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tvdude1

03-17-2010 10:04 PM

Crt Letters?

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

Quote:

Originally Posted by tvdude1 (Post 2968620)

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

Quote:

Originally Posted by kx250rider (Post 2968665)

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

ctc letters

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.

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