Resources

1. Counterfeit Beryllium Domes Discovered

   Materion-Electrofusion Products cautions its customers that counterfeit beryllium speaker diaphragms have infiltrated the marketplace. Suspicious domes obtained in China were analyzed and found to be titanium, painted gray to look like beryllium.

2. Is That Low Cost Beryllium Dome Or Cone Really Beryllium Analysis Of Suspicious Dome And Cone

   Materion-Electrofusion Products cautions its customers that counterfeit beryllium speaker diaphragms have infiltrated the marketplace. Suspicious domes obtained in China were analyzed and found to be titanium, painted gray to look like beryllium.

3. New Less Costly Beryllium Alloy Diaphragms

   For the best performance in high-frequency speakers, beryllium is the material of choice for diaphragms. Since pure beryllium’s price point may not be budget-friendly for some consumers, Materion Brush Beryllium & Composites’ AlBeMet® provides a less costly solution, while maintaining the performance of beryllium.

4. High Performance Beryllium Dome Diaphragm Assembly for Large Format Compression Drivers

   The development, manufacture, and testing of a new large format compression driver diaphragm using a beryllium dome and new type of polymer surround is detailed that exhibits improved performance.

5. TTB001 Truextent Tech Brief - SSX vs Radian

   SSX™ Be4016 in a Radian 950PB Compression Driver.  TTB001 compares the performance of a Radian 950PB compression driver configured with the factory aluminum diaphragm assembly, with the same 950PB configured with the Truexent SSX Be4016 diaphragm assembly.

6. TTB002 Truextent Tech Brief - Tuning Forks

   Let Your Ears Do The Math!  TTB002 compares the responses of three tuning forks made from aluminium, titanium, and Truextent Acoustic Beryllium.  Simple listening allows you to quickly understand why beryllium is the superior material for use in electroacoustic transducers.