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 Vox Satchurator = Boss DS-1?		  New Topic  Reply to Topic
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randymarsh
Copper Member

1 Posts
Posted - 01/23/2009 :  05:33:18  Show Profile  Reply with Quote
Hello All,

I've been doing mods on Boss pedals and recently I bought a Joe Satriani "Satchurator" pedal. The first thing that i notice when I disassembled the pedal is it's not true bypass. So I decided to convert this to true by pass. After tracing the pedal, I notice that the distortion circuit is similar to the Boss DS-1 (the switching and pad switch being different). I've checked the schematics of the Boss DS-1 and the Satchurator is labeled the same way as the Boss DS-1 and most of the caps and resistor values are the same!



Here the link to my Satchurator mods

http://arjinted.blogspot.com/2009/01/vox-satchurator-true-bypass-mod.html

Regards...
Edited by - randymarsh on 01/23/2009 05:38:53

DeFrag
Moderator

USA
3409 Posts
Posted - 01/23/2009 :  07:13:39  Show Profile  Visit DeFrag's Homepage  Click to see DeFrag's MSN Messenger address  Reply with Quote
Welcome to Bossarea randymarsh!
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Dr. Bob
Moderator

Australia
6593 Posts
Posted - 01/23/2009 :  07:54:28  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
Hi randymarsh

Welcome to the forum from Australia.

Great first post.

There were a lot of us speculating that this pedal was very similar to the DS-1.
In fact to a lot of us here, it sounded like a DS-1 as well.

Have you traced out how they do the extra boost?

Is there any chance you might have better quality closeups of the PCB?

Welcome again
Regards Dr. Bob
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cctsim
Silver Member

United Kingdom
418 Posts
Posted - 01/23/2009 :  17:46:12  Show Profile  Reply with Quote
Are you sure it is true bypass ?

There are two transistors that look like input/output buffers.

I don't think it is an exact copy of DS-1. The equivalent of the Q2- based amplifier stage seems to be missing.

I might be wrong though. Could you check if the two transistors are connected as emitter followers? There should be a 10k resistor connected to the emitter electrode if that's the case.
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Von
Copper Member

Australia
26 Posts
Posted - 01/23/2009 :  22:38:54  Show Profile  Visit Von's Homepage  Reply with Quote
Hi Randymarsh

Would you happen to have a schematic for this Satchurator.

Regards

Von

www.vonlehmannengineering.com
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zerksies
Double Platinum Member

USA
3406 Posts
Posted - 01/24/2009 :  00:02:51  Show Profile  Send zerksies an AOL message  Click to see zerksies's MSN Messenger address  Send zerksies a Yahoo! Message  Reply with Quote
I wouldn't be surprized about that it is a great pedal and it needs to be copied
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hot tubes
Silver Member

Canada
162 Posts
Posted - 02/03/2009 :  02:11:05  Show Profile  Reply with Quote
this pedal gets mixed reviews around the web , you either love it
or you hate it , some guys even said they like there modded DS1
better , this is the problem when buying a signature unit.
its not for everybody i guess......
Edited by - hot tubes on 02/03/2009 02:12:16
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hot tubes
Silver Member

Canada
162 Posts
Posted - 02/05/2009 :  05:30:21  Show Profile  Reply with Quote
would you say ......if you modded this satch pedal to your spec ,
does it sound better that the original and to modded versions of
the DS1 ???
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