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We offer a range of microphone preamplifiers which are suitable with both Class 1 and Class 2 microphone capsules.
MV:220A 1/2” Prepolarised Microphone Preamplifier
The MV:220A 1/2-inch Preamplifier is a general purpose preamplifier suitable for use with prepolarised measurement 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.
The MV:220A can be used with the Cirrus Research Class+ Microphone Capsules including:
- MK:224 Class 1 Microphone Capsule
- MK:216 Class 2 Microphone Capsule