Akai-AMM939-int-维修说明书手册含电器原理图

AM-M93AKAI SERVICE MANUAL②AKAIeDIGITAL INTEGRATED AMPLIFIERMODEL AM-M939SPECIFICATIONSPower outputS/NBy FTC,,,,,······80w +80W/6 ohmsPHONO(MM0·······8.5dBBy DIN (1 kHz).......80W +80W/6 ohmsTUNER ete...........100 dBPower bandwidth........10 Hz to 60 kHz/0.1%Channel separation.......60dBTotal harmonic distortion...0.008%(1 kHz,8 ohms)Audio mute...........20 dBPHONO max.input level...250 mV (MM)Required speaker impedanceFrequency responseAorB...........··6to16ohmsPHON0,,,,,,,,,,..t02dBA+B,,,。,,,,.12to16ohmsCD Direct..····,·,·。5Hzto100kHzD/A sectionTone controlDigital input level/Impedance.0.5 Vp-p/75 ohmsTreble.,tl0dBFrequency response·..·.5Hzto20kHz±3dBBass±10dBDynamic range.........95 dBSuper bass,·······-+10dBTotal harmonic distortion...0.003%Input sensitivity/ImpedanceChannel separation.·.·.··90 dB (1 kHz)PHONO (MM)·····,.,2.5mV/47 kohmsPower requirements......220 V,50 Hz for EuropeTUNER etc...........150 mV/47 kohmsexcept UKOutput level/Impedance240V,50Hz for UKTAPE REC OUT.......150 mV/47 kohmsDimensions385(W)×139(×330(DmmDamping factor.........30(1 kHz)(15,2×5.5×13.0 inches)Residual noise,,,,0.5mVWeight·······10.3kg(22.7bs)For improvement purposes,specifications and design are subject to change without notice.