Mc INTOSH hfe mcintosh mc501 service free download

File name hfe_mcintosh_mc501_service.pdf

POWER AMPLIFIER CONTENTS Performance Specifications ... 2 Power Schematic and PCB ... 15 - 16 Notes ... 2 Input Schematic and PCB ... 17 - 18 Top and Rear Views ... 3 Meter/Lighting Schematic and PCB ... 19 - 20 Section Location ... 4 Parts List ... 21 - 24 Block Diagram ... 5 - 6 Exploded View and Parts List ... 25 - 28 Interconnection Diagram ... 7 - 8 Repacking Instructions ... 29 Driver/Heatsink Schematic and PCB ... 9 - 13 SERVICE MANUAL PERFORMANCE SPECIFICATIONS Power Output Stereo A-Weighted Signal To Noise Ratio Minimum sine wave continuous average power output is: 97dB (124dB below rated output) 500 watts into 2 ohm load 500 watts into 4 ohm load Input Impedance 500 watts into 8 ohm load 10,000 ohms Unbalanced Inputs 20,000 ohms Balanced Inputs Output Load Impedance 2, 4 or 8 ohms Wide Band Damping Factor 100 (8 ohm wideband) Rated Power Band 20Hz to 20,000Hz Power Requirements 100 Volts, 50/60Hz at 8 amps Total Harmonic Distortion 110 Volts, 50/60Hz at 7.2 amps Maximum Total Harmonic Distortion at any power level 120 Volts, 50/60Hz at 6.6 amps from 250 milliwatts to rated power output is 0.005% 220 Volts, 50/60Hz at 3.3 amps 230 Volts, 50/60Hz at 3.3 amps Intermodulation Distortion 240 Volts, 50/60Hz at 3.3 amps Maximum Intermodulation Distortion if instantaneous peak output per channel does not exceed twice the rated output, Note: Refer to the rear panel of the MC501 for the for any combination of frequencies from 20Hz to 20,000Hz, correct voltage. with all channels operating is 0.005% Overall Dimens