Features: - Push-Pull tube preamp - Gain from +10 dB to +70 dB in 2 dB steps - Attenuator pad (pre-transformer) -20 dB - Phantom power supply +48V - Peak indicators - Mic input impedance: 600 Ohm / 1.2 kOhm / 2.4 kOhm - CMRR: >60 dB @ 10 kHz - Instrument input on the front - XLR inputs and outputs on the back - DI input impedance: >1 MOhm - Frequency response: 5 Hz - 60 kHz (-3 dB) - Self-noise: 5 dB @ 200 Ohm - 19" rack format - 2U