Thread: Y63 "Magic Eye"
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Old 1st Jul 2020, 5:34 pm   #21
Join Date: Nov 2011
Location: Surrey, UK.
Posts: 3,383
Default Re: Y63 "Magic Eye"

With that bulb shape and size of anode structure it could be a 5U4G variant- in which case the filament heater current is 3A, rather than the circa 2A of the U50/5Y3/5Z4 type rectifiers that would be expected in something like this.
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