Amp Transformer help please

drgonzo1969

Well-known member
Amplified parts is doing their Memorial Day sale until the 26th so I am getting together all the last bits to finish up my Deliverance amp build with the pcbs I got from @Asdrael (Thanks again again haha!). I have everything except the power transformer in my cart ready for checkout. @Asdrael used a custom toroidal for his build. I mentioned my conundrum in the High Voltage Hijinks thread (sorry for redundancy, Just thought I might get a little more visibility in a seperate thread). Some suggested getting a power transformer "off the shelf" as close as possible to the custom specs or even adding a secondary transformer to get 14v. Can any of you amp wizards point me in the direction of a Power Transformer close to specs listed below? Thanks for reading. Sorry for repeating myself. Cheers from Chicago!

prim.: your wall
sec. : 340V/0.3A (main HT)
14V/1.0A (relays + preamp heaters)
50V/0.06A (bias)
6.3V/3.50A (power tube heaters)

 
I don’t think you can find something off the shelves that is all in one for my specs.

Quickly looking at Hammond you could get a 266L14 and a then whatever you like. A 340/50/6.3 is fairly common. You have some flexibility there -330 to 350 will make close to no difference, diffwrent bias voltage are just one resistor change (classical would be 50 to 60).

Imo you should see how much a two transformer solution costs but also get quotes from custom winders. You might be surprised.
 
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