B-Tech BT26 MM phono előerősítő és microphone előerősítő

TECHNICAL SPECIFICATIONS:                                                                                                                                                Input impedance: 50KOhm/1kHz, Input level: 0.5mV-microphone mode / 3mV-phono mode, Gain: 50 db-microphone mode / 34 db-phono mode, Signal / noise ratio: >48 db-Mic mode / >55 db-Phono mode, Frequency response (Mic Mode): +1db to -3 db / 70Hz – 20kHz, RIAA equalisation (phono mode): RIAA +1db to -3 db / 30Hz – 20kHz, Output level: 150mV, RMS load impedance: >10KOhms, Overload margin: 23 db, Crosstalk: 55 db, Supply voltage: 12 – 15v DC, 100mA, 1.3mm DC socket (centre + ve)