[Boatanchors] 5U4 vs 5Y3
gzook at yahoo.com
Sat May 24 14:14:42 EDT 2014
Yes, and no!
You have to watch the filament current. The 5Y3 draws 2-amperes and the 5U4 draws 3-amperes. If you have one, a 5R4 would work fine without worrying about the filament current. The 5R4 also draws 2-amperes.
On Saturday, May 24, 2014 12:46 PM, Bob Jackson <bob145 at suddenlink.net> wrote:
Can a 5Y3 be subbed for a 5U4 for testing purposes?
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