The Amp Garage

NOS - you’re kidding, surely? They’re crazy money these days! I seem to remember @Roe recommending the Gold Lion KT66. Which I think are Russian made? Yes - I am kidding. Have been shopping online and NOS is a no go. I have 5881 in here now and it sounds fine. I have Gold Lions in a RedPlate BluesM...

Put the beer money towards the KT66 - you’ll need it, they aren’t cheap! You are not kidding. I have probably been cheaping out with these Chinese Sino/Valve Arts things. This pair read at 32 & 67mv when this thing woke up. May have to pony up for Genalec again or something NOS. Thanks again for th...

stelligan wrote: ↑Tue Feb 09, 2021 12:56 am

pdf64 wrote: ↑Tue Feb 09, 2021 12:46 am Are you sure that the HT fuse is good?

Ah Hah! reads open. Will go digging in the fuse drawer now...

Ok. I'm fixed!! thanks to pdf64!! Where do I send the beer money? I need to save a little for new glasses and a pair of more closely matched KT66. These are way far apart...

pdf64 wrote: ↑Tue Feb 09, 2021 12:46 am Are you sure that the HT fuse is good?

Ah Hah! reads open. Will go digging in the fuse drawer now...

The rectifier would seem to be bad? My thoughts as well. I just took delivery on a solid state alternative and 2 tube rectifiers. New Sovtek 5AR4 is in there now. Will try the solid state thing again and check volts. Maybe put a new socket in? I'm baffled... Yes - just tried the solid state rectifi...

pdf64 wrote: ↑Mon Feb 08, 2021 11:42 pm What’s the VDC at rectifier pin8?

70VDC

70VDC on the power valve anodes? How about at the OT CT / reservoir cap? Needs a full voltage survey really, eg as per https://el34world.com/charts/Schematics/files/Marshall/Marshall_jtm45_lead_45w.pdf Thanks for looking! Here is a quick chart of power section with new rectifier tube. Yes, that low...

OK. So this problem child has been acting up again. I have never used the standby since finding a decent rectifier tube in winter 2016. Over the last year or so it would sometimes power up but be silent. With ever so little power amp noise when listening to the speaker. I tried shot-gunning preamp t...

The Heavy Scuffle's On...

norburybrook wrote: ↑Thu Jan 28, 2021 6:35 pm Unbelievable transformation . here's the evidence.

He's curled up on the sofa next to me now.
M

Whippet good!

Brindle & handsome. Congratulations!
All things must pass.....

norburybrook wrote: ↑Mon Jan 25, 2021 9:40 am p.s on a lighter note we have a new dog

This thread is worthless without pictures.
I am a whore for puppy pics.....

Sorry to hear of the expensive supply woes.

Saw Lowell George in the 70s with a 4 x 10 Marshall cab under his Dumble. A 1965B I think. Maybe this is a 1965A?? That may be worth a Google search...

Very nicely done. Merry Christmas to you - and a hopeful Happy New Year

Phil_S wrote: ↑Thu Dec 24, 2020 4:49 pm Now send over some of that brittle.

PM me your address. USPS should get it there by April Fool's Day.


Thanks for listening y'all.