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#1
04-15-2019, 01:39 PM
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Pretty much need the separate transformer, but you might get an improvement switching which heato leg you tie the cathode to.... if the heater is grounded or referenced to B+ your probably not going to get a good result....one alternative would be to use an isolation transformer for HK shorts...they look just like brighters, but don't change the heater voltage..
__________________
Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 
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#2
04-15-2019, 07:40 PM
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Just curious - what kind of CRT has the heater and cathode tied together by design?
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#3
04-15-2019, 10:07 PM
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Some early scope crts were built that way, 5BP1 for example.
https://frank.pocnet.net/sheets/049/5/5BP1A.pdf jr
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#4
04-16-2019, 08:09 AM
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Quote:
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