Kenwood KAC-7252 user manual

Summary of the content on the page No. 1

STEREO/BRIDGEABLE POWER AMPLIFIER
KAC-7252
KAC-7202
INSTRUCTION MANUAL
© B64-3013-00/00 (MV)

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Safety precautions Cleaning the unit 2WARNING If the front panel gets dirty, turn off the power and wipe the panel with a dry To prevent injury or fire, take the following precautions: silicon cloth or soft cloth. • When extending the ignition, battery, or ground wires, make sure to use 2CAUTION automotive-grade wires or other wires with a 8 mm² (AWG 8) or more to prevent wire deterioration and damage to the wire coating. Do not wipe the panel with a hard cloth or a cloth dampened by volatile

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Installation Accessories Part name External View Number of Items Self-tapping screws 4 (ø5 × 18 mm) Terminal cover (Power terminal) 1 Speaker level input cable 1 Hexagon Wrench 1 KAC-7252 only Part name External View Number of Items Remote cable 1 Remote controller 1 Mounting bracket 1 Self-tapping screws 2 (ø2.6 × 12 mm) NOTE • The rear side cover is fixed and cannot be Installation procedure removed. Since there are large variety of settings and connections possible according to appl

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Connection 2WARNING ■ RCA cable or Speaker level input connection To prevent fire caused by a short in the wiring, • RCA cable Connections connect a fusible link or breaker nearby the battery’s positive terminal. Power control wire 2CAUTION CENTER UNIT RCA cable* • If sound is not output normally, immediately (CD receiver, etc.) turn power off and check connections. • Be sure to turn the power off before changing the setting of any switch. RCA cable ground terminal Left input • If the fuse

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Controls Remote controller (KAC-7252 only) malfunction or damage. ^ OPERATION switch NOTE • Do not connect cables and leads to both RCA This switch is used to select the operation mode The control panel locates under the front side cable input jacks and the speaker level input of the amplifier. cover. Remove the cover to access to its controls terminals simultaneously, for this may cause • STEREO position: for adjustment. (See page 3) malfunction or damage. The amplifier

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System examples ■ 2-channel system ■ High-power 2-channel subwoofer system Left subwoofer (Bridged) Left speaker CENTER UNIT CENTER UNIT Right speaker Right subwoofer (Bridged) ■ 2-channel + Subwoofer system Left speaker (High pass) CENTER UNIT Right speaker (High pass) Subwoofer (L + R) (Bridged) ■ Tri-mode Principle of Tri-mode Subwoofer (High pass) Method of frequency band division using a coil and capacitor…in case of 6dB/oct. slope. (L + R) (Bridged) Coil (L

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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 disconnected. • Connect the input (or output) cables. (No sound from one side.) • Protection circuit may be activated. • Check connections by referring to . (Blown fuse.) • Volume is too high.

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