Perreaux Model: SM4 Date of Manufacture: 1992 Product Type: Stereo Preamplifier info@perreaux.com www.perreaux.
Specifications: Frequency Response .......................................................................................20Hz-50kHz, ±0.25dB Input Sensitivity Moving Coil ........................................................................................................... 175μVrms @ 1kHz Moving Magnet...................................................................................................... 1.8mVrms @ 1kHz Aux/CD .............................................................................