Akai-AM47-int-维修说明书手册含电器原理图

AKAI SERVICE mANUALAKAISTEREO NTEGRATED AM税FE所AM-471i0i0:MODEL AM-47STEREO INTEGRATED AMPLIFIERMODELAM-37/47SPECIFICATIONSPower outputS/N ratioAM-47120 W+120 W (DIN,4 ohms at 1 kHzAM-47 PHONO(MM)....85 dB(IHF-A)1%distortion)TUNER.etc..101 dB(IHF-A)80 W+80 W(FTC,8 ohms at 30 HzAM-37PHONO (MM)...84 dB (IHF-A)to 20 kHz.0.05 distortion)TUNER,etc.…100 dB (IHF-A)AM-3790 W+90 W (DIN,4 ohms at 1 kHzAudio mute........-20dB1%distortion)Subsonic filter ...16 Hz (-12dB /oct)60 W+60 W (FTC,8 ohms at 30 HzChannel separation60 dB (1 kHz)/50 dB (10 kHz)to 20 kHz,0.05 distortion)Cross talkPower band widthPHONO70 dB (1kHz,5.0 mV Input level)AM-475 Hz to 60 kHz /0.1 distortionTUNER,etc.75 dB(1kHz,500 mV Input level)AM-3710 Hz to 60 kHz /0.1%distortionRequired speaker impedanceTotal harmonic distortion ...0.005%(1kHz.8ohms)A or B.......4 to 16 ohmsFrequency responce5 Hz to 100 kHz (+0 dB,-3 dB)A and B...........8 to 16 ohmsTone controlPower requirements220-230 V.50 Hz for Europe exceptBASS..±8dB(100Hz)UKTREBLE8 dB (10 KHz)240 V,50 Hz for UKnput sensitivity/ImpedancePower consumptionPHONO(GMM）aa2.5 mV/47 kohmsAM-47230WTUNER,etc.150 mV/47 kohmsAM-37190WMaximum input levelDimensions.425(WX156(H)X370(D)mmPHONO...160mV(16.7X6.1X14.6 inches)TUNER,etc.5.0 V (at tone controt flat)WeightOutput level ImpedanceAM-4710.5kgTAPE REC OUT…150 mV/1 kohmsAM-37.9.9kgDamping factor.45 (1 kHz,8 ohms)Residual noise0.1 mV (IHF-A)Standard accessoryOperator's manual ............1For improvement purposes,specifications and design are subject to change without notice.