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Kenwood KAC-528 manual

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Table of contents for the manual

  • Page 1

    KA C-728 KA C-628 KA C-528 POWER AMPLIFIER INSTR UCTION MANU AL B64-1360-00 (EM)[...]

  • Page 2

    To prevent injury and/or fire, take the following precautions: • When extending the battery or ground cables, make sure to use automotive-grade cables or other cables with an area of 5 mm 2 (AWG10) or more to prevent cable deterioration and damage to the cable coating. • To prevent short circuits, never put or leave any metallic objects (e.g., [...]

  • Page 3

    3 Pr otection function This unit is equipped with a protection function for protecting this unit and your speakers from various accidents or problems that can occur. When the protection function is triggered, the Power indicator goes off and the amplifier stops operating. ■ Power indicator: When the power is turned on, the Power indicator lights.[...]

  • Page 4

    4 Contr ols Operations of the following control and switches are required in accordance with the center unit and speakers connected with this unit. FUSE(15A) POWER IN BATT P.CON(REMOTE) GND LEFT BRIDGED RIGHT SPEAKER OUTPUT POWER AMPLIFIER 15 LPF FILTER OFF MONO(Lch) STEREO OPERATION GND INPUT SENSITIVITY(V) MAX MIN 0.3 0.5 1.0 L R LINE IN LEFT RIG[...]

  • Page 5

    5 1 RCA cable ground lead terminal 2 FILTER switch These switches allow filtering of the speaker output signals. • HPF (High Pass Filter) position (KAC-628 only) Only frequencies of 150 Hz or higher are output. (Frequencies below 150 Hz are cut.) • LPF (Low Pass Filter) position Only frequencies of 80 Hz or lower are output. (Frequencies above [...]

  • Page 6

    6 LPF FILTER OFF MONO(Lch) STEREO OPERATION GND INPUT SENSITIVITY(V) MAX MIN 0.3 0.5 1.0 L R LINE IN LEFT RIGHT SPEAKER LEVEL INPUT LE F T R IG H T SPEAKER LEVEL INPUT LPF FILTER OFF MONO(Lch) STEREO OPERATION GND INPUT SENSITIVITY(V) MAX MIN 0.3 0.5 1.0 L R LINE IN LEFT RIGHT SPEAKER LEVEL INPUT G N D ■ RCA cable connection Do not connect cables[...]

  • Page 7

    7 POWER IN BATT P.CON(REMOTE) GND LEFT BRIDGED RIGHT SPEAKER OUTPUT POWER AMPLIFIER L E F T BRIDGED R IG H T ■ Speakers cable connection (Stereo Connections) Left speaker Right speaker (Bridged Connections) Lead terminal (Commercially available parts) Left output Right output POWER IN BATT P.CON(REMOTE) GND LEFT BRIDGED RIGHT SPEAKER OUTPUT POWER[...]

  • Page 8

    8 POWER IN BATT P.CON(REMOTE) GND LEFT BRIDGED RIGHT SPEAKER OUTPUT POWER AMPLIFIER ■ Power cable connection To prevent fire caused by a short in the wiring, connect a fusible link or breaker nearby the battery’s positive terminal. 2 WARNING Terminal cover Battery Ground cable (Commercially available parts) Battery cable (Commercially available[...]

  • Page 9

    9 Installation • Since the power amplifier has no parts which require operation, it can be installed at a position away from the driver’s seat without any hindrances. As generally accepted positions for its installation, places such as inside the trunk, etc. can be considered. • Use the extension cables. (Optional.) • Do not install the uni[...]

  • Page 10

    10 S ystem examples ● Principle of Tri-mode Method of frequency band division using a coil and capacitor•••in case of 6dB/oct. slope L C 0 dB -3 dB Coil (L): Passes low frequencies and blocks high frequencies. (Low pass) Capacitor (C): Passes high frequencies and blocks low frequencies. (High pass) Crossover Frequency Frequency 159000 C= (?[...]

  • Page 11

    11 T r oubleshooting 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. (No sound from one side.) The output level is too small (or too large). The sound quality i[...]

  • Page 12

    12 Specifications Specifications subject to change without notice. Audio Section .............................................. KAC-728 KAC-628 KAC-528 Max Power Output (4 Ω ) Normal ..............................................................200 W × 2 100 W × 2 70 W × 2 Bridge ..............................................................60[...]