Mc INTOSH hfe mcintosh ma6300 service wr1001 en free download

File name hfe_mcintosh_ma6300_service_wr1001_en.pdf

INTEGRATED AMPLIFIER SERIAL NO. WR1001 And Above CONTENTS Performance Specifications ... 2 Preamp Schematic and PCB ... 17 - 20 Notes ... 3 Heatsink Schematic and PCB ... 21 - 28 Rear Panel ... 4 Display Schematic and PCB ... 29 - 32 Section Location ... 4 Push Button Schematic and PCB ... 33 - 34 Block Diagram ... 5 - 6 Meter Schematic and PCB ... 35 - 36 Interconnection Diagram ... 7 - 8 Parts List ... 37 - 42 Main Schematic and PCB ... 9 - 16 Repacking Instruction ... 43 SERVICE MANUAL PERFORMANCE SPECIFICATIONS Power Output 100 watts into an 8 ohm load is the minimum sine wave Input Impedance continuous average power output. The output RMS High Level, 20K ohms voltage is 28.3V across 8 ohms Phono, 47K ohms; 65pF 160 watts into a 4 ohm load is the minimum sine wave Power Amp In, 10K ohms continuo us average power output. The output RMS voltage is 25.3V across 4 ohms Maximum Input Signal High Level, 8V Output Load Impedance Phono, 90mV 8 and 4 ohms Power Amplifier In, 8V Rated Power Band Main Output Impedance 20Hz to 20,000Hz 50 ohms Total Harmonic Distortion Power Guard 0.005% maximum harmonic distortion at any power level Less than 2% THD with up to 16dB overdrive at 1,000Hz from 250 milliwatts to rated power, 20Hz to 20,000Hz Voltage Gain Dynamic Headroom High Level to Tape Output: 0dB 1.4dB High Level to Main Output: 12dB Phono to Main Output: 52dB Frequency Response +0, -0.5dB from 20Hz to 20,000Hz Power Requirements +0, -3dB from 10Hz to 100,000Hz 100 Volts, 50/60Hz at 3.6 amps