#1
I made a ruby amplifier and bought a 45mm mica(sp?) speaker to test it. It makes a noise and the noise stops when I touch the strings so I know its working, but this only happens when I connect volume lugs 1 & 2.

What could be the problem?

thanks
#2
I don't know anything about speakers... (mica speakers?)

Have you tried it with any other conventional loudspeaker? headphones? If those don't work, then I'd say the amplifier needs work, otherwise you're either using the wrong kind of speaker, or you're connecting it wrong... (unlikely?)

Notice all the question marks questioning myself?
#3
stuff changes when you touch strings? checked for any grounding problems..? could be way off but yeah
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