McIntosh MC255

 

5-Channel Solid State Amplifier

250 Watts x 3 Channels; 200 Watts x 5 Channels
TripleView™ Power Output Meter
More than 100% increase in Dynamic Headroom
Dynamic Power Manager®; Power Guard®
Designed for home theaters

The MC255 features our striking new TripleViewPower Output Meter that independently indicates the real time power reading of the amplifier’s three front channels. Instead of three separate meter windows each housing a single meter as found on our previous 5-channel home theater amplifier, the easy-to-read, 15” (38 cm) wide TripleView features three of our traditional mechanical meters in a single meter enclosure. While a totally new design, each of the three peak responding pointers in the TripleView meter have the same enticing motion that McIntosh meters are known for and function at the same high level as any of our meters. The enchanting look and welcoming glow of the TripleView meter is sure to draw interest from friends and family, but its trademarked blue lighting can be turned off so as not to compete with your TV or movie screen.

Besides the new TripleView meter, the MC255 has received many other performance upgrades to deliver an unforgettable cinema experience in your home theater. Filter capacity has been increased by 50% which has more than doubled dynamic headroom from 1.7dB to 3.6dB – a key feature in a home theater amplifier – as well as improving the performance of low frequencies. When using just the front left, center and right channels, power output has been increased by 25% from 200 Watts per channel (WPC) to 250 WPC. When using all 5 channels, each will receive a healthy 200 WPC. Regardless of how many channels are used, the full 200 or 250 Watts is delivered to either 4 or 8 Ohm speakers via our Dynamic Power Manager®(DPM) technology.

The MC255 runs cool and quiet thanks to four of our McIntosh Monogrammed Heatsinks which are connected to advanced high current output transistors that efficiently and silently cool the amplifier; as a result, noisy cooling fans that can interfere with the movie soundtrack are not needed. A quiet, specially wound toroidal isolation power transformer also helps keep noise to a minimum. Speaker terminals have been updated to our standard gold-plated binding posts that prevent corrosion and ensure a quality signal is sent to your home theater speakers. Traditional McIntosh knobs now adorn the front panel to control the meter lights and power function. Direct LED backlighting has been added to the front panel for improved color accuracy and durability. Our eco-friendly power management system that will turn the amplifier off after a set amount of time when no input signal has been detected is also now included.

ELECTRONIC SPECIFICATIONS

  • Power Output per Channel
    3 Front Channels only: 250W @ 4 or 8 Ohms
    All 5 Channels: 200W @ 4 or 8 Ohms
  • Number of Channels
    5
    (can also be used as a 2-zone amplifier with 3 channels in zone A and 2 channels in zone B)
  • Total Harmonic Distortion
    0.005%
  • S/N below rated output
    108dB
  • Dynamic Headroom
    3.6dB
  • Damping Factor
    >70 @ 4 Ohms
    >140 @ 8 Ohms
  • Rated Power Band
    20Hz to 20kHz
  • Frequency Response
    +0, -0.25dB from 20Hz to 20,000Hz
    +0, -3dB from 10Hz to 100,000Hz

CONTROL

  • Remote Power Control
    Yes, 5 or 3 + 2 Channel
  • Multi-Channel DB25 Cable
    No

CONNECTIVITY

  • Speaker Binding Post Type
    Standard

GENERAL SPECIFICATIONS

  • Circuit Configuration
    Push-Pull Complementary
  • Circuit Design
    Solid State
  • Mono Bridge
    No
  • Mono Parallel
    No
  • Output Type
    Direct Coupled with Dynamic Power Manager®
  • Meters
    TripleView™ Power Output Meter
  • Meter Light Switch
    Yes
  • Balanced Input
    5
  • Front Panel
    Glass
  • Illumination
    Direct LED
  • Chassis Style
    Inverted

WEIGHTS & DIMENSIONS

  • Dimensions (W x H x D)
    44.5cm x 23.9cm (including feet) x 53.3cm (including front panel and cables)
  • Weight     40.6 kg
  • Shipping Weight     55.6 kg
Vekt 37.6 kg
Dimensjoner 53.5 × 44.5 × 23.9 cm
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