Руководство по эксплуатации Kenwood KAC-818

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KAC-818
MONO POWER AMPLIFIER
INSTRUCTION MANUAL
© B64-1355-00 (EM)

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Safety precautions 2WARNING NOTE To prevent injury or fire, take the following • If you experience problems during precautions: installation, consult your Kenwood dealer. • When extending the ignition, battery, or • If the unit does not seem to be working ground wires, make sure to use automotive- right, consult your Kenwood dealer. 2 grade wires or other wires with a 5mm Cleaning the unit (AWG10) or more to prevent wire If the front panel gets dirty, turn off the power deterioration and damage

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Installation procedure 1. Remove the ignition key and disconnect the negative - terminal of the battery to prevent short circuits. 2.Set the unit according to the intended usage. 3.Connect the input and output cables of the units. 4.Connect the center unit and this unit according to the required application. 5.Connect the speaker cables and sigma servo feed back cables. 6.Connect the power cable, power control cable and grounding cable following this order. 7. Install the unit in the car. 8.Con

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Controls Operations of the following control and switches are required in accordance with the center unit and speakers connected with this unit. POWER IN FUSE(20A) SERVO ∑ SERVO ∑ SPEAKER OUTPUT BATT GND 20 P.CON(REMOTE) FUSE(20A) 20 45 6 1 2 3 15Hz SPEAKER LEVEL INPUT LPF INPUT OFF 25Hz LEFT RIGHT FREQUENCY(Hz) SENSITIVITY(V) LINE IN 0.5 L R 150 INFRASONIC 100 0.3 1 70 GND 2 MONO 3 POWER AMPLIFIER 4 50 200 5 0.2 7 8 9 0 ! @ 1 FUSE (20 A · 2) 2 Battery terminal 3 Ground terminal 4 Pow

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NOTE For the pre-output level or the maximum power output, refer to the “Specifications” in the instruction manual of the center unit. 0 RCA cable ground lead terminal ! LINE IN terminal @ Speaker level input terminals Power indicator n Power indicator: When the power is turned on, the Power indicator lights. Power indicator If the Power indicator does not light when the power is turned on, the protection function may be activated. Check whether there is any indication of trouble. n The protecti

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Connection n RCA cable connection 2CAUTION Left output (White) CENTER UNIT Do not connect cables and (Cassette receiver, leads to both RCA cable input CD receiver, etc.) jacks and the speaker input Right output (Red) terminals simultaneously, for RCA cable this may cause malfunction (Commercially Power control cable or damage. available part) (Commercially available part) Right input Left input 15Hz SPEAKER LEVEL INPUT LPF INPUT OFF 25Hz FREQUENCY(Hz) SENSITIVITY(V) LINE IN LEFT RIGHT 0.5 L R

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n Power and Speakers cable connection Distribute the speaker cables and sigma Subwoofer servo cables along the same paths. Round terminal (Small) Power control cable (Commercially available part) FUSE(20A) POWER IN ∑ ∑ SERVO SERVO ∑ SPEAKER OUTPUT SPEAKER OUTPUT SERVO SERVO ∑ BATT GND 20 P.CON(REMOTE) FUSE(20A) 20 Power control (REMOTE) lead terminal Terminal cover Round terminal (Medium) Battery cable (Commercially available part) Ground cable (Commercially available part) R

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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 mor

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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) (No sound from one side.) disconnected. cables. • The connection of the sigma • Check the connection referring servo terminals is wrong. to "Sigma servo feed back". • Protection circu