McIntosh MCP-1 Moving-coil Preamplifier. SUPER RARE Get Ready for Hifi fun!

Here's a rare one---the Mcintosh MCP-1 Moving-Coil Preamplfier. 
For the true McIntosh Collector...

From the look of the RCA jacks, this has never been used. There are some imperfections on the rosewood top. Included the original McIntosh factory box (which, conveniently, fits perfectly into a USPS flat-rate, medium, priority-mail box). I'm grading this 8/10 because of the top's imperfections.

Here's some info copied from the Roger-Russel site: "The MCP-1 moving coil preamplifier was designed to complement the new McIntosh moving coil cartridges, MCC 800 and MCC 1000. By designing an outboard solid state preamp, also referred to as a Head Amp, it enables owners of earlier McIntosh equipment to use these cartridges with their existing system without purchasing a whole new preamp. It also provides a superior preamp that will work with any other moving coil cartridge.
The moving coil cartridge typically puts out 0.3 millivolts compared to 3.0 millivolts for a moving magnet type. One solution to increase this low voltage is to use a transformer. However, a transformer that operates at extremely low voltage levels has several problems. The ease with which the magnetic core concentrates lines of magnetic force vary with the voltage level. This variation adds distortion to the music signal at low frequencies. In addition, transformers are very susceptible to hum pickup and must be positioned away from power transformers in nearby equipment or other sources of stray alternating current fields.
One solution for a solid state preamp would be to make it battery operated and avoid the problems of hum fields from a power transformer. However, battery failure is a problem that McIntosh customers should not have to endure.
The McIntosh MCP-1 has a unique power supply that has no transformer and the power supply operates at a frequency of 200 kHz, which is way beyond the audio range. A separate power supply is used for each channel. The unique solid state design also keeps the hum and noise levels at an unusually low level."


Take a look at all the high-resolution photos and ask any and all questions. I will answer them if I can.


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