20 hours of work (functionality check and testing)
MM / MC phono corrector of the German company RESTEK. Consists of two identical mono amplifiers with active and passive RIAA corrections.
For exact coordination with the heads, stepwise selection of input resistances and capacities is provided (by switching jumpers on the bottom panel).
For MM heads, the input capacitance is selected, and for MC heads, the input resistance. The volume and input sensitivity are also adjustable. With the correct setting of the input sensitivity (GAIN) in the loudest parts of the phonogram, the overload indicator (PEAK) on the display should not light up. There is also an automatic mode for setting the input sensitivity sensitivity
There are no capacitors in the phono stage signal circuits. The front panel of the device is chrome-plated.

Specifications

Number of channels: 2;
Schematics: semiconductor
Reproducible frequency range 10 – 20000 Hz (-0.2 dB)
Harmonics coefficient 0.005%
The signal/noise ratio is 99 dB
Input resistance 47 kΩ
The output voltage is 10000 mV
Output resistance 0.05 kΩ
Phono corrector MM, MC
balance adjustment
GAIN adjustment
volume control
Adjusting the brightness of the display (Dimmer)
Adjustment of input resistance
Adjustment of input capacity
Input – Phono RCA
RCA line output
display
The front panel is chrome-plated
Body material is aluminum
Clear factor: 0.005%
Adjustment of input resistance
- for MC heads 50 Ohm ... 680 Ohm
Adjustment of input capacity
- for MM heads 100 pF ... 600 pF
Gain adjustment + 32dB ... + 64dB at 1 kHz
Display backlight: blue
Dimensions (WxHxD) 285x64x330 mm
Weight 3.4 kg