Microphone Preamplifier

500 Series module
Discrete operational amplifier OPA2
High impedance 2 MOhm instrument input
Switchable input impedance from 1500 Ohm to 300 Ohm
Switchable 48V phantom power
-20dB Pad
Colour function can be added to the original signal
Gain control GAIN from 20dB to 65 dB
LED Display for output peak level (+20 dB) and signal
LED Display for output level (>-30 dB)
LED Display for colour function
POL switch to invert the phase
Design: 500 Series module