IY 436 tube

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NA1P
Posts: 5
Joined: Sat Sep 20, 2008 11:28 pm
Location: Orange, Ma.

IY 436 tube

Post by NA1P »

Two large tubes rated 1.6 kw out each. Says IY-436 or IY-43B may be a russian tube. Can't find them online. Have two new in box anybody have any ideas?
I found them. there ry-43b (GU-43b)
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