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Old 6th Mar 2021, 6:13 pm   #5
G6Tanuki
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Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 13,953
Default Re: Chinese valves : Are they any good ?

Some 5Y3GT valves [later production] are indirectly-heated but with the cathodes tied to one of the heater-pins. I've got a Mullard one like that here, and it works just fine in my AR88.
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