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McIntosh MI1250 12-Channel Digital Amplifier
Overview
Product Information
Specifications
Product Information
Delivers pristine music playback to multiple rooms for whole-house audio.
The versatile MI1250 12-Channel Digital Amplifier can distribute pristine music playback to multiple rooms in your home. It delivers 50 Watts into 8 Ohm speakers or 90 Watts into 4 Ohm speakers via highly sophisticated closed-loop digital switching amplifiers that are paired with extremely robust power supplies to produce performance levels that are rarely achieved in distributed audio.
It has installer-friendly physical dimensions and is 2U rack-mountable via the included mounting ears (the mounting ears are removable for non-rack installations). As a highly efficient Class D amplifier, it does not require noisy cooling fans to maintain nominal operating temperature
Features:
- Ideal for multi-zone distributed audio
- 50 Watts into 8 Ohms
- 90 Watts into 4 Ohms
- 2U rack-mountable
- Channel summing circuits for mono signal distribution
- Volume controls for each channel
- Bussable inputs
- Signal sensing
- Power Guard® and Sentry Monitor™
The MI1250 12-Channel Digital Amplifier can distribute pristine music playback in multiple rooms in your home.
It delivers 50 watts into 8 Ohm speakers or 90 Watts into 4 Ohm speakers via highly sophisticated closed-loop digital switching amplifiers that are paired with extremely robust power supplies to produce performance levels that are rarely achieved in distributed audio.
Installer-friendly physical dimensions and is 2U rack-mountable via the included mounting ears (ears are removable for non-rack installations).
A highly efficient Class D amplifier, it does not require noisy cooling fans to maintain nominal operating temperature.
Multi-color LED indicators display the status of each channel. Features unbalanced inputs plus 2-pole Phoenix-style push-in speaker terminals for each channel.
Includes volume controls for volume balancing, along with 2 digital audio inputs (either coax or optical) that can be bussed, and channel summing circuits for easy mono signal distribution.
Other features included: Power Guard® signal overload technology that prevents overdriving the speakers; Sentry Monitor™ short-circuit protection that disengages the output stage before current exceeds safe operating levels; BUS input & outputs to easily distribute a stereo signal to multiple outputs and/or multiple amplifiers; individual channel inputs; 12 Volt triggering capabilities; and eco-friendly on/off signal sensing.
Specifications
- Power Output:
- 50 Watts into 8 Ohm speakers
- 90 Watts into 4 Ohm speakers
- Total Harmonic Distortion: 0.05% maximum from 20Hz to 20kHz
- Signal to Noise Ratio: 85dB
- Dynamic Headroom:
- 8 Ohms: 2.1dB
- 4 Ohms: 3.3dB
- Damping Factor:
- 8 Ohms: >65
- 4 Ohms: >32
- Frequency Response: +0, -0.5dB from 20Hz to 20kHz
- Inputs:
- 12 Unbalanced
- 2 Digital (coax or optical)
- 2 BUS
- BTU Rating: 900 BTU/h
- Overall Dimensions (W x H x D): 17-1/2” (19” with mounting ears) x 4-5/16” x 21”
- Weight: 22 lbs net, 38.4 lbs in shipping carton
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