tvdude1
03-17-2010, 10:04 PM
Can you tell me the difference from a 10bp4 and a 10bp4A? Whats the A all about please?
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View Full Version : Crt Letters? tvdude1 03-17-2010, 10:04 PM Can you tell me the difference from a 10bp4 and a 10bp4A? Whats the A all about please? jeyurkon 03-17-2010, 10:09 PM Can you tell me the difference from a 10bp4 and a 10bp4A? Whats the A all about please? The A version has a gray filter glass faceplate. The other has clear glass. John kx250rider 03-18-2010, 11:13 AM I believe that the A also indicates aluminized; a coating of aluminum over the phosphor, which increases brightness. Charles jeyurkon 03-18-2010, 11:30 AM I believe that the A also indicates aluminized; a coating of aluminum over the phosphor, which increases brightness. Charles The 10BP4C and 10BP4D would be aluminized, not the 10BP4A. At least according to the datasheets I've looked at. John tvdude1 03-18-2010, 04:50 PM Thank you boys for info. amptramp 03-18-2010, 06:50 PM According to the GE tube manual: 10BP4 = clear faceplate, not aluminized 10BP4A = grey faceplate, not aluminized 10BP4C = clear faceplate, aluminized 10BP4D = grey faceplate, aluminized They have no listing for a 10BP4B. |