Troubleshooting Guide
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. | • | Input (or output) cables are | • | Connect the input (or output) cables. |
(No sound from one side.) |
| disconnected. |
|
|
(Blown fuse.) | • | Protection circuit may be activated. | • | Check connections by referring to |
|
|
|
| <Protection function>. |
| • Volume is too high. | • Replace the fuse and use lower | ||
|
|
|
| volume. |
| • The speaker cord is shorted. | • After check the speaker cord and fixing | ||
|
|
|
| the cause of the short, replace the fuse. |
The output level is too | • | The input sensitivity adjusting control | • | Adjust the control correctly referring to |
small (or too large). |
| is not set to the correct position. |
| <Controls>. |
The sound quality is bad. | • The speakers wire are connected with | • Connect them properly checking the | ||
(The sound is distorted.) |
| wrong 9 / · polarity. |
| 9 / · of the terminals and wires well. |
| • A speaker wire is pinched by a screw | • Connect the speaker wire again so that | ||
|
| in the car body. |
| it is not pinched by anything. |
| • The switches may be set improperly. | • Set switches properly by referring to | ||
|
|
|
| <Controls>. |
Specifications
Primary Power Output Ratings |
|
|
(RMS Watts per channel @ 4 ohms, 1 % THD+N)....................................... | 60 W × 4 | 40 W × 4 |
Signal to Noise Ratio (Reference: 1Watt into 4 ohms)...................................... | 80 dBA | 80 dBA |
Audio Section....................................................................... |
| |
Max Power Output ..................................................................................... | 720 W (180 W × 4) | 500 W (125 W × 4) |
Rated Power Output |
|
|
Normal (4 Ω) (20 Hz – 20 kHz, 1 % THD)............................................... | 60 W × 4 | 40 W × 4 |
Normal (4 Ω) (DIN : 45324 , +B = 14.4V)................................................ | 60 W × 4 | 40 W × 4 |
Normal (2 Ω) (1 kHz, 1 % THD).................................................................... | 90 W × 4 | 60 W × 4 |
Bridged (4 Ω) (1 kHz, 1 % THD)................................................................. | 180 W × 2 | 130 W × 2 |
Frequency Response (+0, | 5 Hz – 50 kHz | 5 Hz – 50 kHz |
Sensitivity (rated output)........................................................................................ | 0.2 V – 5.0 V | 0.2 V – 5.0 V |
Signal to Noise Ratio............................................................................................................... | 94 dB | 94 dB |
Input Impedance..................................................................................................................... | 10 kΩ | 10 kΩ |
Low Pass Filter Frequency | 50 – 200 Hz (variable) | 50 – 200 Hz (variable) |
High Pass Filter Frequency | 80 Hz | 80 Hz |
General ................................................................................. |
|
|
Operating Voltage .................................................................... | 14.4 V (11 – 16 V allowable) | 14.4 V (11 – 16 V allowable) |
Current Consumption .............................................................................................................. | 36 A | 19 A |
Dimensions (W × H × D) ....................................................................... | 330 × 59 × 230 mm | 330 × 59 × 230 mm |
| 13 × | 13 × |
Weight ......................................................................................................................... | 2.9 kg (6.4 lbs) | 2.7 kg (5.9 lbs) |
• Specifications subject to change without notice.
8English