The Golden Age PRE 73 MKII is a preamp for microphone or guitar with a remarkable quality/price ratio.
The Golden Age PRE73 MKIII has max. Mic 80 dB Gain, High Pass Filter, -3 dB at 40 and 170 Hz, 6 dB / Octave, 2 positions Air EQ with +3 or +6 dB boost at 30 kHz, switchable impedance 1200 ohm or 300 ohm, + 48V Phantom Power.