Did the ultimate 2a3 deluxe amp with the ISO FC-30 transformer ever get built? Did anybody build this amp? The transformer shoot-out showed such good performance from the FC-30 that it makes me curious how such an amp would sound. I’m thinking about building one but I’d love to hear what someone else has to say of the sound produced by this ultimate build. I’m referring to a version with the silver wires, Horizon or EML tubes, RCA drivers, and maybe the alternate rectifier tube. If anyone knows anything concerning the performance of the FC-30 output transformers I’d like to hear what you have to say.

Stephe, I know you’re busy with the listening room and other projects but if you have any other suggestions for substitutions or tweaks from the standard Skunkie Designs 2a3 to the top shelf deluxe 2a3 I would love to get your thoughts. No rush, I’m moving very slowly on this project. I think I might stick with the 5v4 rectifier initially and maybe change later to a 5u4 if I become convinced there might be a sonic improvement worth the extra heater amps. I want to build this amp because I recently purchased a pair of Klipsch Heritage Forte IV speakers. Even though the new speakers sound great with the Skunkie modified Reisong A12 amp I think they deserve something even better. With a sensitivity of 99 dB a 2a3 amp should work fine. It doesn’t hurt that your version of a 2a3 pushes 5 watts.

I’ll start ordering parts soon but old retired people don’t move fast. Plus, I’m moving soon and don’t know what my new listening environment will be like. That is why I’m very interested in your listening room project. I can’t help but learn something about room treatment. Good luck with that, I’ll be watching very closely. Give us all the details.