center unit.  
Σ
Σ
Rear right  
speaker  
Terminal cover  
2CAUTION  
Round terminal  
(Small)  
Rear left  
speaker  
Do not use this terminal for power source  
grounding. This unit will be damaged if the  
power source grounding wire is connected to  
this terminal.  
Battery cable (Commercially  
available part)  
Ground cable (Commercially available part)  
• If a buzzing noise is heard from the speakers when the engine is running,  
connect a line noise filter (optional) to each of the battery cable.  
• Do not allow the cord to directly contact the edge of the iron plate by using  
Grommets.  
2CAUTION  
Speaker Output/Sigma Servo  
Feedback Terminals  
• Speakers that are to be used for stereo connections to  
this unit should have an impedance of 2or greater.  
When connecting multiple speakers, ensure that the  
combined impedance is 2or greater. Connection of  
speakers of less than 2will be the cause of breakdown.  
• Speakers that are to be used for bridged connections to  
this unit should have an impedance of 4or greater.  
When connecting multiple speakers, ensure that the  
combined impedance is 4or greater. Connection of  
speakers of less than 4will be the cause of breakdown.  
Connect the speaker output  
cables to these terminals.  
Round terminal (Large)  
Fire wall  
Lead terminal  
(Commercially  
available part)  
Grommets  
+
-
Battey  
8 English  
English 9  
 
System examples  
By combining the switches and functions of the KAC-PS500F, you can implement a wide  
range of audio system configurations.  
Tri-mode  
With the KAC-PS500F, a subwoofer can be added easily to the speaker system by marking  
use of the properties of coils and capacitors. This mode of operation is called Tri-mode.  
Full-range 4-channel + Subwoofer system  
CONTROL  
2
A
15Hz  
L
L
CONTROL  
A
A
B
OFF 25Hz  
1
L
15Hz  
C
BRIDGED  
Front  
speaker  
2
OFF 25Hz  
LINE IN  
1
3
0.5  
L
R
A
B
INFRASONIC  
100 120  
R
4
L
3
0.5  
BRIDGED  
INFRASONIC  
(MIN)  
LINE IN  
(MAX)  
5
0.2  
C
4
100  
70  
INPUT  
R
FILTER  
120150  
150  
(MIN)  
(MAX)  
5
0.2  
R
Σ SERVO Ι  
SENSITIVITY(V)  
CENTER UNIT  
100 120  
120150  
150  
OFF  
100  
70  
INPUT  
FEED BACK  
FILTER  
OFF  
HPF LPF  
HPF LPF  
SENSITIVITY(V)  
STEREO MONO  
Σ SERVO Ι  
CENTER UNIT  
STEREO MONO  
L
70  
FEED BACK  
170  
50 LPF 200  
50 HPF 200  
L
OPERATION  
A
B
A
L
70  
170  
50 LPF 200  
50 HPF 200  
C
C
Rear  
speaker  
BRIDGED  
LINE IN  
OPERATION  
A
B
A
L
R
INPUT  
SELECTOR  
R
CONTROL  
L
B
BRIDGED  
15Hz  
LINE IN  
INPUT  
SELECTOR  
CONTROL  
B
2
1
OFF 25Hz  
L
R
15Hz  
R
Σ SERVO Ι  
LINE OUT  
2
1
OFF 25Hz  
3
4
0.5  
A
B
FEED BACK  
+
R
INFRASONIC  
L
3
4
0.5  
Σ SERVO Ι  
120  
100 150  
120  
LINE OUT  
INFRASONIC  
(MIN)  
(MAX)  
5
0.2  
100  
70  
A
B
FEED BACK  
+
INPUT  
R
L
120  
100 150  
120  
FILTER  
OFF  
(MIN)  
(MAX)  
5
0.2  
SENSITIVITY(V)  
STEREO MONO  
150  
100  
70  
LINE IN  
INPUT  
Subwoofer  
(High pass)  
FILTER  
OFF  
HPF LPF  
SENSITIVITY(V)  
STEREO MONO  
150  
R
Subwoofer  
(L + R)  
(Bridged)  
HPF LPF  
70  
(High pass)  
Amplifier  
170  
50 LPF 200  
50 HPF 200  
OPERATION  
70  
170  
50 LPF 200  
50 HPF 200  
OPERATION  
High-pass (100 Hz) + Subwoofer (100 Hz) system  
CONTROL  
2
A
Principle of Tri-mode  
15Hz  
L
A
B
OFF 25Hz  
1
L
BRIDGED  
Method of frequency band division using a coil and capacitor•••in case of 6dB/oct. slope  
LINE IN  
3
0.5  
R
INFRASONIC  
100 120  
R
4
(MIN)  
(MAX)  
5
0.2  
Coil (L): Passes low frequencies and blocks high  
100  
70  
INPUT  
FILTER  
120150  
150  
Crossover Frequency  
Σ SERVO Ι  
SENSITIVITY(V)  
CENTER UNIT  
OFF  
frequencies. (Low pass)  
FEED BACK  
HPF LPF  
0 dB  
-3 dB  
STEREO MONO  
Capacitor (C): Passes high frequencies and blocks low  
70  
170  
50 LPF 200  
50 HPF 200  
L
Subwoofer  
(L + R)  
(Bridged)  
OPERATION  
A
B
A
L
frequencies. (High pass)  
BRIDGED  
LINE IN  
R
INPUT  
SELECTOR  
R
CONTROL  
L
B
159000  
C
15Hz  
C=  
L=  
(µF)  
2
1
OFF 25Hz  
L
fc x R  
159 x R  
fc  
fc=Cut of Frequency (Hz)  
R=Speaker Impedance ()  
Σ SERVO Ι  
LINE OUT  
3
4
0.5  
Frequency  
A
B
FEED BACK  
+
R
INFRASONIC  
(mH)  
120  
100 150  
120  
(MIN)  
(MAX)  
5
0.2  
100  
70  
INPUT  
FILTER  
OFF  
SENSITIVITY(V)  
STEREO MONO  
150  
HPF LPF  
Example:  
70  
When it is required to set a crossover frequency of 120 Hz using speakers with an  
impedance of 4 ohms.  
170  
50 LPF 200  
50 HPF 200  
OPERATION  
Prepare commercially-available coil and capacitor with the closest ratings to the results calculated  
from the formula above. The capacitor rating should be as close as possible to 331.25 (µF) and  
the coil rating should be as close as possible to 5.3 (mH).  
High-power 2-channel system  
CONTROL  
2
A
15Hz  
OFF 25Hz  
Left  
speaker  
L
A
B
1
L
BRIDGED  
LINE IN  
3
0.5  
R
INFRASONIC  
100 120  
2CAUTION  
R
4
(MIN)  
(MAX)  
5
0.2  
100  
70  
INPUT  
Be sure to connect a capacitor to the high-pass speaker. Failure to connect a capacitor will result  
in a drop of the combined impedance with the woofer.  
FILTER  
OFF  
120150  
150  
Σ SERVO Ι  
CENTER UNIT  
SENSITIVITY(V)  
FEED BACK  
HPF LPF  
STEREO MONO  
70  
170  
50 LPF 200  
50 HPF 200  
L
Right  
speaker  
OPERATION  
A
B
A
L
BRIDGED  
LINE IN  
R
INPUT  
SELECTOR  
R
CONTROL  
B
15Hz  
2
1
OFF 25Hz  
L
Σ SERVO Ι  
LINE OUT  
+
3
4
0.5  
A
B
FEED BACK  
R
INFRASONIC  
120  
100 150  
120  
(MIN)  
(MAX)  
5
0.2  
100  
70  
INPUT  
FILTER  
OFF  
SENSITIVITY(V)  
STEREO MONO  
150  
HPF LPF  
70  
170  
50 LPF 200  
50 HPF 200  
OPERATION  
10 English  
English 11  
 
Troubleshooting guide  
Specifications  
Often, what appears to be a malfunction is due to user error. Before  
calling for service, please consult the following table.  
Specifications subject to change without notice.  
Audio Section  
Symptom  
Cause  
Remedy  
Max Power Output (4 )  
4 Channel Mode........................................................................................................150 W × 4  
3 Channel Mode ..................................................................................150 W × 2 + 600 W × 1  
2 Channel Mode........................................................................................................600 W × 2  
No sound.  
(No sound from one side.)  
• Input (or output) cables are  
disconnected.  
• The connection of the sigma  
servo terminals is wrong.  
• Protection circuit may be  
activated.  
• The fuse may be blown  
because the volume was too  
high.  
• Connect the input (or output)  
cables.  
• Check the connection referring  
to "Sigma servo feedback".  
• Check connections by referring  
to "Power indicator".  
Rated Power Output (4 ) (+B = 12.0 V)  
4 Channel Mode ..................................................................50 W × 4 (DIN45324, +B=12.0 V)  
3 Channel Mode..................50 W × 2 (1 kHz, 0.05 % THD) + 200 W × 1 (1 kHz, 0.5 % THD)  
2 Channel Mode........................................................................200 W × 2 (1 kHz, 0.5 % THD)  
Rated Power Output (2 ) (+B = 12.0 V)  
• Replace the fuse with a new  
fuse and use a lower volume.  
4 Channel Mode........................................................................100 W × 4 (1 kHz, 0.5 % THD)  
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”.  
Rated Power Output (4 ) (+B = 14.4 V)  
4 Channel Mode ..................................................................75 W × 4 (DIN45324, +B=14.4 V)  
3 Channel Mode..................75 W × 2 (1 kHz, 0.05 % THD) + 300 W × 1 (1 kHz, 0.5 % THD)  
2 Channel Mode........................................................................300 W × 2 (1 kHz, 0.5 % THD)  
Rated Power Output (2 ) (+B = 14.4 V)  
The sound quality is bad.  
(The sound is distorted.)  
• The speakers cable are  
connected with wrong + / -  
polarity.  
• Connect them properly checking  
the + / - of the terminals and  
cables well.  
4 Channel Mode........................................................................150 W × 4 (1 kHz, 0.5 % THD)  
• A speaker cable is pinched by a • Connect the speaker cable again  
Frequency Response (+0, –1 dB) ............................................................................5 Hz ~ 50 kHz  
Total Harmonic Distortion (Rated power)# ............................................................0.010 % (1 kHz)  
Signal to Noise Ratio............................................................................................................110 dB  
Sensitivity (rated output) (MAX)..............................................................................................0.2 V  
Sensitivity (rated output) (MIN) ..............................................................................................5.0 V  
Input Impedance....................................................................................................................10 kΩ  
Damping Factor..............................................................................More than 1000 (at connect)  
Low Pass Filter Frequency (24 dB/oct.) (Variable) ......................................................50 ~ 200 Hz  
High Pass Filter Frequency (12 dB/oct.) (Variable) ......................................................50 ~ 200 Hz  
screw in the car body.  
so that it is not pinched by  
anything.  
• The switches may be set  
improperly.  
• Set switches properly by  
referring to "Controls" and  
"System examples".  
Infrasonic Filter Frequency (24 dB/oct.)..........................................................................15 / 25 Hz  
# Sensitivity = Mini. , Through LPF (30 kHz)  
General  
Operating Voltage ..............................................................................12.0 V (11 ~ 16 V allowable)  
Current Consumption (4 , +B = 12.0 V, 10% THD) ..............................................................42 A  
Dimensions (W × H × D) ................................................................................272 × 58 × 450 mm  
Weight ..................................................................................................................................7.0 kg  
12 English  
English 13  
 

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