The Quartz frequency synthesis tuning in the Gamma 20 provides exceptional tuning accuracy with no drift. * Signal to noise ratio: 67dB (MC), 80dB (MM), 95dB (line)\ * Input sensitivity: 0.2mV (MC), 2mV (MM), 110mV (line) The phono selector provides a choice of input impedances, the phono equalizer is direct coupled, and the stabilized power supply circuit uses FETs.įeatures include a record out selector, centre defeat tone controls, bidirectional tape dubbing and stereo/mono selection. The Beta 20 is designed to accept low output moving coil phono cartridges with it's built in head amp. This pre-amplifier features moving magnet AND moving coil phono inputs (along with usual CD, tuner, etc inputs) with adjustable settings, so you can hook up a turntable even with expensive MC cartridges. (note, photos show matching preamp and tuner, which have already been sold).Ģ). Will demo with B&W speakers to show how well it sounds. * Power output: 120 watts per channel into 8Ω (stereo) Power output is 120 watts per channel RMS, both channels driven into 8 ohms, with no more than 0.008% total harmonic distortion.Īdvanced circuit technology includes parallel push-pull output, dual vertical peak power display, quick responding protection circuit and a rack mountable design. The Alpha 220 features DC servo high-speed switching circuitry. This amp will blow modern receivers out of the water, as it features true 120 watts per channel into 8 ohms. Has a nice front metal plate and rack-mount handles. Top covers has a couple visible scratches.
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Excellent made in Japan stereo amplifier - Nikko Alpha 220.