Current powered 1/2” pre-amplifier
- suitable for 1/2" capsule pre-polarized
- Compatible with Bruel&Kjaer, GRAS, PCB or others
- Thread 60UNS
- Connection via BNC
- requires constant current for power-supply
- frequency range 20Hz-1MHz
- Gain -0.58dB @20Hz
- Gain -0.22dB @1KHz
- Gain -0.17dB @100KHz
- Max. output level 3V RMS @1kHz and 4mA power supply
