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Old 11-15-2017, 02:24 PM
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benman94 benman94 is offline
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Join Date: Jun 2011
Location: Detroit, MI
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Look at this datasheet for the 15HP22: https://frank.pocnet.net/sheets/084/1/15HP22.pdf

CBS ran them at 20 kV ultor voltage.

Look at this datasheet for the 15GP22:
https://frank.pocnet.net/sheets/093/1/15GP22.pdf

Every manufacturer ran them at 20 kV (19.5 kV in the case of RCA, which is a negligible difference).

Look at this datasheet for the 10FP4 CRT. Most 10 inch sets ran them right at 10 kV or damn close to it.

https://frank.pocnet.net/sheets/201/1/10FP4.pdf

Do you see the pattern. Running at design center maximum is perfectly fine, and in the case of a CRT, often desirable.
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