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Amplifiers & AV Receivers

MA8900

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2-Channel Integrated Amplifier
  • 200 Watts x 2 channel
  • 5-band tone control
  • Comes with DA1 Digital Audio Module installed
  • Optional dealer installed upgrade to DA2 Digital Audio Module available
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—Product Description

Bring all your music to life with the MA8900 Integrated Amplifier. It offers 200 Watts per channel and combines many new features with our legendary amplification prowess and preamplifier capabilities into one all-encompassing unit.

"The McIntosh MA8900 Integrated Amplifier is everything an audiophile might desire, both sonically and in durability... The sound is dynamic without being harsh, controlled without being lifeless, detailed without becoming shrill, and absolutely realistic... [it] can help you make the best of your music, your speakers, and your room." - SECRETS of Home Theater and High Fidelity

The MA8900 is the first product to feature our new McIntosh Monogrammed Heatsinks™. They are made from high quality materials with excellent thermal conductivity properties and are so efficient at dissipating heat that they warrant bearing the McIntosh “Mc” logo. Besides helping your MA8900 run cool, they’ll also help it look cool thanks to our new finishing process that results in a higher quality appearance. They are connected to advanced high current output transistors that eliminate thermal equilibrium lag time (or warm-up time) so that the first musical note played sounds just as good as songs played later in your listening session.

"The sound character of the McIntosh MA8900 is beautifully balanced and detailed, and I have to admit that I am very much in love." Awarded 5 Stars. - Stereo+

To keep up with the ever-changing world of digital audio, all the digital inputs are housed in our new DA1 Digital Audio Module. The DA1 Digital Audio Module can be replaced by future modules to easily keep your MA8900 current with all the latest digital audio formats and technologies. (NOW AVAILABLE: Optional dealer installed upgrade to the DA2 Digital Audio Module.) The DA1 comes with an upgraded 8-channel, 32-bit Digital-to-Analog Converter (DAC) used in Quad Balanced mode; it has 6 digital inputs consisting of 2 coax, 2 optical, 1 USB and 1 MCT for use with our MCT500 SACD/CD Transport. The coax and optical inputs will decode music up to 24-bit/192kHz for high resolution audio playback; the USB input accepts even higher PCM signals up to 32-bit/384kHz and supports up to DSD256 and DXD 384kHz. Analog stereo inputs include 1 balanced and 6 unbalanced plus 1 each of Moving Coil and Moving Magnet for turntable connectivity. All inputs can be given custom names for user-friendly system control and configuration. Unlike our previous integrated amplifiers, every input now functions independently of each other and all are always available for use regardless of how you connect your sources.

With "a fluid sound" that's "without hardness," the MA8900 can "cope with the most difficult speakers." Unlike many solid state amplifiers, the MA8900 "creates no tiredness" of listening and does so "without sacrificing the speed or sharpness sometimes necessary" for certain types of music while at the same time it can do "justice to the volume of a symphonic orchestra" and exhibit "extreme refinement when the music requires it." Awarded d'Or 2017 Hi-Fi Award - Diapason

Besides new heatsinks and advanced digital audio capabilities, the MA8900 includes many other updates. Our engineers have used new, more powerful control microprocessors to improve overall system operation. They have also incorporated some of the latest audio-grade circuit components to allow the MA8900 to deliver the best sound possible.

"The MA8900 doesn’t sound good - it sounds marvelous, on all types of music. It engenders a sense of pride of ownership, has Cadillac build quality, [and] intelligent user features." - StereoNET

At 200 Watts per channel, the MA8900 has enough power to properly drive virtually all loudspeakers. And the renowned McIntosh Autoformer™ guarantees your speakers will always receive the full 200 Watts regardless if they have 2, 4 or 8 Ohm impedance. Other McIntosh features included in the MA8900 are:

  • Power Guard® that monitors and adjusts the sound wave at the speed of light to prevent harsh sounding distortion and clipping that could damage your speakers
  • Sentry Monitor™ is our fuse-less short-circuit protection circuit that disengages the output stage before current exceeds safe operating levels and then resets automatically when operating conditions return to normal
  • Home Theater PassThru that allows for seamless integration into a home theater system
  • High Drive headphone amplifier with Headphone Crossfeed Director (HXD®) which can bring an added dimension to headphone listening
  • A discrete, five-band tone control that permits manual analog adjustment of your favorite recordings
  • Power Control to send power on/off signals to connected McIntosh components for easy system power up and shutdown
  • Gold-plated speaker binding posts that prevent corrosion to ensure a quality signal is sent over your speaker cables to your speakers

The MA8900 is one of many McIntosh products to receive Roon Tested designation from Roon Labs. It has been profiled and tested by both Roon and McIntosh for maximum compatibility. Roon will recognize it and send it audio optimized for its capabilities. No fiddling with checkboxes or dropdowns, Roon Tested devices are automatically identified and configured out of the box for a superior customer experience.

The entire unit is wrapped in the timeless McIntosh aesthetic with blue watt meters, a black glass front panel, control knobs, illuminated logo, aluminum end caps and a beautiful polished stainless steel chassis. Contact your local dealer to learn more.

Specifications

ELECTRONIC SPECIFICATIONS

  • Power Output per Channel200 Watts
  • Number of Channels2
  • Speaker Impedance2, 4, or 8 Ohms
  • Rated Power Band20Hz to 20kHz
  • Total Harmonic Distortion0.005%
  • Dynamic Headroom2dB
  • Frequency Response +0,-0.5dB20Hz to 20kHz
  • Frequency Response, +0, -3dB10Hz to 100kHz
  • Sensitivity Phono (Moving Coil)0.25mV
  • Sensitivity Phono (Moving Magnet)2.5mV
  • Sensitivity High Level (Balanced / Unbalanced)0.5V/0.25V
  • Sensitivity (Power Amp input)1.4V
  • Signal To Noise Ratio (Moving Coil)80dB
  • Signal To Noise Ratio (Moving Magnet)82dB
  • Signal To Noise Ratio (High Level)95dB
  • Signal To Noise Ratio (Power Amp input)113dB
  • Input Impedance (Balanced / Unbalanced)20K/20K
  • Damping Factor>40
  • Maximum Output (Balanced / Unbalanced)8V Unbalanced

CONNECTIVITY

  • Balanced Input1
  • Unbalanced Input6
  • Phono Input Moving Coil1 (adjustable loading)
  • Phono Input Moving Magnet1 (fixed loading)
  • Upgradeable Digital Audio ModuleYes: DA1
  • Digital Coaxial Input2
  • Digital Optical Input2
  • Digital MCT (DIN) Input1
  • Digital USB Input1
  • HDMI (ARC) Input0
  • Balanced Variable Output0
  • Unbalanced Fixed Output1
  • Unbalanced Variable Output2
  • Headphone Output1/4" High Drive with Headphone Crossfeed Director (HXD®)
  • Subwoofer Output0
  • AM/FM Tuner optionNo
  • Home Theater PassThruYes
  • Unbalanced Analog Connector TypeStandard
  • Speaker Binding Post TypeStandard
  • Service Port1

DIGITAL AUDIO SPECIFICATIONS

  • Digital-to-Analog Converter (DAC) Type8-channel, 32-bit/384kHz PCM/DSD, Quad Balanced
  • Digital Coaxial Input Sample Rate24-bit/44.1kHz to192kHz
  • Digital Optical Input Sample Rate24-bit/44.1kHz to192kHz
  • Digital MCT (DIN) Input Sample Rate16-bit/44.1kHz (CD)
    DSD64 (SACD)
  • Digital USB Input Sample Rate32-bit/44.1kHz to 384kHz (PCM)
    DSD64, DSD128, DSD256, DXD352.8kHz, DXD384kHz

CONTROL

  • Tone Controls5-Band
  • Tone Bypass and Input AssignYes
  • RS232 Control InputYes
  • Power Control Output1 Main, 2 Trigger
  • Rear Panel Data Port4
  • Rear Panel IR Sensor InputYes
  • Input Level MatchYes

GENERAL SPECIFICATIONS

  • Vacuum Tube or Solid StateSolid State
  • Output TypeAutoformer™
  • Output MetersYes
  • Dual Layer ChassisYes
  • Chassis FinishPolished stainless steel & black painted steel
  • McIntosh Monogrammed Heatsinks™Yes
  • Power Requirement120V 50/60Hz, 4.4 amps
  • Standby Power Requirement<0.25 Watts

WEIGHTS & DIMENSIONS

  • Unit Dimensions (W x H x D)17-1/2" (44.5cm) x 7-5/8" (19.4cm) x 18-3/4" (47.6cm)
  • Unit Weight75 lbs (34.1 kg)
  • Shipping Weight93 lbs (42.3 kg)
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