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tonemnstr
09-23-2008, 09:10 AM
I'm working on a project that has some switching requirements. Basically I'm wanting to chain the Normal channel in series with the Vibrato channel on a Silverface twin using it like a boost/distortion mode.

I've come across these channel switching boards from Weber.. anyone have any experience with them?

https://taweber.powweb.com/store/chansw.htm

phsyconoodler
09-23-2008, 01:36 PM
It won't work anyway because the two channels are out of phase with eash other.The Twin is not like a Marshall where you can jumper the channels.
Try modding the normal channel instead and using an A/B box.On yout twin,if you lift the tone stack the second gain stage will really boost the signal and give you a nice overdrive.There are lots of other ways too,but combining the channels simply won't work.

tonemnstr
09-23-2008, 02:08 PM
It won't work anyway because the two channels are out of phase with eash other.The Twin is not like a Marshall where you can jumper the channels.
Try modding the normal channel instead and using an A/B box.On yout twin,if you lift the tone stack the second gain stage will really boost the signal and give you a nice overdrive.There are lots of other ways too,but combining the channels simply won't work.

The channels wont be in parallel like bridging inputs on a Marshall...They will be in series (chained,cascaded etc.), the output of one into the input of the other. Channel one won't be able to be used by itself, only as a boost mode.

There's a couple examples in the Kevin O'Connor books.

phsyconoodler
09-23-2008, 03:09 PM
Ah,I see.Serious mods.
Those weber switching circuits would likely work just fine.I use NTE relays for my Overdrive Rocket amps with no issues at all.I use the 5v rectifier windings for a power source,but there are other ways too.
Having your switching boards already to go is a nice touch.

tonemnstr
09-23-2008, 03:27 PM
Yup serious stuff http://www.thegearpage.net/board/images/icons/icon12.gif ...

This is a 135W UL Twin that my pal had sitting around doing nothing for the last 20 years so I'm taking some creative license with it.

I ran across the Weber boards and was wondering if it was to good to be true for 14 bucks. Now I just need to figure out where to put it, space is at a premium.

tonemnstr
09-25-2008, 01:49 PM
bump...

Any feedback on these boards would be greatly appreciated