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Peterson 450 strobe tuner
Hey all- does anyone have a schematic for the Peterson 450 strobe tuner? I have a dead one on the bench. I have been able to diagnose a faulty 1N744A zener...
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Mesa Heartbreaker 12v power supply capacitor question
I have a mid-90's Mesa Heartbreaker getting a full recap, and I have a question about one capacitor in the 12 volt supply for the footswitch. On the schematic,...
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Those new CTS pots mentioned above certainly do work electronically. They are a bit different in size and won't quite fit the clearance of a faceplate with...
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I have another question. If the datasheet only lists DC voltage specs, does that mean the switch is not suited for AC voltage use? The Sencore will be switching...
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Yes, is does seem to be working except for the one component (yay! Thanks for the jumper idea), for which I now need to find a replacement. I guess that's...
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Well, to be truthful, I only used the term "broken" in post #12 in response to your inquiry asking if it was "broken" in post #11. I...
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Enzo- yes, sorry, I failed to mention that the inductor tested open on my DMM. I just followed your suggestion and tacked in a solid wire jumper, and with...
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Part is broken. Knowing anything about upgrading parts like this is way beyond my skillset. It's just a type of interface I use in my hybrid vintage/analog...
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Enzo- I get what you're saying. The component is one of the first four or five components the signal sees after the input.
This unit is just...
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G1- I am 0% sure to be honest. The component I pulled sure looks like silver-red-black-red-silver. But I can totally see one of these bands being a very...
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Thanks Helmholtz. I admit, I can't describe the function of the component in the circuit. That's definitely way above my pay grade. All I know I know is...
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Thanks Enzo, this is the type of stuff I need to know to help fill in the gaps in my knowledge. When researching inductors in audio path circuits, a great...
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Newbie question about through hole inductors in audio path - what parameters to focus on?
Hey all- I am sort of embarrassed to ask because I feel this is basic stuff I should either know or be able to figure out. But I am having real trouble...
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Looking for a source for Sencore Powerite PR57 interlocking push button selector switch
Hey all- the title says it all. I got a used Sencore PR57 a few years ago, and just recently one of the selector switches has developed an internal short,...2 Photos
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