Found! This is what I mean:
www.drtube.com/schematics/marshall/vba4-60-00.pdf
Tone stack circuit with frequency sweeps?
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Andy Le Blanc
- Posts: 2582
- Joined: Sat Dec 22, 2007 1:16 am
- Location: central Maine
Re: Tone stack circuit with frequency sweeps?
Rolls makes a parametric for $150, you could rig one pre, or on an effect loop...
Rolls RPQ160b
heck, its cheaper than some stomp boxes.
Rolls RPQ160b
heck, its cheaper than some stomp boxes.
lazymaryamps