- Circuit topology Four dual triode vacuum tubes (Sovtek 6922), high-voltage discrete Class A
- Gain Range Microphone: Transformer balanced 850/2500 ohm, 0dB to +58dB Instrument:
- Maximum input level and connector types Microphone26dB@25Hz, +30dB@1kHz balanced XLR
- Line +36dB balanced XLR
- Maximum output level +30dB balanced 600 ohms, DC coupled, discrete Class A
- Instrument+30dB unbalanced front panel jack socket