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McIntosh MA6100 Integrated Amplifier - $1,999 (Baldwin City)
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Description
The McINTOSH MA-6100 combines a preamp and a power amplifier into one chassis as an integrated amplifier. It is a very flexible unit, ready to handle the most complex system. There are 2 phono inputs and 2 tape loops for the best in analog sound. Typical premium McIntosh build quality and superior sonics. The most flexible mode control (stereo, mono and many, many others) I've ever seen. This latter serial number unit has an impedance selector to better match the amp to your speakers. I'm told this makes it more desirable than earlier units.
ELECTRICAL: 70w/ch at 4 or 8 ohms, 40w/ch at 16 ohms. Response 20-20kHz (+0.5 -0.5dB). Distortion 0.20%. Noise and hum -90dB high level, -76dB low level re 10mV. Damping factor 50 at 8 ohms. Power amp noise -95dB. Input sensitivity and impedance: high level 0.3V at 250k, phono 2.5mV at 47k, tape head 3.0mV at 500k, power amp 3.0V at 100k. Tape output 0.3V. Dual concentric tone controls +16dB to -16dB. LF filter 50Hz at 12dB/oct. HF filter 7k at 12dB/oct. Presence boost 4dB at 1.5k.
FRONT PANEL: New Glass panel. Input selector: aux, tuner 2, tuner 1, phono 1, phono 2 and tape hd. Bass and treble each dual concentric. Balance. Comp switch: pres, flat or loud. New Volume with power switch. Mode selector: L to L+R, R to L+R, stereo rev, stereo, mono (L+R), L+R to L and L+R to R. Pushbutton switches: tape mon 1, tape mon 2, tape copy 1 to 2 and 2 to 1, LF filter, HF filter, phase, main speakers, remote speakers. Indicator lights for power, tape mon 1 and 2, main and remote speakers. Headphone jack.
BACK PANEL: Push terminals for main and remote speakers. Outputs: preamp, tape 1, tape 2. High level inputs: tape 1, tape 2, aux, tuner 1, tuner 2. Low level inputs: tape hd, phono 1, phono 2. Ground binding post. AC outlets: 3 switched, 1 unswitched. Circuit breaker. Panloc mounting.
Dimensions: 5.5"H x 16"W x 13"D. Weight: 34 lbs.
Produced 1972-1979. Retail $699.
Condition
McIntosh MA6100, 120V 60Hz, Made in Binghamton, NY.
Unit is in outstanding condition, shows very minor wear and tear.
Unit is in great working condition and sounds great. Bench tested and serviced.
This MA6100 lived in a cabinet it's entire life.
Switches and controls clean and quiet, Deoxit D5 was used as necessary
Some minor corrosion around fuse holder on back panel, rest of amp is super clean.
Service manual and parts that were replacex. New glass installed with new potentiometer both came from McIntosh.