About G73B-500
500 Series Preamp inspired by the Neve 1073 preamp.
Partially modified to present our own sound characteristics, without changing the essence of Neve 1073.
Input and output audio transformers.
Input Stage all discrete (2N3055 included).
Output Stage Mod, controlled with Burr Brown OPA2134 opamp.
Specifications:
Compatibilidade 500 Series Lunchbox Compatible
Power Consumption +/ 16 Volts DC / 65mA (max.)
Signal Section:
THD (Total Harmonic Distortion) @ 1kHz
0.00022% @ +5dB Gain
0.00083% @ 15dB Gain
0.00182% @ 30dB Gain
0.47163% @ Max. gain
Equivalent Input Noise
-90dB @ +10dB Gain
-82dB @ +30dB Gain
-55dB @ Max. Gain
Mic Gain 74dB
Line 32dB
Input Impedance (MIC) 200 Ω (with permalloy audio transformer)
Input Impedance (Line) 10k Ω (with permalloy audio transformer)
Output Impedance 600 Ω (with silicon audio transformer)
Frequency Response 20Hz to 20kHz (2.5dB Gain)
Controls Gain, Trim, Phantom Power 48V, PAD, Phase Reverse, Line (Front Input).
Line TRS balanced
Weight 372 gramas
Warranty: 1 year
