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Discussion in 'Shock Brother's DIY Amps' started by Dan Miller, Aug 14, 2016.
Here is a photo of the cap under question in situ, in case I am misinterpreting something.
Not electrolytic. The band denotes the outer foil, which should be connected to the lower impedance side of the circuit for minimum noise.
That appears to me like a coupling cap with the outer foil marked as "ground". It also appears to be labeled incorrect(IMO) and the installer verified that and installed it to the proper orientation. Notice the lead on the "ground" marked side looks to be center of the cap and the other lead is coming from the side of the cap. At least that is what I'm seeing from over here.
Thanks tele_player and D'tar, I learned something new today. This place is better than going to college, especially at my age.
Presuming I survive the Arts and Crafts show this weekend (showing my leatherwork), I'll revise the schematics early next week. Parts and pieces have been trickling in for reviving this amp and building a couple of clones.
Actually, college was great for electronics.
You're being generous saying the installer verified it, maybe, but doesn't really matter, as it's not feeding a stage with significant gain.
Generous and purely speculative indeed
Here is the latest schematic. Parts and pieces are arriving both to rehab this one and to build a couple of clones.
Hi, saw this thread when doing some homework on 191. I bought this thing at an auction for $2 over 20 years ago. Still works with all the original parts. Inside my 191 is a parts list and schematic, hope it helps.
^ Nice first post! Welcome to the forum
Ditto and many thanks!
If I weren't just about to leave for a month, I'd run right out to the shop!