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McIntosh MI347 7-Channel Digital Amplifier

Regular price $5,500.00
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McIntosh CBA2M Balanced Male to Female XLR Cable - Each - 6.56 ft (2m)
McIntosh CBA2M Balanced Male to Female XLR Cable - Each - 6.56 ft (2m)
$500.00
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McIntosh CC2M Power Control Cable - Each - 6.56 ft. (2m)
McIntosh CC2M Power Control Cable - Each - 6.56 ft. (2m)
$75.00
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McIntosh MI347 Overview

Product Information

Model: MI347 | UPC: 842548110021

Specifications

What's In The Box

Product Information

Model: MI347 | UPC: 842548110021

The McIntosh MI347 is a high-performance 7-channel digital amplifier engineered to elevate your home theater experience with exceptional audio quality. Its robust power output and advanced features make it an ideal choice for audiophiles seeking immersive soundscapes.

Features

  • Powerful Multi-Channel Amplification
  • High-Efficiency Class D Design
  • Quiet Operation with Advanced Cooling
  • Comprehensive Protective Technologies
  • Flexible Connectivity Options
  • Elegant and Rack-Mountable Design

Powerful Front Channel Amplification

Recognizing the critical role of front speakers in delivering dialogue and prominent effects, the MI347 supplies 250 watts into 8 ohms (300 watts into 4 ohms) to each of the front left, right, and center channels. This ensures clear and dynamic audio reproduction for the most impactful elements of your media.

Dedicated Surround Channel Support

To enhance the enveloping nature of surround sound, the amplifier provides 125 watts into 8 ohms (200 watts into 4 ohms) to each of the four surround channels. This balanced distribution of power across all channels creates a cohesive and immersive auditory environment.

Efficient Class D Design with Advanced Cooling

The MI347 utilizes sophisticated closed-loop digital switching amplifiers paired with robust power supplies, achieving high efficiency and performance. Its design eliminates the need for noisy cooling fans, relying instead on strategically placed vents to maintain optimal operating temperatures quietly.

Versatile Integration & Connectivity

Equipped with both balanced and unbalanced inputs for each channel, the MI347 offers flexibility in system configurations. Standard 5-way speaker binding posts ensure secure connections, facilitating seamless integration with various home theater setups.

Protective Technologies for Longevity

Incorporating McIntosh's Power Guard® technology, the amplifier prevents overdriving and potential speaker damage by monitoring and adjusting the input signal. Additionally, the Sentry Monitor™ short-circuit protection circuit safeguards the amplifier by disengaging the output stage if current levels become unsafe, automatically resetting when normal conditions resume.

Rack-Mountable Design with Iconic Aesthetics

With a rack-friendly 3U height and included mounting brackets, the MI347 can be conveniently installed in an A/V equipment rack or placed on display. Its black glass front panel, illuminated McIntosh logo, and silver trim reflect the brand's classic design, adding a touch of elegance to any home theater environment.

Specifications

  • Power Output:
    • 3 Front Channels: 250 Watts into 8 Ohms or 300 Watts into 4 Ohms
    • 4 Surround Channels: 125 Watts into 8 Ohms or 200 Watts into 4 Ohms
  • Total Harmonic Distortion: 0.025% maximum from 20Hz to 20kHz
  • Signal to Noise Ratio: 100dB
  • Dynamic Headroom:
    • 8 Ohms: 2.5dB
    • 4 Ohms: 3.5dB
  • Damping Factor:
    • 8 Ohms: >85
    • 4 Ohms: >45
  • Frequency Response: +0, -0.9dB from 20Hz to 20kHz
  • Inputs:
    • 7 Balanced
    • 7 Unbalanced
  • Rack Units: 3U
  • Overall Dimensions (W x H x D): 17-1/2" (19" with mounting ears) x 6-1/16" (including feet) x 21"
  • Weight: 32.5 lbs 

What's In The Box

  • MI347 7-Channel Digital Amplifier
  • Power Cord
  • Manual
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