Description
The HA-3 Modified 2-cc Coupler is a precision-engineered acoustic cavity designed specifically for the rigorous demands of hearing aid manufacturing, assembly, and repair. Featuring a built-in protection flange and a dedicated metal entry tube, this specialized coupler allows for direct, reliable connection to unfinished custom faceplates and raw component assemblies before the outer shell is permanently attached. By providing a stable, standardized 2-cc volume without the need for traditional sealing putty, it ensures highly repeatable and accurate electroacoustic measurements on your FONIX test systems, making it an indispensable tool for quality control and hardware verification.
- Acoustic Volume: Standardized 2-cc cavity volume.
- Standards Compliance: Engineered to meet ANSI S3.7 and ANSI S3.22 electroacoustic hearing aid measurement specifications.
- Connection Interface: Specialized metal entry tube designed for soft, flexible acoustic tubing attachments.
- Safety & Stability Features: Integrated physical protection flange surrounding the entry tube to prevent impact damage during manual assembly handling.






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