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The AL0010 provides a convenient platform for testing condenser microphones. It has a fixture for holding a 1/2" preamplifier (e.g. Type 26AK) securely in place as well as recesses and a column for safely parking electro-static actuators (i.e. RA0014 and RA0015) and microphone protection grids when not in use. It can be set-up for both 1/2" and 1" microphones.
The AL0010 is a useful addition to a set up (which includes a Type 14AA) for routinely calibrating condenser microphones.