Kenwood KAC-8402 Instruction Manual
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6 English , , ,,## , ,,##!" , , , ,!" , , , ,!" , , , ,!" , , , ,!"System examples■ Tri-modeCENTER UNIT(High pass) Subwoofer(L + R) (Bridged)Principle of Tri-modeMethod of frequency band division using a coil and capacitor…in case of 6dB/oct. slope.L C0 dB-3 dBCoil (L):Passes low frequencies and blocks highfrequencies. (Low pass)Capacitor (C):Passes high frequencies and blocks lowfrequencies. (High pass)Crossover FrequencyFrequency159000C= (μF)fc × R159 x RL= (mH)fcfc=Cut of Frequency (Hz)R=Speaker Impedance (Ω)Example:When it is required to set a crossover frequency of 120 Hz using speakers with animpedance of 4 ohms.Prepare commercially-available coil and capacitor with the closest ratings to theresults calculated from the formula above. The capacitor rating should be as close aspossible to 331.25 (μF) and the coil rating should be as close as possible to 5.3 (mH).2CAUTION• If you wish to bridge-connect a speaker, the speaker impedance must be no lessthan 4 ohms. Connecting a speaker with an impedance lower than 4 ohms maydamage the unit.• Be sure to connect capacitors to speakers to which high frequencies will be passed.Failure to do so will result in a drop of the combined impedance with the subwoofer.• Ensure that the withstand voltage and current ratings of the capacitors (C) and coils(L) are sufficient.CENTER UNIT■ 4-channel system ■ High-power 2-channel systemRight speaker (Bridged)Left speaker (Bridged)■ 2-channel + Subwoofer system (1)Subwoofer(Bridged)CENTER UNITCENTER UNIT Right speaker (High pass)Left speaker (High pass)Front Right speakerFront Left speakerRear Right speakerRear Left speaker■ 2-channel + Subwoofer system (2)Subwoofer(Bridged)CENTER UNIT Right speaker (High pass)Left speaker (High pass) |
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