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Beryllium Acoustic Material

Learn about the benefits of acoustic Truextent® beryllium make domes and cones for high-end loudspeakers and headphones.  

Below are some additional resources about this audio material.


  1. PDF Document BeX4000 Diaphragm Assembly

    Available in 8Ω and 16Ω impedances, the BeX4000 series fits a variety of JBL and Radian compression drivers. The BeX features a genuine beryllium dome to reduce mass and ensure unmatched rigidity, a PEEK polymer surround to exend low frequency performance and an aluminum edgewound voice coil with beryllium-copper lead outs.

  2. PDF Document TDS2011 Acoustic Materials Matrix

    This matrix allows you to compare the critical Physical and Mechanical properties of Truextent® Genuine Beryllium, Truextent AlBeMet®, Truextent Composite Metal Matrix, Magnesium, Titanium and Aluminum.

  3. PDF Document Truextent® brand Acoustic Beryllium

    Truextent® brand Acoustic Beryllium is available in a variety of standard pre-formed dome shapes and sizes. Simple and complex custom shapes can also be supplied in production quantities per customer specification. Our in-house engineering and fabrication capabilities allow us to work with you through the prototyping and pilot stages to supply a final component design meeting your precise performance requirements.