On Saturday, 6 January 2018 21:41:07 UTC, Fox's Mercantile wrote:
On 1/5/18 10:31 AM, Terry Schwartz wrote:
I was familiar with the older method that used general purpose
tube testers with CRT adapters.

I killed my dim 12" CRT with a B&K Model 440
https://ssli.ebayimg.com/images/g/8S0AAOSw-W5UrXOP/s-l1600.jpg

I hear so many people killed their tubes. I wonder why, boosting heater voltage never caused me to lose one. And I pushed it all the way to 66% on occasion, and 33% routinely. I mean permanent boost.


NT