¼" Preamplifiers 26AA, AB, AC, AL, AN and TC - Type 26A+ Series

Preamplifier Type 26AL
A ¼” Preamplifier similar to the Type 26AC, but with a SysCheck facility.

Insert-voltage Preamplifier Type 26AN
Similar to Type 26AB but with insert-voltage calibration facility for determining the open-circuit sensitivity of externally-polarised microphones.

Preamplifier Type 26AA
A ¼” Preamplifier with 0.3 m lightweight cable terminating in a 4-pin LEMO 0B connector. The preamplifier is intended for use with G.R.A.S. Sound Intensity Probes.

Preamplifier Type 26TC
A ¼” Preamplifier similar to Type 26AC but comes with a built-in TEDS * chip, and can be programmed as a single unit when fitted with a microphone.