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Old 07-31-2005, 04:12 PM
Eric H's Avatar
Eric H Eric H is offline
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Join Date: Jun 2002
Location: So. Calif
Posts: 11,565
7JP4 ordeal

Well I went and bought a NOS rebuilt 7JP4 off ebay a couple weeks ago.
"Untested" and cheap, and we all know what that usually means!

Sure enough, it was NOS but sure enough it was defective.
I had to pull the base cap off to fix a short caused by a wire out of place.

Putting the base cap back on a tube with 12 active pins is a special kind of hell that no one should have to endure

After several tries with various types of extensions soldered to the pins I finally did it, the base isn't absolutly snug against the tube but close enough for me.

It works!
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