1-INCH MICROPHONE PREAMPLIFIER, VERY LOW NOISE, 20 DB GAIN, FOR TYPE 4179 CONDENSER MICROPHONE.
Condenser Microphone Type 4179 and Microphone Preamplifier Type 2660 constitute a unique system for measuring sound pressures well below the nominal 0dB re μPa reference level for acoustic measurements.
The 1/3-octave bandwidth inherent noise floor of the complete system at 1 kHz is typically -16dB.
USE SCENARIOS:
Features: