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Discussion Starter #1
I have a chance to buy this amp and was wondering if anyone knew the purpose for the 3 position power switch. Middle is off and up or down powers it up. The amp is in very good condition with 2 Japanese 8 ohm 10" speakers wired in parallel for a 4 ohm load. The amp has two inputs:Volume, Bass, Mid, Treble, Bright, Distortion, Tremola and a Pre-set volume. Someone has done a couple of mods and the reverb doesn't seem to be working but other than that appears to be a very solid amp with a Fenderish sound.
 

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The three position power switch is also the polarity switch. If you hear 60 hz hum, try using the other "on" position.

If you get the reverb working, there is a little flaw(read: "feature" in Microsoft lingo) in the design. Turn the volume all the way down and the reverb up full. This will give you a reverb only signal thru the speakers. Useless but something to play with.
 

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Discussion Starter #3
The three position power switch is also the polarity switch.
Spot on about the switch. This is a great sounding amp but I miss a bit of reverb, perhaps a pedal is in order.
 

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In '75 I bought a G50 410. I recall it having a nice clean sound and acceptable distortion.
 

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Discussion Starter #5
This amp has a pretty decent clean channel as well. Btw, I got the reverb working, I took the can out and found a wire broken off at the solder joint.
 
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