MA2375 2-Channel Vacuum Tube Integrated Amplifier

Key Features

• All-analog vacuum tube integrated amplifier
• Vacuum tube preamplifier and vacuum tube power amplifier in a single chassis
• 75 watts per channel into 4, 8, or 16 ohms
• Built-in phono stage with adjustable gain, resistance, and capacitance
• Five-band analog equalizer
• Balanced and unbalanced analog inputs
• Headphone output with Headphone Crossfeed Director (HXD®)
• Dual illuminated McIntosh power output meters
• Output 2 and Subwoofer outputs
• Home theater PassThru capability
• Handcrafted in the USA with U.S. and imported parts

Power Output

• 75 Watts per channel
• 75 Watts into 4Ω
• 75 Watts into 8Ω
• 75 Watts into 16Ω

Performance

• Frequency Response: +0, -0.5 dB from 20Hz – 20kHz
• Frequency Response: +0, -3 dB from 10Hz – 50kHz
• Total Harmonic Distortion: 0.5% maximum
• Intermodulation Distortion: 0.5% maximum
• Dynamic Headroom: 1.2 dB
• Wide Band Damping Factor: Greater than 22

Input Sensitivity

• Unbalanced: 300mV
• Balanced: 600mV
• Phono: 3mV (factory default)

Input Impedance

• Unbalanced: 22kΩ
• Balanced: 44kΩ
• Phono: 100–47kΩ; 50–400pF

Signal-to-Noise Ratio (A-Weighted)

• Unbalanced: 95dB below rated output
• Balanced: 95dB below rated output
• Phono: 75dB below rated output

Analog Inputs

• 2 × Balanced (XLR) Inputs
• 3 × Unbalanced (RCA) Inputs
• 1 × Phono Input with Ground Terminal

Outputs

• Speaker Outputs: 4Ω, 8Ω, 16Ω
• Output 2 Stereo Preamplifier Output
• Mono Subwoofer Output
• Front Panel Headphone Output

Control & Integration

• RS232 Control
• External IR Input
• Data Ports
• Power Control Trigger Connections
• Home Theater PassThru Functionality

• 5-Band Analog Equalizer
  • 30Hz
  • 125Hz
  • 500Hz
  • 2kHz
  • 10kHz
• Input Level Trim
• Balance Control
• Mono / Stereo Selection
• Meter Illumination Control
• Tube Illumination Control
• Adjustable Display Brightness
• Headphone HXD® Crossfeed Processing

Phono Stage

• Supports Moving Magnet cartridges
• Supports High Output Moving Coil cartridges
• Supports Low Output Moving Coil cartridges
• Adjustable capacitance
• Adjustable resistance
• Adjustable phono gain settings

• Width: 17 13/16" (45.2 cm)
• Height: 9 15/16" (25.2 cm)
• Depth: 20 7/16" (51.9 cm)
• Weight: 93 lbs (42.2 kg)

• MA2375 Integrated Amplifier
• HR085 Remote Control
• AC Power Cord
• Owner's Manual

• First McIntosh vacuum tube integrated amplifier introduced in more than a decade.
• Features dedicated 4Ω, 8Ω, and 16Ω speaker outputs for proper loudspeaker matching.
• Handcrafted in the USA with U.S. and imported parts.