McIntosh MHA200 2-Channel Vacuum Tube Headphone Amplifier

HEADPHONE OUTPUT SPECIFICATIONS

• Headphone Power Output

  500mW

• Headphone Output Impedance

  32-100 Ohms
  100-250 Ohms
  250-600 Ohms
  600-1,000 Ohms

ELECTRONIC SPECIFICATIONS

• Power Output per Channel

  N/A

• Speaker Impedance

  N/A

• Rated Power Band

  20Hz to 20kHz

• Total Harmonic Distortion

  0.5% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000Hz
  <0.20% at 1W, 20Hz to 20,000Hz

• Intermodulation Distortion

  0.04% Typical
  0.4% Maximum

• Dynamic Headroom

  1.5dB

• Frequency Response

  +0, -0.5dB from 20Hz to 20,000Hz

• Sensitivity (Unbalanced)

  1.0 Vrms

• Sensitivity (Balanced)

  2.0 Vrms

• Maximum Input Signal (Unbalanced)

  8V

• Maximum Input Signal (Balanced)

  16V

• Signal To Noise Ratio

  94dB

• Input Impedance (Balanced / Unbalanced)

  20K/10K

• Damping Factor

  >150

• Preamplifier Output

  N/A

• Preamplifier Output Impedance

  N/A

• Voltage Gain

  12dB at 32 Ohms
  17dB at 100 Ohms
  21dB at 250 Ohms
  25dB at 600 Ohms

• Power Guard

  No

CONNECTIVITY

• Headphone Output

  One pair of 3-pin balanced XLR connectors for dedicated Left and Right balanced output;
  One 4-pin balanced XLR connector for balanced stereo output;
  One 1/4″ stereo headphone jack

• Balanced Input

  1

• Unbalanced Input

  1

• Digital AES/EBU Input

  0

• Digital Coaxial Input

  0

• Digital Optical Input

  0

• Digital MCT Input

  0

• Digital USB Input

  0

• Preamplifier Output

  0

DIGITAL AUDIO SPECIFICATIONS

• Digital AES/EDU Input Sample Rate

  N/A

• Digital Coaxial Input Sample Rate

  N/A

• Digital Optical Input Sample Rate

  N/A

• Digital MCT Input Sample Rate

  N/A

• Digital USB Input Sample Rate

  N/A

CONTROL

• Tone Controls

  No

• Power Control Input

  1

• Power Control Output

  1

GENERAL SPECIFICATIONS

• Output Meters

  No

• Vacuum Tube or Solid State

  Vacuum Tube

• Power Requirement

  120V 50/60Hz, 1.5A

• Standby Power Requirement

  <0.5 Watts

• Output Type

  Unity Coupled Output Transformer

WEIGHTS & DIMENSIONS

• Unit Dimensions (W x H x D)

  6-1/8″ (15.6cm) x 5-3/4″ (14.6cm) x 9-1/8″ (23.2cm)

• Unit Weight

  10.5 lbs (4.8 kg)

• Shipping Weight

  12 lbs (5.5 kg)