McIntosh MC-275 MK III


The McIntosh MC-275 MK III Power amplifier is in perfect condition with no dents, never repaired before and was slightly used. Comes in Original Packaging.

Brand: McIntosh
Type: Power Amplifier
Model: MC-275 MK III
Condition: 9/10



Two-channel, tubed stereo (switchable to parallel mono operation) power amplifier.
Tube complement: four KT88, three 12AX7A, four 12AT7.
Inputs: 1 pair single-ended (RCA), 1 pair balanced (XLR).
Loudspeaker outputs: separate gold-plated, 5-way binding posts for 4, 8, and 16 ohms.
Preamp output: 1 pair single-ended (RCA).
Inputs: 1 pair balanced (XLR), 1 pair single-ended (RCA).
Output power: 75Wpc (18.8dBW) into 4, 8, or 16 ohms (stereo), 150W into (21.8dBW) 2, 4, or 8 ohms (mono).
Frequency response: 20Hz–20kHz, +0/–0.5dB; 10Hz–70kHz, +0/–3dB.
Signal/noise ratio: 100dB, A-weighted (no reference level given).
THD: 0.05% at any power level from 250mW to rated power output.
Input sensitivity: 1.2V unbalanced, 2.5V balanced.
Input impedance: 90k ohms unbalanced, 180k ohms balanced.
Damping factor: >14 (wideband).
Power consumption: 170W (idle), 360W (full power).
Dimensions: 16.5″ (420mm) W by 8.25″ (210mm) H by 12″ (305mm) D.
Weight: 67 lbs (30.5kg) net, 75 lbs (34.1kg) shipping.


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