What picture tube do I have and why does it not get hot at the neck. - Videokarma.org TV - Video

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What picture tube do I have and why does it not get hot at the neck.

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09-22-2024, 01:08 PM

Electronic M Electronic M is offline

M is for Memory

Join Date: Jan 2011

Location: Pewaukee/Delafield Wi

Posts: 15,488

+1

In the late 40s early 50s the 6.3V IIRC 600mA heater was the only game in town for CRTs. It wasn't until around the mid 50s that higher and lower voltage heaters with lower and higher respective currents became available to help series string designs. By then small round CRTs were fully obsolete.

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