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Somebody has already beefed up the original R50 relay that serves to key the tubes. That black relay on the perfboard is a lot more robust than the original. The red wires lead to where the other R50 relay was originally found on the pc board.

I'm sure I have a pic here somewhere that shows where to insert a wire jumper after the preamp relay is removed.

I'll have a look for it.

Aha! Found it!

73

[QUOTE="nomadradio, post: 595173, member: 22"] Somebody has already beefed up the original R50 relay that serves to key the tubes. That black relay on the perfboard is a lot more robust than the original. The red wires lead to where the other R50 relay was originally found on the pc board. I'm sure I have a pic here somewhere that shows where to insert a wire jumper after the preamp relay is removed. I'll have a look for it. Aha! Found it! [img]http://imageshack.com/a/img922/994/Z63Kx7.jpg[/img] 73 [/QUOTE]

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