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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.

Why do PCB® 130E21, 130E22 and 130A23 array microphone models have different diameters than the 1/4" 378 series microphones.

These microphones were designed with different diameters to be drop in replacements to other manufactures’ microphones. This eliminates the need to change holders or change set-up.

Why do PCB® 130E21, 130E22 and 130A23 array microphone models have different diameters than the 1/4" 378 series microphones.

These microphones were designed with different diameters to be drop in replacements to other manufactures’ microphones. This eliminates the need to change holders or change set-up.