Gibson GA-5T Skylark Phase Inverter Transformer?

[parentheticalfact]

Howdy y'all!
Any ideas as to a good phase inverter replacement transformer for the GA-5T amplifier? Got one here with a missing transformer so I've...

[bobloblaws]

Hello,
I have a Gibson Skylark GA-5 here. Fortunately this schematic lines up perfectly with the specimen I have in front of me (apparently some of...

[LastLS1]

Hi, everyone. I’m looking for some help debugging this amp and you guys were so helpful last time, I thought I'd bug you again. I’m using this project...

[Jmoog]

I was given a Gibson Skylark GA-5 about twenty years ago but have never really used it because it's tone was always a bit too bright for my tastes. I recently...