The Radian Audio 1228-8 is an 8 ohm replacement diaphragm for many Altec 25.4 mm exit compression drivers, using an aluminum alloy dome with a Mylar surround and a 44.5 mm voice coil.
Radian Audio 1228-8 Replacement Diaphragm for Most Altec 25.4 mm Exit 8 Ohm Compression Drivers
The Radian Audio 1228-8 is made for restoring compatible Altec 25.4 mm exit compression drivers. It is a practical choice for speaker repair work where the original diaphragm needs to be replaced while keeping the driver platform in service.
This replacement diaphragm uses a 44.5 mm voice coil combined with an aluminum alloy dome and Mylar surround. The construction is suited to high-frequency compression-driver applications commonly found in horn-loaded horn waveguide tweeter systems.
Compatibility includes many well-known Altec models, including 604, 802, 806, 808, 902, MR902, 904, 908 and 909 compression drivers. The 8 ohm nominal working impedance matches systems designed around the 1228-8 version.
As a precision replacement part within professional audio components, the 1228-8 helps keep vintage and serviceable compression-driver setups performing without replacing the entire driver assembly.
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