RIAA phono preamplifiers two units "Twins
For Moving Magnet type of cartridges.

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Parameters, unit 1:
Input signal: 3...5 mV
Input impedance: 47 kOhm
Output signal: 500 mV (Line level)
Correction: RIAA, passive
Tubes: 6SL7 / 6H9C and 6SN7 / 6H9C, 6Ц5C
Rectifier: classic CLC with kenotron tube
Power consumption: 45W

Parameters, unit 2:
Input signal: 3...5 mV
Input impedance: 47 kOhm
Output signal: 500 mV (Line level)
Correction: RIAA, passive
Tubes: 6SL7 / 6H9C and 6SN7 / 6H9C, 6Ц5C
Rectifier: active filter with FET
Power consumption: 40W

November 2013