Thanks guys.dreric wrote:TM
As usual, the build looks great. I'm always impressed with your part selections. Seems like your are straying from the 6PS convention, care to fill us in on your cap choices and the thoughts behind them?
Is that a switch on the back of the mid pot! For?
Also, I'd second the request for a copy of the main board layout. I have a custom rj chassis that I had made up a 6V6 HRM and the board would move the project along nicely.
Thanks for your consideration.
Eric
Parts selection: Eric as far as parts selection I'm just sort of following HAD's lead and there's some experimentaion. While I do believe there are certain part recipes for certain circuits, I also believe a good amp can be made with "alternative brands".
In the later amps you start to see more usage of NTE metal films, a CGW thick film resistor on V1 and also several different types and brands of caps particularily in the PI secton. For example, you see amps with AE (blue) .1 caps in the PI. I ran across some AE .1's and figured why not try them.
Mid pot: pull it to lift the HRM tone stack.
Layout: here's a main board layout, only difference is that it has the standard(pf cap mounted on the mid boost switch) treble cap/midboost layout.
Also Eric, I like the general setup as you can just pull the four 6V6's, install two EL34's and just rebias.
TM