Gibson GA-15RV power transformer

[lowell]

I decided to go with this one from digikey

https://www.digikey.com/en/products/...AZSK8JIALoBfIA

I really wanted to find something...

[lowell]

Good catch guys. I’ll look for a 24vac 12VA power transformer.

[lowell]

https://www.mouser.com/ProductDetail...GGdituEA%3D%3D

thats a vertical mount

here’s a toroid but I’m surprised how big...

[lowell]

Perhaps a furnace transformer would work!

40VA 24vac

https://thefurnaceoutlet.com/product...ransformer?var...

[lowell]

Yep… pretty strange! Important note here: there is no reverb transformer. The verb is run with solid state devices. Perhaps the revision was just that…...

[lowell]

Thanks all, yes the wiring diagram is attached in my OP. There are no orange leads and no “extra” leads that I don’t know what to do with....

[lowell]

Hey all,

I have one of these on my bench with a bad power transformer. I ordered one from Mercury and they told me that this one will work. It’s...

[lowell]

Hey guys, I hope everyone is doing well. So I have the 100 watt silver face twin reverb on my bench. It has a master volume but it is not the ultra linear...

[lowell]

sooo… you like happy endings? ...

[lowell]

Hey guys! Hope y’all are doing well. It’s been a minute since I’ve posted. It’s been a wild ride these last 5 yrs!! I’ll...

[lowell]

Hey guys… it seems as the U2 IC upgrade chip ICE2A265

is now obsolete.

any suggestions on a replacement?...

[lowell]

Your Classic 50 has an FX loop?! Working on one now with a loud 60hz hum. No FX loop.

[lowell]

Yeah I shoulda looked at the circuit, that’d make sense. My bad. Thanks for the detailed reply!

[lowell]

Thanks JPB. So it seems both effects are working as twiddling with the controls for tremolo works, and same for chorus. However, and please let me know...

[lowell]

I'm an authorized tech for Mesa and there's no schematic on their tech page. They have a pdf that says these amps need to be sent to the factory to be updated...

[lowell]

Thanks! That worked. And now the posts are in order too! I had been frustrated as the entire forum seemed to change months ago and was difficult to navigate....

[lowell]

...

[lowell]

This is all I see...

[lowell]

Links don't seem to work for some reason... The Dude your link just opens a new tab/window to the ampage.org site.

Nosaj the ic link...

[lowell]

Hey folks,

Hope everyone is doing well! I have this amp in and the chorus works, but the vibrato does not work. I cannot find a schematic to...

[lowell]

Just discovered this thread, as I am in search of one as well. Here is a link to a supplier. It doesn't LOOK the same, but says it'll work in this application....