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All items tagged with Beryllium replacement (2)
Test Bench: The D2908/716000 TPCD Metamodal 1” Dome Tweeter from Scan-Speak's Revelator Line
July 16, 2025 by Vance Dickason

Test Bench: The D2908/716000 TPCD Metamodal 1” Dome Tweeter from Scan-Speak's Revelator Line

Scan-Speak has been working with Composite Sound to develop a generation of metamodal thin-ply carbon diaphragms (TPCDs), engineered to fully replace the almost impossible-to-source and extremely expensive beryllium domes. The Scan-Speak D2908/716000 1” Revelator TPCD tweeter, which replaced the Revelator D2908/714000, now includes a new 1" TPCD metamodal diaphragm, combined with the patented Scan-Speak Symmetrical Drive SD-2 neodymium motor structure.
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Test Bench: Scan-Speak D3004/606200 Tweeter from Its Illuminator Line
November 6, 2024 by Vance Dickason

Test Bench: Scan-Speak D3004/606200 Tweeter from Its Illuminator Line

The Scan-Speak D3004/606200 is a 1" compact tweeter from its Illuminator Line, and features the new generation of Metamodal TPCD diaphragms. Scan-Speak has been participating in Composite Sound's metamodal development program, and the new D3404 tweeter is the first to be released. It features a low resonance, injection-molded rear chamber, SD-2 neodymium motor, large-roll coated cloth surround, and black anodized machined aluminum faceplate. This article was originally published in Voice Coil, July 2024.
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