Kenwood KAC-748- Manuals

Page 2 - Safety precautions; ▲WARNING; Cl»aning the unit; ▲CAUTION; FCC WARNING; Accessories; Part name; Protection function; from various accidents or probiems that can occur.; The protection function activates in the foiiowing

Safety precautions ▲WARNING To prevent injury or fire, take the following precautions: • When extending the ignition, battery, or ground wires, make sure to use automotive- grade wires or other wires with a 5mm^ (AWG10) or more to prevent wire deterioration and damage to the wire coating. •To preven...

Page 3 - Installation procedure; ACAUTIOISI; Installation; ACAUTION; Bngtfsh 3

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 wires. 5. Connect the power wire, power cont...

Page 4 - Controls

Controls This is a 4 channel amplifier including 2 stereo amplifiers in a body. One amplifier is referred to as amplifier A and the other is amplifier B. This unit is compatible with a large variety of systems by combining the switches and functions described in the following. KAC-848 KAC‘748 KAC-84...

Page 5 - English S

^ SPEAKER OUTPUT terminals • Stereo Connections: When you wish to use the unit as a stereo amplifier, stereo connections are used. The speakers to be connected should have an impedance of 20 or greater. When multiple speakers are to be connected, ensure that the combined impedance is 20 or greater f...

Page 6 - Connection; HCA cable connection; RCA cable ground terminal

Connection HCA cable connection ACAUTION Do not connect cables and leads to both RCA cable input jacks and the speaker input terminals simultaneously, for this may cause malfunction or damage. m Left input RCA cable ground terminal 0 Left input 0 Right input 1 J I ccwriHtdl' Right input To Power con...

Page 7 - АСДиЛОМ; Speakers wire connection; тМ; □вa

АСДиЛОМ • The genuine-accessory саг stereo shall have a maximum power output of no more than 25 W.• Do not connect the speaker output leads from a power amplifier (Optional) to the speaker input terminals of this unit, for this may cause malfunction or damage. • Do not connect cables and leads to bo...

Page 8 - Speaker Selection; AWARNING

Connection ■ Speaker Selection • The rated input power of the speakers that are going to be connected should be greater than the maxi mu rn output power {in Watts) of the amplifier. Use of speakers having input power ratings that are less than the output power of the amplifier will cause smoke to be...

Page 9 - Power terminai; Terminal cover; System examples

KAC-748 Power terminai on E WO 1 9^ SB HHin B 1 ■ * SS“ O Lead terminal(Commercially available parts) Terminal cover KAC-848 Battery wire Protective Fuse ’ Lead terminal ..•(Commercially available parts) Battery Power terminal Connect to their respective terminals the power control wire, power suppl...

Page 10 - Passes low frequencies and blocks high; the results

System examples High^'pass (100 Hz} + Subvifoofer (100 Hz) system (High pass) Subwoofer (L + R) (Bridged) High-power 2-channel system Tri-mode (StS3 Œ] WFVr SELECTOR (High pass)** Subwoofer (L + R) (Bridged) ^Principle of Tri-mode __ Method of frequency band division using a coii and capacitofdn cas...

Page 11 - Troubleshooting Guide; PROBLEM; Specifications; Specifications subject to change without notice.

Troubleshooting Guide What might appear to be a malfunction in your unit may Just be thé result of slight misoperation or miswiring. Before calling service, first check the following table for possible problems. PROBLEM POSSIBLE CAUSE SOLUTION No sound. (No sound from one side.) • Input (or output) ...