cables. • Protection circuit may be • Check connections by referring activated. to . (Blown fuse.) • 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 Adjust the control correctly small (or too large). control is not set to the correct referring to . position. The sound quality is bad. • The speakers wire are • Connect them properly checking (The sound is distorted.) connected with wrong + / the + / -of the terminals and polarity. wires well. • A speaker wire is pinched by a • Connect the speaker wire again screw in the car body. so that it is not pinched by anything. • The switches may be set • Set switches properly by improperly. referring to . Specifications Specifications subject to change without notice. Audio Section Max Power Output ..............................................................................................................................................250 W Rated Power Output (4 .) Normal (20 Hz – 20 kHz, 0.08% THD) ..........................................................................................................40 W . 2 Bridge (1kHz, 0.8% THD) ...........................................................................................................................120 W . 1 Rated Power Output (2 .) Normal (1 kHz, 0,8 % THD) ..........................................................................................................................60 W . 2 Frequency Response (+0, –1 dB).............................................................................................................5 Hz – 50 kHz Signal to Noise Ratio...........................................................................................................................................100 dB Sensitivity (MAX) (rated output) .............................................................................................................................0.2 V (MIN) (rated output) ..............................................................................................................................5.0 V Input Impedance...................................................................................................................................................10 k. Low Pass Filter (12 dB/oct.) ..................................................................................................................................80 Hz General Operating Voltage (11 – 16 0V allowable) ............................................................................................................14.4 V Current Consumption ............................................................................................................................................16 A Dimensions (W . H . D) .................................................................................................................250 . 52 . 160 mm (9-13/16 . 2-1/16 . 6-5/16 inch) Weight ....................................................................................................................................................2.1 kg (4.6 lbs) ¦ Wiring Safety precautions • If a buzzing noise is heard from the speakers when the engine is running, connect a line noise 2WARNING filter (optional) to each of the battery wire. To prevent injury or fire, take the following • Do not allow the wire to directly contact the edge precautions: of the iron plate by using Grommets. • When extending the ignition, battery, or ground • Connect the ground wire to a metal part of the wires, make sure to use automotive-grade wires or car chassis that acts as an electrical ground other wires with a 3mm2 (AWG12) or more to passing electricity to the battery‘s negative prevent wire deterioration and damage to the wire terminal. Do not turn the power on if the ground coating. wire is not connected. • Be sure to install a protective fuse in the power metallic objects (such as coins or metal tools) inside • To prevent a short circuit, never put or leave any cord near the battery. The protective fuse should be the same capacity as the unit’s fuse capacity the unit. or somewhat larger. • If the unit starts to emit smoke or strange smells, • For the power cord and ground, use a vehicle turn off the power immediately and consult your type (fireproof) power wring cord with a current Kenwood dealer. capacity greater than the unit’s fuse capacity. • Do not touch the unit during use because the surface (Use a power wiring cord with a diameter of 3 of the unit becomes hot and may cause burns if mm2 (AWG 12) or greater.) touched. • When more than one power amplifier are going to be used, use a power supply wiring wire and 2CAUTION protective fuse of greater current-handling To prevent damage to the machine, take the capacity than the total maximum...
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