GRAS OP0024 Kit for Frequency Calibration of Flush-mount Microphone Sets



For frequency calibration of GRAS flush-mount microphone sets, you will in addition to a GRAS 14AA Electrostatic Actuator Amplifier need an Electrostatic Actuator, an Actuator Calibration Holder and an adapter for each microphone size. This kit contains these additional items.i.e. actuator, holder and adapters for 1/8" and 1/4" sizes. For 1/2" no adapter is used.

Performance & Warranty

GRAS accessories are made of stainless steel, alloys and high-quality composites. These items are covered by a 2 year warranty respecting their intended use. On consumables like batteries, cables and windscreens we offer a 6 month warranty.

Ordering info

Included items


Electrostatic Actuator for Flush-mount Microphone Sets


Actuator Calibration Adapter for 1/4" Flush-mount Microphone Sets


Actuator Calibration Adapter for 1/8" Flush-mount Microphone Sets


Actuator Calibration Holder for  Flush-mount Microphone Sets

 Note: For 1/2", no adapter is used.

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.

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