Phono preamplifier

Specifications:

• Processes signals from moving magnet and moving coil pickup cartridges
• Separate inputs for moving magnet and moving coil cartridges
• Sensitivity moving coil cartridges >= 0.2 mV
• Input impedance moving coil cartridges: selectable 50, 100 or 200 Ohm
• Sensitivity moving magnet cartridges >= 2 mV
• Input impedance moving magnet cartridges 47 kOhm
• Accuracy of correction for disc cutting (RIAA) characteristic < 0.05 dB (30 Hz - 30 kHz)
• Rumble filter 10 Hz, first order
• Frequency response 10 Hz - 100 kHz
• Output signal strength variable in three 6 dB steps for adjustment of cartridge sensitivity
• Switching functions by gas filled micro relais on printed circuit boards for trouble-free operation