The bottom is where the digital circuits are and the power supply, and it's sealed inside between those two boxes. It never wears out, never needs cleaning. So unlike other electronic volume controls, we have to turn, and turn, and turn them - this one feels conventional, but it's totally electronic. The volume control is electronic so it never needs cleaning, yet it is one turn from beginning to end. It also incorporates a very high-quality headphone amplifier with McIntosh's crossfeed circuit, which makes it sound less like the headphones are firing into your two ears and gives you more of a panorama of sound in front of you. It has USB so you can hook up your computer to the C47.
And some digital-to-analog converters sell for $20,000.
This also has unusually high-quality digital-to-analog converter in it. That's a feature that's pretty common on $10,000 separate phono stages but very unusual on a preamp in this price range. You can adjust that from your chair by remote control while the music is playing for the very best sound. When I say optimized, what I mean is you can set the "loading," which is the impedance that the turntable is connected to the preamp at. You could actually have two turntables, one with a moving magnet cartridge, one for moving coil cartridge, and this can be optimized for each. So you can hook up several power amps, power amps for different rooms, outputs for powered subwoofers, just about anything you could want. It has multiple outputs, both balanced XLR and conventional RCA. It is an analog preamp with multiple inputs, both conventional RCA-type and XLR balanced inputs. The C47 stereo preamplifier from McIntosh is likely the best value preamp McIntosh has ever produced.
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