Triodeguy's amps use a IRFBG30 mosfet based slow ramp for B+.
http://www.triodeguy.com/Triodeguy%20PD ... %20sch.pdf
I'd like to use this with a VTA board based ST70 and tried to modify this.
Would this schem work?
http://picasaweb.google.com/prasadb/Unt ... 2259796354
- Prasad