Someone posted a link to Electronics Goldmine http://www.goldmine-elec-products.com for LED-LDR optocouplers for audio. These are similar to the incandescent-LDR in my Gibson Minuteman appear as if they will work in the tremolo circuit. They are dirt cheap. 1 for $1, bag of 20 with 10 expected to work for $2. This type of coupler is virtually impossible to find.
I've been shopping the site and while merchandise for tube amps is a bit spotty, there are some things that I think may be worth snapping up.
Miniature 1 pole 6 pos or 8 pos rotary switch mil spec $2.49/$2.69 very nice for output impedance
Mini toggle switches under $1
Bridge rectifier PC mount 35¢ 600V 15A and others for 29¢
Pack of 5 pin jacks $1.49
Pack of 10 mylar caps .001u 1200v $1
Pack of 30 mylar caps .022 630v $1
Pack of 5 .1uf 630v mylar caps $1
Other good toys like gator clips, ring terminals, sandblock resistors and huge cheap mystery boxes of things that might be useful but I suspect voltage ratings of caps and resistors aren't up to our high voltage work.
If you have time, you might stock up on a few things. Not everything is a real bargain.
My shopping list got up to about $16 for a pile of stuff. Don't know if I'll take the plunge. We all feel the need to hit critical mass so the shipping isn't 5x the cost of the parts.
Electronics Goldmine - bargains
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