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McIntosh MA7900 2-Channel Integrated Amplifier

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  • Product Description

    Audio dreams become reality when you play your music through the MA7900 Integrated Amplifier. Combining amp and preamp capabilities, along with a Digital-to-Analog Converter (DAC) and phono section all in one space saving unit, it has the technology and features that music lovers demand.

    Featuring 12 total inputs - including 3 dedicated digital inputs to decode your digital music up to 32 bits and 192kHz for high resolution audio playback - the MA7900 has enough connections and modern technology to keep all your music sources connected and sounding great for years to come. The discrete, five band tone control is assignable by input and permits manual analog adjustment of your favorite recordings, allowing them to sound better than they ever have.

    It glides through music with "poise and agility" just waiting for the right moment to unleash "its full glory and reach out with so much dynamic power that you are left open-mouthed... there aren’t many better amplifiers better beyond this one." - Stereo Magazine

    Two dedicated phono sections (1 Moving Magnet and 1 Moving Coil) can be adjusted to perfectly match your turntable and phono cartridge, allowing you to rediscover your valued record collection. The Home Theater Pass Through feature will allow for seamless integration into your existing multi-channel theater system.

    "If there were such a thing as a toe-tapping test, the MA7900 would pass with flying colors... It's engaging, neutral and never gets in the way of the music." - The Audiophile Voice

    With a healthy 200 Watts per channel, the amplifier section has enough power to properly drive virtually all loudspeakers. The included world famous McIntosh Autoformer guarantees your speakers will always receive the full 200 Watts regardless of their impedance, while Power Guard will prevent clipping that could damage your speakers. Our new High Drive headphone​ amplifier features increased gain and output power, and is optimized for virtually all headphone types for the ultimate personal listening experience.

    The entire unit is housed in a beautiful polished stainless steel chassis that not only compliments the classic glass front panel, but also your room decor. Contact your local to learn more.

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  • Other Details


    Power Output per Channel 200 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 2dB
    Frequency Response +0,-0.5dB 20Hz to 20kHz
    Frequency Response, +0, -3dB 10Hz 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) 1.4V
    Signal To Noise Ratio (Moving Coil) 82dB
    Signal To Noise Ratio (Moving Magnet) 84dB
    Signal To Noise Ratio (High Level) 95dB
    Signal To Noise Ratio (Power Amp) 113dB
    Input Impedance (Balanced / Unbalanced) 20K/20K
    Damping Factor >40
    Maximum Output (Balanced / Unbalanced) 8V Unbalanced
    Amplifier Type Solid State
    Output Autoformer Yes
    Output Meters Yes
    Dual Layer Chassis Yes
    Chassis Finish Polished stainless steel & black painted steel
    McIntosh Monogrammed Heatsinks™ No
    Power Requirement 120V 50/60Hz, 4.8A
    Standby Power Requirement <0.25 Watts
    Dimensions (W x H x D) 17-1/2" x 7-5/8" x 22"
    Weight 75 lbs.


    Balanced Input 1
    Unbalanced Input 6
    Phono Input Moving Coil 1 (adjustable loading)
    Phono Input Moving Magnet 1 (fixed loading)
    Upgradeable Digital Audio Module No
    Digital Coaxial Input 1
    Digital Optical Input 1
    Digital MCT (DIN) Input 0
    Digital USB Input 1
    Balanced Variable Output 0
    Unbalanced Fixed Output 0
    Unbalanced Variable Output 2
    Headphone Output 1/4" High Drive
    AM/FM Tuner option No
    Home Theater PassThru Yes
    Unbalanced Analog Connector Type Standard
    Speaker Binding Post Type Standard
    Service Port 0

    Digital Audio Specifications

    Digital-to-Analog Converter (DAC) Type 2-channel, 32-bit/192kHz PCM/DSD
    Digital Coaxial Input Sample Rate 16-bit, 24-bit/32kHz to 96kHz
    Digital Optical Input Sample Rate 16-bit, 24-bit/32kHz to 96kHz
    Digital MCT (DIN) Input Sample Rate N/A
    Digital USB Input Sample Rate 16-bit, 24-bit, 32-bit/32kHz to 192kHz


    Tone Controls 5-Band
    Tone Bypass and Input Assign Yes
    RS232 Control Input Yes
    Power Control Output 1 Main, 2 Trigger
    Rear Panel Data Port 6
    Rear Panel IR Sensor Input Yes
    Input Level Match Yes