What Measurement Microphones and Mic Preamps are available and where can I purchase them?

While laboratory grade microphones and mic preamps are relatively easy to find, they can be quite expensive. Inexpensive measurement microphones and mic preamplifiers are more difficult to locate so we have made an attempt to locate a few products that can make it easier for audio hobbyists to set up an audio test lab. Behringer ECM8000 Omnidirectional Measurement Microphone This microphone is generally available at music stores for around $40.00.

It is an electret condenser type and requires phantom power (+15 to +48 VDC) from the preamp in order to operate. You will need a mic preamp that supplies phantom power in order to use the mic with your computer sound system. Based on the frequency response curve provided with the microphone the response appears to be within plus-or-minus 1 dB from 20 to 20 kHz.

Behringer UB802 Microphone Mixer The UB802 has two microphone input channels with switchable 48 VDC phantom power as required by the ECM8000 microphone above. This unit is generally ... more.

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