About Supertone
2 Ch all discrete preamp.
Dual all discrete opamp and output audio transformers.
Very warm, very velvety!
Low noise with 77 dB gain!
Specifications:
General Info Section:
External Source 110/220 Volts ~ (50/60Hz)
Power Consumption +/- 15 Volts DC / 65mA (max.)
Signal Section:
THD 0.003% to 1.5% (max.)
Equivalent Input Noise -90dB @ 10dB, -82dB @ 20dB, -52dB @ Max. Gain
Noise Floor (Nominal) -87dB
Mic Gain 77dB
Hi-Z Gain 25dB, PAD -10dB
Input Impedance (MIC) 1k Ω
Input Impedance (Hi-Z) 10k Ω
Output Impedance 600 Ω (with audio transformer model TT-6060B)
Audio Transformer (Turns Ratio) 350 Ω
Frequency Response 5Hz to 22kHz (2.5dB Gain)
Controls Gain, Phantom Power 48V, PAD, Phase Reverse, Hi-Z (Front Input)
Hi-Z (Line/Inst) P10 unbalnced
Mic Section XLR unbalanced
Line Out XLR balanced
In Section Dual Discrete Greenbox OpAmps CB1945 (All Discrete)
Transistors BD135, BD136, 2N2905, 2N1711, BC546, BC556 (Dual OpAmp)
Out Section Greenbox Audio Transformers TT-6060B
Power Supply Greenbox External Source
Dimensions 1U x 19" x 180mm
Weight 2.975 kilos
Warranty: 1 year
