Measurement microphone 4953

prepolarized1/2"pressure

Product overview
Type 4953 is a prepolarized ½-inch pressure-field microphone cartridge designed for precise coupler and in‑cabin acoustic measurements in laboratory and production test environments. It provides a pressure-field response suitable for standard-compliant measurement procedures.

Key features

• Prepolarized ½-inch pressure-field microphone cartridge — no external bias required
• Optimized geometry for coupler and in‑cabin measurements
• Stable and repeatable response for reference and comparative testing

Applications

• Coupler-based acoustic measurements (ear simulators, headset testing)
• In‑cabin noise and acoustic evaluation (automotive, aerospace interiors)
• Laboratory reference measurements and production test setups

Standards
Designed to meet applicable ANSI requirements for ½-inch pressure-field microphone measurements and suitable for standardised test procedures.

Technical specifications

• Commercial designation: Type 4953
• Type: Pressure-field microphone cartridge
• Diaphragm size: ½-inch
• Polarization: Prepolarized (internal)
• Primary use: Coupler and in‑cabin acoustic measurements
• Standards: ANSI compliant