McIntosh MC275 Vacuum Tube Amplifier
McIntosh MC275 Vacuum Tube Amplifier McIntosh MC275 Vacuum Tube Amplifier

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  • Unity Coupled Circuit Output Transformers
  • Sentry Monitor -   McIntosh designed and patented circuit that activates in case of accidental “shorts" in speaker wires. Fuse-less short-circuit protection circuit disengages the output stage before current exceeds safe operating level-resets automatically.
Output Per Channel 75W
Number of Channels 2
Speaker Impedance 4 or 8 or 16 Ohms
Rated Power Band 20Hz - 20kHz
Total Harmonic Distortion
  • 0.5% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz - 20kHz
  • <0.2% at 1W, 20Hz - 20kHz
Dynamic Headroom 1.2dB
Frequency Response
  • +0, -0.25dB from 20Hz to 20kHz
  • +0, -3.0dB from 10Hz to 100kHz
Damping Factor >22
Dimensions (WxHxD) 16 1/2" (41.9cm) x 8 1/2" (21.6cm) x 12" (30.5cm)
Weight 67lbs (30.5kg)