Golden Age Audio Premier PRE-73

Golden Age Audio Premier PRE-73, 1-Channel Microphone Line and Instrument Preamp, Discretely constructed, Carnhill input and line output transformers, Max. gain: 80 dB, Rasterized Gain control with 23 positions in 5 dB steps - Gain range 20 to 80 dB for microphone, Switchable impedance in microphone mode: 1200 or 300 Ωs, Hi-Pass filter: 80 Hz and 200 Hz adjustable, Switchable Air EQ boost function (3 or 6 dB at 30 kHz), Switchable 48V phantom power, Phase reverse switch, Microphone/Line combo input XLR/1/4 ...