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KAC-726
KAC-526X
POWER AMPLIFIER
INSTRUCTION MANUAL
© B64-1213-00 (EM)
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Safety precautions •Do not open the top or bottom cover. 2WARNING •Do not install the unit in places it is Take the following precautions to exposed to direct sunlight, high heat or prevent fire and avoid personal humidity, water may splash over it, or dust exists. injury : •When extending the battery cable, or NOTE 2 ground cable, use 5mm (AWG10) or larger automotive grade cable to avoid If you have difficulty in installing this unit cable deterioration or damage to the in your vehicle, contact
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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 speaker cables. 5. Connect the power cable, power control cable and grounding cable following this order. 6. Install the unit in the car. 7. Connect the negative - terminal of the battery. 2CAUTION • Be sure to turn the power off before changing the s
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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. SPEAKER LEVEL INPUT OPERATION LEFT RIGHT FILTER STEREO MONO(Lch) OFF LPF LINE IN L R 0.5 0.3 1.0 GND MIN MAX INPUT SENSITIVITY(V) KAC-726 124 3 5 6 KAC-526X POWER IN GND BRIDGED FUSE(20A x 2) BATT P.CON(REMOTE) LEFT RIGHT SPEAKER OUTPUT POWER AMPLIFIER KAC-726 79 8 0 ! POWER IN GND BRIDGED LEFT RIGHT SPEAKER OUTPUT FUSE(15A) BATT P.CON(REMOTE) POWER
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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. 5 LINE IN terminal 6 Speaker level input terminals 7 Fuse (20 A 2 : KAC-726) Fuse (15 A : KAC-526X) 8 Battery terminal 9 Ground terminal 0 Power control (REMOTE) terminal ! SPEAKER OUTPUT terminals Protection function This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur. Whe
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Connection 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 (Commercially this may cause malfunction available part) Power control cable or damage. Right input Left input SPEAKER LEVEL INPUT LEFT RIGHT FILTER OPERATION OFF LPF STEREO MONO(Lch) LINE IN 0.5 0.3 L R 1.0 GND MIN MAX INPUT SENSITIVITY(V)
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Power and Speakers cable connection Power control POWER IN (REMOTE) lead terminal GND BRIDGED BATT P.CON(REMOTE) LEFT RIGHT SPEAKER OUTPUT Right Terminal cover speaker Power control cable Left speaker Battery cable (Yellow) Ground cable (Black) • 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. Round terminal (Larg
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System examples Full-range 2-channel system Switch setting Left speaker FILTER OPERATION L L OFF LPF STEREO MONO(Lch) CENTER UNIT R R Right speaker High-power full-range 2-channel system Switch setting L L L Left speaker (Bridged) FILTER OPERATION R R CENTER UNIT OFF LPF STEREO MONO(Lch) L L R Right speaker (Bridged) R R Full-range 2-channel + Subwoofer system Switch setting Left speaker FILTER OPERATION CENTER UNIT OFF LPF STEREO MONO(Lch) Right speaker L L Subwoofer R R (L + R) (Bridged) Tri-
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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. • Protection circuit may be • Check connections by referring activated. to "Protection function". • The fuse may be blown • Replace the
