Search found 2 matches
- Fri Apr 13, 2018 7:43 pm
- Forum: Vox/Hiwatt Discussion
- Topic: Vox ac15 phase inverter inputs
- Replies: 5
- Views: 4483
Re: Vox ac15 phase inverter inputs
In a vintage AC30 the normal and top boost channels are going to the same side of PI. each one through a 220k resistor,The vibrato channel alone is going to the other side of PI ! Vibrato channel has also that "notch filter" before the PI input (a number of 4n7 in series->1m to ground and again 4n7 ...
- Thu Apr 12, 2018 8:06 pm
- Forum: Vox/Hiwatt Discussion
- Topic: Vox ac15 phase inverter inputs
- Replies: 5
- Views: 4483
Vox ac15 phase inverter inputs
Hi, I think I've reached the point of putting a switch between the two : two preamp channels going into one PI input(w/separating resistors) or, one going to the inverting input and the other going to the non inverting input of the PI. I can't decide between the two probably 'cause I haven't A/B:d t...