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And what’s that protecting? When you flip the mains switch, the
fuse still protects what it needs to whether it’s before or immediately after.
I would rather have constant energy on just the switch rather than the switch and the fuse.
Not sure I like this idea or see a point to it.
I’m just going to wire the power cord (hot and neutral) to the top two lugs of the switch and then wire the fuse and PT primary on the other side of the switch.
I’m also switching the polarity and power switches around so I get all the poles I...
So this is weird, started making some changes and noticed the white neutral wire is connected to the fuse. Has anyone ever seen this before? This doesn’t make sense.
This is from factory too as the connections still have the red inspection marks on them. White neutral wire went to the fuse...
This is my first super lead, so I am looking for some info on the board and what is the standard maintenance you guys do. I have a bunch of Iskra and Piher spares so I will use NOS/OEM parts to keep this looking original.
I am thinking of replacing the following:
- 27k bias resistor ahead of...
Measure resistance from one 3.15vac secondary to the other, or each secondary lead to ground?
I really need a solid guide for testing power and output transformers. That is one area I suck at for sure.
Also, after I replaced the tube, the amp is less distorted and has a bit of a tighter...
Just to close this off, it was a failing 12ax7. Drew too much current.
I know people talk crap about the extra fuses in the Canadian models, but I would rather have 5 extra fuses over a blown transformer any day.
Everything is good. Live to fight another day.
Hi! Yes I screwed up. I had to pull the fuse as mentioned. One of the 6.3vac heater fuses popped. Just one of them. Now the question is "why". I just finished testing my tubes and didn't find any shorts or issues, but I think there could still be a tube problem. Once I get a new fuse...
Yes all the fuses passed continuity tests on my mm.
I have 3.3vac at every valve socket v5 to v1. . 2/7, 2/7, 45/9, 45/9, and 45/9.
I don’t know wtf is going on. So strange.
Damn pilot light won’t even come on. 6 vac pilot. Metal toggles.
Hi,
My 86' Canadian JCM 800 2204 died on me. I turned on the power and there was no indicator light (6vac powered off the first power tube). Tubes didn't light up. No sound at all through the amp. Here is what I did:
- Shut off the amp and plugged it in through my light bulb limiter. With...
That smells scam-y. Why take a whole bunch of photos of the inside, but none on the outside? Is anyone else wondering that?
Are the photos of the inside your amp, or some you found online?
No way man. Who's going to give you 2800 euros for an amp without actual photos. It's on the seller to prove that the photos are actual and up to the buyer to get the most proof possible.
Even photos aren't good enough for me on private sales. An interactive video chat with the seller is...
Ok. Screw it then. I will just look for a log 1meg pot. Does anyone have one for sale? A vintage one?
Just PM if you can help me out...Please.
Thanks for all the comments. I learned a lot.
Thanks for the detailed insight. The way I run the Super Lead, a linear pot would probably work for me.
Basically, my situation is I have a period correct Linear 1M pot, but not a period correct 1Meg Log. The amp came with a modern 1Meg Log in Volume I, and I want to get rid of it. That's...