Kenwood KAC-PS401M manual

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Table of contents for the manual

  • Page 1

    KA C-PS401M © B64-1441-00 (EM) MONO POWER AMPLIFIER INSTR UCTION MANU AL[...]

  • Page 2

    2 English Saf ety pr ecautions Installation pr ocedur e Since there are large variety of settings and connections possible according to applications, read the instruction manual well to select the proper setting and connection. 1. Remove the ignition key and disconnect the negative - terminal of the battery to prevent short circuits. 2. Set the uni[...]

  • Page 3

    English 3 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[...]

  • Page 4

    4 English Contr ols L L R R OUT LINE IN P.CON GND EXT.AMP.CONT. 30 15 20 25 ON OFF ON OFF ON OFF INFRASONIC BAND REJECT LPF FREQ (Hz) B.M.S. B.M.S. ( + 6) B.M.S. (REMOTE) CLOSE OPEN/ SPEAKER OUTPUT FUSE(15A × 4 ) – + – + BATT. GND 15 15 15 15 SERVO II FEED BACK ∑ 1 4 5 2 3 67 8 90 30 15 20 25 ON OFF ON OFF ON OFF INFRASONIC BAND REJECT LPF F[...]

  • Page 5

    * POWER indicator This indicator glows when the unit's power is turned ON. ( COOLING FAN indicator When the unit's internal temperature rises, the slide panel opens automatically and the cooling fan is activated. The cooling fan is also activated when the slide panel is opened. Whilst the cooling fan is in operation, the COOLING FAN indic[...]

  • Page 6

    6 English B .M.S. (Bass Manag ement Syst em) AIR INDUCTION (MIN) (MAX) 5 4 3 2 1 0.5 0.2 50 100 50 40 200 200 B.M.S. FREQUENCY INPUT SENSITIVITY B.R.F. FREQUENCY LO PASS FREQUENCY POWER L L R R OUT LINE IN P.CON GND EXT.AMP.CONT. 30 15 20 25 ON OFF ON OFF ON OFF INFRASONIC BAND REJECT LPF FREQ (Hz) B.M.S. B.M.S. ( + 6) B.M.S. (REMOTE) CLOSE OPEN/ M[...]

  • Page 7

    English 7 ■ If the unit is going to be operated from the centre unit: The amount of bass boost and the opening/closing of the slide panel can be controlled from the centre unit. Additionally, up to 3 power amplifiers can be set at the same time. Kenwood centre units released in 1999 or later having an “EXT.AMP.CONT.” cable operate this unit. [...]

  • Page 8

    8 English L L R R OUT LINE IN P.CON GND EXT.AMP.CONT. 30 15 20 25 ON OFF ON OFF ON OFF INFRASONIC BAND REJECT LPF FREQ (Hz) B.M.S. B.M.S. ( + 6) B.M.S. (REMOTE) CLOSE OPEN/ P.CON GND L R LINE IN ■ RCA cable connection CENTRE UNIT (Cassette receiver, CD receiver, etc.) RCA cable * RCA cable ground terminal When using an RCA cable with a ground lea[...]

  • Page 9

    English 9 ■ Speaker Selection • The rated input power of the speakers that are going to be connected should be greater than the maximum 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 emitted as well as damage. • Use speakers that [...]

  • Page 10

    10 English Connection ■ 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. Wiring • 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 c[...]

  • Page 11

    English 11 Sigma serv o f eed bac k 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 t[...]

  • Page 12

    12 English Connection The acoustic properties of vehicle compartment tend to cause oscillation due to resonance or unclearness of sound due to standing waves at certain frequencies. The band reject filter can solve the problems of resonance or unclear sound with minimum influence on the sound quality because it eliminates only the frequencies causi[...]

  • Page 13

    English 13 Specifications Specifications subject to change without notice. Audio Section Max Power Output (2 Ω ) ....................................................................................................1200 W × 1 Rated Power Output (+B = 12.0 V) (4 Ω ) .................................................................................[...]