Anyone have an idiots guide to small stone volume drop mod?
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The DIY forum is for personal projects (things that are not for sale, not in production), info sharing, peer to peer assistance. No backdoor spamming (DIY posts that are actually advertisements for your business). No clones of in-production pedals. If you have concerns or questions, feel free to PM admin. Thanks so much!
- Heavy_Soul
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Anyone have an idiots guide to small stone volume drop mod?
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- devnulljp
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Re: Anyone have an idiots guide to small stone volume drop m
Which version? I did it with my rev J
Info here: http://www.generalguitargadgets.com/pdf ... tj_lo2.pdf
and here: http://www.generalguitargadgets.com/bom/smallvlp.txt
This is for the v3: http://www.kyletompkins.com/wp/?p=191
Schematic: http://www.kyletompkins.com/wp/wp-conte ... phaser.jpg
Resistor value colour conversion chart: http://www.elexp.com/t_resist.htm
“The mod is comprised of 2 resistor value changes. The first is changing the R6 position resistor from 5K6 to 10K. The second change is the R27 position, that changes from 2K2 to 5K6.“
“Changing R42 from a 4k7 resistor to a 10k resistor / Changing R11 from a 3k3 resistor to a 10k resistor“
R42 and R11 on the rev J board
here's a labelled pic of the rev J v2

Info here: http://www.generalguitargadgets.com/pdf ... tj_lo2.pdf
and here: http://www.generalguitargadgets.com/bom/smallvlp.txt
This is for the v3: http://www.kyletompkins.com/wp/?p=191
Schematic: http://www.kyletompkins.com/wp/wp-conte ... phaser.jpg
Resistor value colour conversion chart: http://www.elexp.com/t_resist.htm
“The mod is comprised of 2 resistor value changes. The first is changing the R6 position resistor from 5K6 to 10K. The second change is the R27 position, that changes from 2K2 to 5K6.“
“Changing R42 from a 4k7 resistor to a 10k resistor / Changing R11 from a 3k3 resistor to a 10k resistor“
R42 and R11 on the rev J board
here's a labelled pic of the rev J v2

- Heavy_Soul
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Re: Anyone have an idiots guide to small stone volume drop m
Thanks for all the info buddy, I'll crack it open and take a look now
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- Heavy_Soul
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Re: Anyone have an idiots guide to small stone volume drop m
Mine definitely doesn't look like that, so I'm gonna guess it's a modern version
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- Jero
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Re: Anyone have an idiots guide to small stone volume drop m
Heavy_Soul wrote:Mine definitely doesn't look like that, so I'm gonna guess it's a modern version
Yours isn't a nano is it?
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- McSpunckle
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Re: Anyone have an idiots guide to small stone volume drop m
Newer big box ones look wayyy different. The components are labeled on the parts side, though.
Honestly, I'd almost recommend just building an LPB-style booster and sticking it at the end of the pedal instead of that mod.
Honestly, I'd almost recommend just building an LPB-style booster and sticking it at the end of the pedal instead of that mod.
- Heavy_Soul
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Re: Anyone have an idiots guide to small stone volume drop m
I think I might just leave it as it is, the volume has never been that much of a problem really. Either that or wait until I can pick another one up for cheap and mod that
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- Toonster
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Re: Anyone have an idiots guide to small stone volume drop m
If it isn't a problem, then why solve it? ^^
- theavondon
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Re: Anyone have an idiots guide to small stone volume drop m
Toonster wrote:If it isn't a problem, then why solve it? ^^
Shits and/or giggles?
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- Heavy_Soul
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Re: Anyone have an idiots guide to small stone volume drop m
theavondon wrote:Toonster wrote:If it isn't a problem, then why solve it? ^^
Shits and/or giggles?
Mainly this
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