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DESCRIPTION:
This unit was purchased by my father in 1971. It was passed on to me in
the
early 80's and is now being made available to you!
This is an excellent example of a Classic McIntosh MC-2100 "Laboratory
Standard" Power Amplifier. This is one of the first solid state
amplifiers
that followed the McIntosh tube amplifier era. As such, it is designed
much
like a tube amp that is driven by transistors. An example is the use of
(single-winding type) output transformers which gives the unit a set of
output impedance characteristics similar to tube equipment in many
respects.
This unit is capable of anchoring a fabulous system with the famous
McIntosh
sound and build quality. The MC-2100 has long been held in very high
esteem
by collectors and audiophiles.
POWER OUTPUT:
STEREO:
105 watts continuous, per channel, both channels operating which is:
20.5 volts RMS across 4 ohms
29.0 volts RMS across 8 ohms
41.0 volts RMS across 16 ohms
MONO:
210 watts continuous which is:
20.5 volts RMS across 2 ohms
29.0 volts RMS across 4 ohms
41.0 volts RMS across 8 ohms
HARMONIC DISTORTION:
STEREO will not exceed 0.25% at any power level up to 105 watts power
output
per channel from 20 Hz to 20,000 Hz both channels operating. Typical
performance is less than 0.1% at rated power. Distortion decreases as
output power is reduced.
MONO will not exceed 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 20,000 Hz.
INTERMODULATION DISTORTION:
STEREO will not exceed 0.25% if instantaneous peak power is 210 watts or
less per channel with both channels operating for any combination of
frequencies 20 Hz to 20,000 Hz.
MONO will not exceed 0.25% if instantaneous peak power output is 420 watts
or less for any combination of frequencies 20 Hz to 20,000 Hz.
FREQUENCY RANGE:
20 Hz to 20,000 Hz +0 -.025 dB at rated power.
NOISE AND HUM:
90 dB or more below rated output.
OUTPUT IMPEDANCE:
STEREO 4, 8, and 16 ohms
MONO 2,4, and 8 ohms
OUTPUT VOLTAGES:
25 volts STEREO and MONO
DAMPING FACTOR:
20 at 4 ohms output
14 at 8 ohms output
11 at 16 ohms output
INPUT IMPEDANCE:
200,000 ohms
INPUT SENSITIVITY:
0.5 volt. Level control provided for higher input voltage.
POWER REQUIREMENTS:
120 volts 50/60 Hz, 50 watts at zero signal output.
450 watts at rated output.
SEMICONDUCTOR COMPLEMENT:
32 silicon transistors.
14 silicon rectifiers and diodes.
MECHANICAL:
SIZE: 7-3/4 inches high (19.69 cm), 11-3/4 inches wide (29.85 cm), 17
inches deep (43.18 cm).
CHASSIS: Chrome and Black
WEIGHT: 57 pounds (25.86 kg) net, approx 63 pounds (28.58 kg) in ****pping
carton
CONDITION:
Serial #172W55
Unit is in Very Good condition. Shows only minor wear and tear, nicks and
scratches. Chrome and Lettering are in good condition with only the
expected
surface blemishes of a unit of this age. See pictures in eBay auction.
Unit
is in EXCELLENT operating condition and sounds great through Bozak 302A
speakers. To the best of our knowledge, there are absolutely no known
electronic or mechanical issues. Actual unit in photos.
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