●VT-737SP SPECIFICATIONS Circuit Topology: Four dual triode vacuum tubes (Sovtek 6922), high-voltage discrete Class A Gain: Microphone: Transformer balanced 8502500 ohm, 0dB to +58dB Instrument: Unbalanced 1 meg ohm, 0dB to+30dB Line: Balanced Class A 20k ohms, -27dB to 28dB Maximum input level: Microphone26dB@25Hz, +30dB@1kHz balanced XLR Instrument+30dB Connector types: unbalanced front panel |