McIntosh MC 2105 Service Manual

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McIntosh MC 2105 Service Manual

Extracted text from McIntosh MC 2105 Service Manual (Ocr-read)


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ELECTRICAL SPECIFICATIONS POWER OUTPUT: 105 RMS watts continuous per channel into 4, 8, or 16 ohms both channels operating. HARMONIC DISTORTION: Less than 0.25% at 105 watts power output from 20 Hz to 20 kHz, both channels operating. Typical performance is less than 0.1% at rated power. Distortion decreases as output is reduced. INTERMODULATION DISTORTION: Less than 0.25% if instantaneous peak power output is 210 watts or less per channel with both channels operating for any combination of frequencies 20 Hz to 20 kHz. FREQUENCY RANGE: 20 Hz to 20 kHz +0, -0.1 dB at rated power. 15 Hz to 60 kHz +0, -0.5 dB at rated power. 10 Hz to 100 kHz +0, -3.0 dB at rated power. NOISE AND HUM: 90 dB or more below rated output. OUTPUT IMPEDANCE: 4, 8, and 16 ohms OUTPUT VOLTAGES: 25 volts (connect to 8 ohm outputs.) DAMPING FACTOR: 18 at 4 ohms output 13 at 3 ohms output 10 at 16 ohms output INPUT IMPEDANCE: 200,000 ohms INPUT SENSITIVITY: 0.5 volts. Level control provided for higher input voltage. POWER REQUIREMENTS: 117 volts AC 50-60 Hz, 90 watts at zero signal output, 450 watts at rated output.

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31 S101 S201 S301 S302,303 T101,102 T301 SWITCHES Input coupling switch Speaker switch Meter range switch Power on-off switch Thermal cut-out TRANSFORMERS Output transformer Power transformer FRONT PANEL AND TRIM Front panel Front panel end caps Knobs (all controls ) LAMPS #1866 (for wording) #1888 (for meters) PANLOC SYSTEM Shelf bracket (right) Shelf bracket (left) Mounting template #300 Hardware package MISCELLANEOUS ITEMS Plastic feet Shipping carton Owners manual Line cord 148-006 146-103 146-109 146-102 153-007 043-649 043-693 043-735 018-112 043-253 058-014 058-029 043-678 043-679 038-161 043-691 017-041 043-793 038-163 170-021 5C01106S-M9321JG