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Ah, you use those gorgeous VPI boxes to host transformers. No wonder it does not sound well, what did you see the anything from VPI sound well? Seriously, I do have those VPI boxes, I do not remember where they come from to me but they are too good to wasted them and I keep in them cartridges mounting hardware.

Regarding your transformers. You might do what I did with my Melquiades. When I made my Super Melquiades 6ch chassis I was not experienced with the fact that it will be too many and too powerful transformers and chokes in there at very close proximity. So, I had quite a lot of mechanical noise. The Melquiades chassis is very strong – 4mm steel. Now I understand as it was a mistake and it had to be me non-ferromagnetic material for PS chassis. For the control unit there is nothing better than steel but the PS I would go only aluminum.

Anyhow, to redo everything was too much pain in ass and I kept fighting with mechanical noise coming from stray felids of my transformer and chokes.

http://www.goodsoundclub.com/Site_Images/SuperMilq5.jpg

Then when I a few year I went for toroids I came with a cool idea to lift the transformers from the surface of chassis and to orient their stray fields parallel to the chassis and perpendicular to each other. The frame the attached the toroids to chassis I made from aluminum.

http://www.goodsoundclub.com/Site_Images/SuperMilq_6Ch_3.jpg

so, today I have 4 small pieces of magnetic inside:

http://www.goodsoundclub.com/Site_Images/SuperMilq_6Ch_50.JPG

 and 8 outside:

http://www.goodsoundclub.com/Site_Images/SuperMilq_6Ch_53.JPG

The noise is very low, practically negligible is there is no DC in power lines but I use PP2000 that have my ass with DC.

So, you might do something similar or even kinkier. Put your power transformer in a can or on the box you have it now but make the cable that run to chassis loose. Then attach an expendable arm from chassis to transformer can that would flip and extend the transformer from the chassis. If you go very crazy then you can put a micro switch under the transformer and as the transformer sit in it default transporting position then the amps is off and if the transformer is lifted and extended off the chassis then the amp turn on.

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