Key Specifications & Features

• Power Output: Rated at 75 watts per channel (with real-world continuous delivery closer to 90W) into 4, 8, or 16-ohm speaker taps via McIntosh Unity Coupled Circuit Output Transformers. 
• Tube Complement (12 tubes total):
  • Preamplifier Section: Two 12AX7A and two 12AT7 tubes.
  • Power Amplifier Section: Four 12AT7 driver tubes and four KT88 output tubes (two per channel) based on the classic MC275 design. 
• Design & Build: Features a polished stainless-steel chassis, a high-gloss black faceplate, visible glowing tubes, and signature McIntosh blue watt meters. It weighs approximately 93 lbs (42.2 kg). 

• Analog Connectivity:
  • 2 balanced XLR inputs and 3 unbalanced RCA inputs.
  • Configurable universal phono stage for Moving Magnet (MM) and Moving Coil (MC) cartridges.
  • Subwoofer output and full preamplifier output.
  • Note: It intentionally contains no digital circuitry, DAC, or streaming features. 
• Sound Shaping & Controls:
  • Defeatable 5-band analog equalizer.
  • High-drive headphone amplifier with Headphone Crossfeed Director (HXD).
  • Home Theater PassThru. 
• Safety & Protection: Equipped with Power Guard Screen Grid Sensor to prevent tube overdrive and Sentry Monitor fuseless short-circuit protection. [1, 2]