Advance Acoustic MPP-206 preamplifier, Preamplifier in good condition from the French top brand, complete with remote control, spikes, booklets, original cord and box. Technical specifications: Advance Acoustic MPP-206 Frequency range: 10 Hz – 70 kHz (+1 / -3 dB) Distortion: <= 0.03% Signa-to-noise ratio: > 90 dB (inaudible! Tried at maximum volume, has to be at least 105 dB) Channel separation: > 80 dB Input impedance Line: 10 kOhms Input impedance Phone: Z=47 ohms Input level Line: < 500 mV Input level Phone: 2.5 mV (MM), 0.2 mV (MC) Output level: 2 V Subwoofer crossover: 75 Hz or 150 Hz Dimensions (W x H x D): 44 x 11 x 35 cm Weight: 7.7 kg