MCINTOSH 2-Channel Integrated Amplifier (MA9000)

  • 300 Watts x 2 channel
  • 8-band tone control
  • DA1 Digital Audio Module
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Description

The MA9000 Integrated Amplifier can help you achieve audio perfection. Our largest integrated in both size and power, it offers 300 Watts per channel and combines our amplifier and preamplifier expertise into one comprehensive unit.

The “MA9000 is one of the most complete audio products I’ve reviewed.” When factoring in build quality and finish, “the result is the most easily recommendable product I’ve reviewed in years.” Named 2018 Integrated Amplifier Product of the Year. – SoundStage! Network

There are enough inputs and outputs on the MA9000 to last a lifetime. The 10 analog connections are comprised of 2 balanced and 6 unbalanced inputs plus 1 Moving Coil and 1 Moving Magnet for turntable connectivity. Both phono inputs feature adjustable loading for fine tuning of vinyl playback. All unbalanced analog connectors are made from premium gold-plated solid brass for superior signal handling and grounding.

“The large open sound feels right every time we sink into a sofa and turn up the volume. The natural sound gives us goose bumps.” The Highly Recommended “MA9000 is one of the three best amplifiers” we’ve tested, and it “may be the last amplifier you ever need to buy.” – Lyd & Bilde

On the digital side, 2 coax, 2 optical, 1 USB and 1 MCT input (for use with our MCT500 SACD/CD Transport) are all housed in our new DA1 Digital Audio Module; the DA1 can be easily replaced by future modules to keep your MA9000 up to date as new digital audio formats and technologies are developed. The DA1 utilizes a powerful 8-channel, 32-bit Digital-to-Analog Converter (DAC) used in Quad Balanced mode. 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. All inputs can be given custom names for user-friendly system control and configuration. All inputs also function independently of each other and each is always available for use regardless of how your sources are connected.

“We were wrong, McIntosh’s MA9000 is more than just ‘eye candy’, it’s ear candy as well… We were also wrong about having to use two words to describe the McIntosh MA9000. We can do it in one. Sweet!” – Audio Esoterica

The MA9000 features our new McIntosh Monogrammed Heatsinks™ that are made from high quality materials with excellent thermal conductivity properties. They are so efficient at dissipating heat that they warrant bearing the McIntosh “Mc” logo. They also have a higher quality finish thanks to a new manufacturing process. They are connected to advanced high current output transistors that eliminate thermal equilibrium lag time (or warm-up time), meaning the first note played will sound just as good as those played later in your listening session.

“Few manufacturers would have managed to combine so many functions in one device, with so little compromise and with such a satisfactory result.” The MA9000 reproduces “everything with a high degree of musical truth.” – Son et Image

“What I can certainty tell you is that this MA9000 is a product truly remarkable, complete, powerful, detailed and able to amaze every time!” – Fedeltà del Suono

New, more powerful control microprocessors have been used in the MA9000 to improve overall system operation. Some of the latest audio-grade circuit components have also been utilized to allow the MA9000 to deliver the best sound possible. At 300 Watts per channel, the MA9000 has enough power to properly drive virtually all loudspeakers – and our renowned McIntosh Autoformer™ guarantees your speakers will always receive that full 300 Watts regardless if they have 2, 4 or 8 Ohm impedance. Other McIntosh features included in the MA9000 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, eight-band tone control that allows for advanced 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
  • Our patented Solid Cinch™ speaker binding posts that easily but securely attach the speaker cables to prevent them from coming loose and possibly causing a short; the binding posts are also gold-plated to prevent corrosion and ensure a quality signal is sent over your speaker cables to your speakers

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

MA9000

Electronic Specifications

  • Power Output per Channel 300 Watts
  • Number of Channels 2
  • Speaker Impedance 2, 4, or 8 Ohms
  • Rated Power Band 20Hz to 20kHz
  • Total Harmonic Distortion 0.005%
  • Dynamic Headroom 1.8dB
  • Frequency Response +0,-0.5dB 20Hz to 20kHz
  • Frequency Response, +0, -3dB 10Hz to 100kHz
  • Sensitivity Phono (Moving Coil) 0.30mV
  • Sensitivity Phono (Moving Magnet) 3.0mV
  • Sensitivity High Level (Balanced / Unbalanced) 0.6V/0.3V
  • Sensitivity (Power Amp input) 1.7V
  • Signal To Noise Ratio (Moving Coil) 82dB
  • Signal To Noise Ratio (Moving Magnet) 84dB
  • Signal To Noise Ratio (High Level) 98dB
  • Signal To Noise Ratio (Power Amp input) 114dB
  • Input Impedance (Balanced / Unbalanced) 10K/22K
  • Damping Factor >40
  • Maximum Output (Balanced / Unbalanced) 8V Unbalanced
    16V Balanced

Connectivity

  • Balanced Input 2
  • Unbalanced Input 6
  • Phono Input Moving Coil 1 (adjustable loading)
  • Phono Input Moving Magnet 1 (adjustable loading)
  • Upgradeable Digital Audio Module Yes
  • Digital Coaxial Input 2
  • Digital Optical Input 2
  • Digital MCT (DIN) Input 1
  • Digital USB Input 1
  • Balanced Variable Output 1
  • Unbalanced Fixed Output 1
  • Unbalanced Variable Output 1
  • Headphone Output 1/4" High Drive with Headphone Crossfeed Director (HXD®)
  • Subwoofer Output 0
  • AM/FM Tuner option No
  • Home Theater PassThru Yes
  • Unbalanced Analog Connector Type Premium gold-plated solid brass
  • Speaker Binding Post Type Patented Solid Cinch™ Speaker Binding Posts
  • Service Port 1

Digital Audio Specifications

  • Digital-to-Analog Converter (DAC) Type 8-channel, 32-bit/384kHz PCM/DSD, Quad Balanced
  • Digital Coaxial Input Sample Rate 24-bit/44.1kHz to 192kHz
  • Digital Optical Input Sample Rate 24-bit/44.1kHz to 192kHz
  • Digital MCT (DIN) Input Sample Rate 16-bit/44.1kHz (CD)
    DSD64 (SACD)
  • Digital USB Input Sample Rate 32-bit/44.1kHz to 384kHz (PCM)
    DSD64, DSD128, DSD256, DXD352.8kHz, DXD384kHz

Control

  • Tone Controls 8-Band
  • Tone Bypass and Input Assign Yes
  • RS232 Control Input Yes
  • Power Control Output 1 Main, 2 Trigger

Additional information

Brand

Detailed Specifications

https://www.mcintoshlabs.com/-/media/Files/mcintoshlabs/DocumentMaster/us/MA9000-brochure-35106500.ashx

Type

Owner's Manual

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