Breaker Pedal

John Egerton · September 05, 2003, 04:44:21 AM

You know the things

I'd like to have a breaker unit in order to let me turn my amp at high volumes, just without the actual volume....

My am is a Marshall DSL100 100watt Valve amp. I know marshall makes these things but i was hoping for a more cost effective one to build. But it HAS to be safe for my amp as it's my baby...

Thanks again guys...

John

AllyP · September 05, 2003, 04:53:54 AM

So what you want is a pedal to let you turn right up and get those smooooth tones but without the actual volume?

Will it go between amp and cab?

That sounds like a good idea to me! Any suggestions guys?

John Egerton · September 05, 2003, 06:54:55 AM

It goes between the amp and the cab I believe...

Like I said, Marshall make these babies and the guitar store near me makes them themselves...

hardi_ami · September 05, 2003, 08:40:21 AM

http://www.blueguitar.org/new/schem/misc_mod/volreduc.gif

I think that's what you're looking for
apparently a voltage divider would work
good luck finding 100w resistors :PPP

I think there should be better ways of doing it but I don't know how.. sorry

Michael

Mike Burgundy · September 05, 2003, 10:03:55 AM

http://www.aikenamps.com/DummyLoads.htm
and
http://www.aikenamps.com/spkrload.html
hih

toneless · September 05, 2003, 03:55:04 PM

You need an attenuator?If so go to...
http://amps.zugster.net./

Nick Prionas

Ben N · September 05, 2003, 05:30:22 PM

Adam's and Randall's articles are required reading if you want to build one. DON'T try making the one on the Blue Guitar site, at least not as posted--that design is for 25 watt output max. Even if you try upgrading the parts, you will still have a heck of a problem handling the heat that will generate.

Ted Webber is now selling attenuators, and I think they are quite a bit cheaper than the Marshal Powerbrake that you are referring to. But be warned: the tone will never be quite the same, in part because you hear differently at different volumes (that's why your stereo has a "loudness" switch) and in part because how the speaker handles all of that volume is part of where the tone comes from.

Mike Nichting · September 06, 2003, 09:15:28 PM

yeah, Ben is correct. you won't get the same tone because there are a lot of variables in LOUD tone. Speaker break up being one.

Good luck,
mike

aron · September 06, 2003, 10:02:03 PM

I recommend getting the webervst.com MASS unit.

You can get the driver alone and build your own.

It's good.

http://www.webervst.com/mass.html

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Breaker Pedal