freya wrote:My problem is that on looking in my box of double triodes has lots that have no markings, is there an easy way of finding out if they are ECC82`s or ECC83`s by looking at the contsruction.
I know the ECC83 draws more anode current.
Terrykc wrote:... It is two rows of tiny characters - 3 - 4 per row - just above the base on the side wall ...
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