Transformer 07-272 in Marshall 3530

[inkscape]

What is transformer in this bass amp?
On schematic is signed as T1 07-272
https://www.drtube.com/schematics/marshall/3530psu.gif

I have some parts this amp (preamp and chassis).
Missing psu and power amplifier.
I'd like to buy rest or diy build it

 

[audioguru]

The transformer is 90VAC center-tapped. I don't know its power rating.

 

[Nigel Goodwin]

The transformer is 90VAC center-tapped. I don't know its power rating.

As the amplifier is 300W you need a transformer about 400W or so.