Shattersignal
Well-known member
Hi there! I'm building a few of the new General Audio Research BA-2C clone preamps and I seem to have run into a question that I can't answer on my own. The build calls for 200vac off the PT, along with a 6.3vac filament voltage. I can't seem to spec a PT that provides both of these voltages. Is anyone building off the same PCB and can steer me in the right direction, please? Also, is it possible that I should spec a higher voltage than 200vac off that PT? I've used the Hammond 269ax in other builds that were looking for 250vac off the PT, for instance--and that transformer is readily available.
Another question, too--I am also looking to build a stereo unit (in addition to a mono unit) which will have double the current draw. I think that will put the power rating at 70va. Can anyone recommend a PT? Or will I need to use two separate PTs for safe operation?
Thanks a ton!
Here's a link to the build and the BOM is attached:
https://www.general-audio-research.com/ba-2c-pcb/
Another question, too--I am also looking to build a stereo unit (in addition to a mono unit) which will have double the current draw. I think that will put the power rating at 70va. Can anyone recommend a PT? Or will I need to use two separate PTs for safe operation?
Thanks a ton!
Here's a link to the build and the BOM is attached:
https://www.general-audio-research.com/ba-2c-pcb/