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Microphones and Acoustics

Frequently Asked Questions

Get your most commonly asked acoustics questions answered.

Section I: Definitions and Terminology
Section II: Microphone Recommendations
Section III: Calibration and Testing
Section IV: Specification Clarifications
Section V: Specialty Microphone Applications
Section VI: Maintenance and Handling

If you don’t see the answer to your question, call our 24/7 SensorLineSM 716-684-0001 to speak with an application engineer or visit Ask the Acoustics Experts.

What is ICP®?

ICP® is a registered trademark of PCB Piezotronics Inc. It is a PCB® sensor containing built-in electronics which can be powered by 2-20 mA of constant current power. An accelerometer that runs off ICP® sensor power will have electronics in the housing. For a condenser microphone to run off this same ICP® sensor power, you will require a prepolarized microphone and a preamplifier which houses the built-in electronics.

What is ICP®?

ICP® is a registered trademark of PCB Piezotronics Inc. It is a PCB® sensor containing built-in electronics which can be powered by 2-20 mA of constant current power. An accelerometer that runs off ICP® sensor power will have electronics in the housing. For a condenser microphone to run off this same ICP® sensor power, you will require a prepolarized microphone and a preamplifier which houses the built-in electronics.