McIntosh is one of the most dependable brand names when it comes to high-end audio systems. For years the brand has been recognized by audiophiles throughout the world as equipment that delivers clear and consistent quality in music. McIntosh is probably best known for its amplifiers and preamps, but the company produces many other components and parts for stereo and home theatre.

What are the specs for the McIntosh MA 6400?

Power Output:
100 WPC into 4 ohms Stereo
Frequency Response:
20Hz to 20kHz
Damping Factor:
Input Sensitivity:
2.5mV (MM), 250mV (line)
Signal to Noise Ratio:
90dB (MM), 100dB (line)
445 x 137 x 460mm

What else to know about the McIntosh MA 6400?

The Mclntosh MA6400 is an Integrated Amplifier with 100 watts per channel, combined with a full featured remote controlled Preamplifier. The MA6400 includes the popular Mclntosh features such as POWER GUARD, DC output protection, thermal protection and Sentry Monitor protection circuits. Front panel power guard indicators are included for each channel. Large illuminated front panel power level meters read the power output of each channel to a high degree of accuracy. The Preamplifier section can accommodate seven high level signal sources, or six high level and one magnetic phono. All switching functions are performed with digital logic integrated circuits driving ultra reliable, low distortion Electromagnetic switches. Bass and Treble controls as well as an active Loudness control give the listener a wide range of options to shape the frequency response to optimum for any listener preferences. All the circuit elements for these controls are removed from the circuit path when the controls are in their flat settings. Rear panel signal processor connections can be switched in or out of the circuit with a convenient switch. Other features include two Tape Monitor switches, two Tape Copy switches and a Headphone jack for private listening. The MA6400 can be muted with the Hand Held Remote Controller

Brief History of McIntosh

Long mapped-to Binghamton New York – the current headquarters and manufacturing center for McIntosh Labs – not many people know the brand was originally launched outside of the Nation’s Capital in Silver Spring Maryland, in 1949. In 1956, the brand built their original facility in New York, according to the official brand website.

Other McIntosh Products We Often Buy

Typically, StereoBuyers purchases mostly used amplifiers, especially the vintage amps and high-end McIntosh models such as the MC202 or MC252, and the C220 preamp, for example. We have also purchased many pre-owned tuners from McIntosh over the recent years, including the MR67 and MR78 models, for example.

StereoBuyers has purchased tens of thousands worth McIntosh brand equipment since 2014, with individual buys ranging from $100 to well over $50,000. If you are moving, ready to upgrade, or have McIntosh equipment you do not or will not be using, why not contact us today to find out if it is worth good money?

If you are interested in selling your used McIntosh equipment to us in the greater NYC area or Colorado, please click here to fill out a Free Quote Form and we will get back to you. If we agree on terms, we come to meet you where you want, and pay cash.

The following images show actual McIntosh equipment purchased by StereoBuyers.