Search found 5 matches

by chasbenson
Tue Apr 13, 2021 6:30 am
Forum: Technical Discussion
Topic: Benson Monarch
Replies: 480
Views: 110205

Re: Benson Monarch

Like a pi filter in front of the OT node? I haven't had reason to incorporate that in the Monarch (since the production ones don’t hum appreciably), but I do enjoy the sound and feel of some series resistance or inductance in the power supply path in other designs. The 5E7 PSU circuit for instance i...
by chasbenson
Mon Apr 12, 2021 1:57 am
Forum: Technical Discussion
Topic: Benson Monarch
Replies: 480
Views: 110205

Re: Benson Monarch

Hey gang...just happened to check back today, we use 22uf on the OT supply, a 1k dropping resistor, 47uf on the screens, and then it goes off to the preamp filtering nodes with larger value resistors (usually 4.7k / 22uf to the PI and then 4.7k / 22uf to the preamp. I find this yields the benefits o...
by chasbenson
Sat Nov 21, 2020 8:57 am
Forum: Technical Discussion
Topic: Benson Monarch
Replies: 480
Views: 110205

Re: Benson Monarch

@dorrisant I don't put reverb in heads because of noise, and reverb grounds can be very fussy, so I can't speak to that portion of the layout. I glanced over the rest of your layout for a few seconds a few days ago and didn't see any obvious errors, but I'm not going to take all the fun out of this ...
by chasbenson
Thu Nov 19, 2020 2:00 am
Forum: Technical Discussion
Topic: Benson Monarch
Replies: 480
Views: 110205

Re: Benson Monarch

Post covid sounds great!
by chasbenson
Wed Nov 18, 2020 12:29 am
Forum: Technical Discussion
Topic: Benson Monarch
Replies: 480
Views: 110205

Re: Benson Monarch

I'm bored on a plane and came across this. I must say I'm flattered to join the ranks of traced stuff on here...I've used this forum as a resource many times over the years, especially when I was doing repair work. Hopefully it is helpful of me to point out at first glance of the shared schematics t...