| _,eptembe„x MICROPHONE PREAMPLIFIER WITH ACTIVE FILTER by S.G. Dimitriou When a microphone is used a good distance away from an amplifier,...
| _,eptembe„x MICROPHONE PREAMPLIFIER WITH ACTIVE FILTER by S.G. Dimitriou When a microphone is used a good distance away from an amplifier,...
| EE 36 October 1987 LOW-NOISE MICROPHONE PREAMPLIFIER A quality preamplifier that can be configured for low and high impedance, as well as ba...
| This microphone preamplifier incorporates automatic gain control, which keeps the output level fairly constant over a wide range of input...
| This compact, low-noise, battery- powered preamplifier can be used to boost the signal from electret and low impedance dynamic micropho...
| This preamp is specifically intended for use with low impedance microphones; its advantages are high output level, large ban...