Oh ok that's good to know! Because in my infinite wisdom, I thought that dual mono can also be one transformer (with enough juice) hooked up to two separate PSU's. That's how I was planning to use this one on HB build. I figured I could connect the same +45 and -45 pairs to both PSUs. I guess that's not "true" dual mono as the "true" one would have a dedicated trans for each PSU...
At the end of the day, would my idea even work with the 800VA trans?
At the end of the day, would my idea even work with the 800VA trans?
Well Randy's W12 does not have a diode circuit integrated like the diyaudiostore PSU, so in theory you could use two monolithic rectifiers and somehow splice 4 outputs to go into the W12 4 inputs. Not sure what the result would produce sound wise, but I think in theory it would at least provide 2 pairs of +/- DC rails.
Not sure that is the right transformer. That looks more like a tube amp transformer to me - or some other funky thing
Dual mono iirc means each channel has its own transformer and per supply board. The w12 i linked does this - each channel would get its own transformer/rectifiers/crc board. Go look in the m2x thread for photos of my setup - i don’t have links handy but go to the last 10 pages worth.
Also for transformer sizing read the thread i started - https://www.diyaudio.com/community/threads/power-supply-sizing-question.421989/ i put a spreadsheet link in there towards the end that you can use to size the transformers. A class a/b iirc would be 50% efficient? Look that up and if I’m wrong in the spreadsheet let me know so i can fix it 😉
Oh it would be worth looking at the amp board docs to see if they provide transformer sizing. If you are going with the w12 or something similar for dual mono you would essentially half the size and get 2
Dual mono iirc means each channel has its own transformer and per supply board. The w12 i linked does this - each channel would get its own transformer/rectifiers/crc board. Go look in the m2x thread for photos of my setup - i don’t have links handy but go to the last 10 pages worth.
Also for transformer sizing read the thread i started - https://www.diyaudio.com/community/threads/power-supply-sizing-question.421989/ i put a spreadsheet link in there towards the end that you can use to size the transformers. A class a/b iirc would be 50% efficient? Look that up and if I’m wrong in the spreadsheet let me know so i can fix it 😉
Oh it would be worth looking at the amp board docs to see if they provide transformer sizing. If you are going with the w12 or something similar for dual mono you would essentially half the size and get 2
Bigger isn't always better... be careful of overkill. There can be downsides to big ol' honkin toroids (all other things remaining equal). I'm still not sure what amp(s) you're considering, but you can find guidance for the builds and variants re: the choice of proper transformers. The Wolverine (as one example) has at least one entire page in the guide for transformer selection.
For some exceptional information (IMO), check out Rod Elliott's site re: PSU design to get an overall feel for pros and cons of various choices.
For some exceptional information (IMO), check out Rod Elliott's site re: PSU design to get an overall feel for pros and cons of various choices.