Drive and pickup coils are almost fully inductive so impedance to DC resistance ratio is about 10:1 as you found out.
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Kustom was an early Op Amp user, way before others. Just check their first amplifiers ... was it 1968 or so?
All others stayed discrete for a long ...
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Hybrid biasing always struck me as a particulaly bad idea, itīs either one or the other.
Suggest you increase negative bias (by acting on the...
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Post gut pics, I suspect a transformer driven germanium transistor power amp.
Worst cse "should" be repirable without schematic....
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Itīs not a real Traynor but a cheap Taiwan/Hong Kong generic amp, sold under many labels, including Dean Markley.
Very low power, I expect a...
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Yes, they are glued together, you have to snap glue off for opening....
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Terrible clickbait video, he actually does NOT wrap the base in tape as shown in front picture!!!!!
The hack is terrible too, and will last 5...
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Well, if all were lit and the bulb works, obviously it does not need to be repaired!!!!...
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Sorry but pulling all parts to be measured outside in the hope of finding a "bad part" by sheer chance is the long unfruitful path.
...
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For testing ground the grid with a piece of wire.
Straight from tube socket.
Make certain grid pin has good contact with socket "sleeve"...
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*Lack* of use is bad for electrolytics, having voltage applied keeps ions where they belong....
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You canīt hear absolute phase but as mentioned above, *two* speakers working at the same frequency will add/substract, big time, producing a bump or a notch....
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From faint memories, that symbol was used by Philips/ITT/Telefunken etc in the 60s
So itīs "European".
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FWIW that is NOT a compressor circuit and is not "incomplete",
Nor does it deal with any *signal*
Read-the-label: FET matchi...
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^^^^^^ that.
NEW stuff has a price bottom which is all that metal, precision cutting/punching/bending so they start expensive, add up all markus....
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SCOPE it, only definitive answer.
Hum waveform shape tells A LOT.
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The very first pedal anybody should build is Electro Harmonixīs Linear Power Booster, which does not even *require* a PCB, no exotic-unreliable components,...
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Ouch!!! The test circuit has over 20 components!!!
I suggest you connect it as a unity gain buffer, the simplest Op Amp circuit, as a go/no go...
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An old standard was around 1V RMS, later some started using 700mV or even 500mV
I wouldnīt wander very far from that.
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