McIntosh Labs MHA100 Headphone Amplifier (Black)

Model: MHA100 UPC: 05021499 Item: 160767

Product Information

The MHA100 is the first dedicated headphone amplifier from McIntosh and takes advantage of unique McIntosh technologies to yield the best possible personal listening experience regardless of the headphones you use. It employs a new adaptation of their unique Autoformer technology to produce three headphone impedance ranges of 8-40, 40-150 and 150-600 ohms so that every headphone - from ear buds to studio quality phones - will receive the optimal McIntosh sound.

It features McIntosh's new Headphone Crossfeed Director (HXD) to allow high quality recordings to image like conventional speakers in your headphones, bringing new depth and spatiality to your music. Four digital inputs allow the McIntosh Digital Engine to decode your digital music at up to 32 bits and 192kHz for maximum analog fidelity and enjoyment; two analog inputs are also available.

Love to listen to your headphones while working on your computer? Compared to other amplifiers, the MHA100 is more compact and fits great on a desk, allowing you to enjoy your music while working. Its smaller size gives you additional flexibility to locate it almost anywhere in your space.

50 watt stereo speaker outputs are included for when you want to enjoy your favorite speakers instead of your headphones; Power Guard will prevent clipping that could damage your headphones or speakers. Tone controls include a 5 Step Bass Boost Control for further customization. The entire unit is housed in a beautiful polished stainless steel chassis that not only compliments the classic glass front panel, knobs and brushed aluminum end caps, but also any room decor.

Headphone Output Specifications:

Headphone Power Output

  • High Selection: 1W
  • Normal Selection: 250mW

Headphone Output Impedance

  • 8-40 Ohms
  • 40-150 Ohms
  • 150-600 Ohms

Electronic Specifications:

  • Power Output per Channel: 50 Watts
  • Speaker Impedance: 8 Ohms
  • Rated Power Band: 20Hz to 20kHz
  • Total Harmonic Distortion: 0.005%
  • Intermodulation Distortion: 0.005% maximum, if the instantaneous peak power is 100 watts or less per channel with both channels operating for any combination of frequencies from 20Hz to 20kHz
  • Dynamic Headroom: 1.5dB
  • Frequency Response +0,-0.5dB: 20Hz to 20kHz
  • Frequency Response, +0, -3dB: 10Hz to 100kHz
  • Sensitivity (Unbalanced): 300mV
  • Sensitivity (Balanced): 600mV
  • Maximum Input Signal (Unbalanced): 8V
  • Maximum Input Signal (Balanced: 16V
  • Signal To Noise Ratio: 105dB
  • Input Impedance (Balanced / Unbalanced): 25K/25K
  • Damping Factor: >150
  • Preamplifier Output: 3V (8V maximum)
  • Preamplifier Output Impedance: 500 Ohms
  • Voltage Gain: 36.5dB
  • Power Guard: <2% THD with up to 16dB overdrive at 1kHz

Digital Audio Specifications:

  • Digital Coaxial Input Sample Rate: 16Bit, 24Bit - 32kHz to 192kHz
  • Digital Optical Input Sample Rate: 16Bit, 24Bit - 32kHz to 192kHz
  • Digital AES/EDU Input Sample Rate: 16Bit, 24Bit - 32kHz to 192kHz
  • Digital USB Input Sample Rate: 16Bit, 24Bit, 32Bit - 32kHz to 192kHz

Connectivity:

  • Headphone Output: 1 (1/4")
  • High Level Inputs Unbalanced: 1 Stereo
  • High Level Inputs Balanced: 1 Stereo
  • Digital Coaxial Input: 1
  • Digital Optical Input: 1
  • Digital AES/EBU Input: 1
  • Digital USB Input: 1
  • Preamplifier Output: 1 Stereo

Control:

  • Tone Controls: 5 Step Bass Boost Control: 0 to +12.5dB (in 2.5dB steps) @ 40Hz
  • Power Control Input: Yes
  • Power Control Output: Yes

General Specifications:

  • Output Meters: Yes
  • Tube or Solid State: Solid State
  • Power Requirement: 120V 50/60Hz, 1.5A
  • Standby Power Requirement: <0.25 Watts
  • Output Autoformer: Yes for Headphones
  • Dimensions (W x H x D): 11-1/2"(29.2cm) x 5-9/16" (14.1cm) x 18" (45.7cm)
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