Microphone preamplifier MV:220A

The MV:220A 1/2-inch Preamplifier is a general purpose preamplifier suitable for use with prepolarised microphone capsules. It is a small unit with a slimline profile and is powered via the coaxial BNC-type connector. Power is from a suitable constant-current source of typically 4mA with a power supply excitation voltage of between 15v and 24v DC. The frequency response (-3dB points) of the MV:220A are 2.6Hz to 150kHz.