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Vintage Synth Repair

Index last updated: 2026-04-28 23:41 UTC

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Re: Roland TB303 Save The Presets....

2003-06-04 by analogback

yea just go to something like a jaycar shop i dunno what you call 
them or where you are but i think it was advertised as a clock 
battery or something...its good cos its not actually a mod you can 
just pull it out anytime...only bumma is if you wanna use the 303 
with batteries. on the positive contact of the 303 you might have to 
get creative too...while youve got the cover of ya might as well open 
it and tweak some of the variable paramaters on ya 303 (i would 
suggest marking the original position tho!) 
happy memories!



--- In vintagesynthrepair@yahoogroups.com, alex.lannoote@f... wrote:
> I will check this idea....
> 
> Thx a lot !
> 
> Alexandre
> 
> 
> 
> En réponse à analogback <gehayman@h...>:
> 
> > --- In vintagesynthrepair@yahoogroups.com, "Alexandre" 
> > <alex.lannoote@f...> wrote:
> > > Hi,
> > > 
> > > I own a Roland Tb303. Analogue Solution make a mod :
> > > 
> > >     * Lithium battery for at least ten years battery backup, so 
> > there is no
> > > need to install C-cell batteries.
> > > 
> > > Does anybody know how to make this mod? I will be very happy to 
> > know how to
> > > make this mod... It would be heaven if my Bass Line could save 
the 
> > presets
> > > when I switch it off...
> > > 
> > > Let me know.....
> > > 
> > > Best Regards !
> > > 
> > > @lexandre
> > 
> > hey, i just put a lithium battery (similar to aa size) in the 
battery 
> > hole with alligator clips on the 303 contacts i think it was 4.5 
v. 
> > with little rods soldered to the battery contacts. its ok for 
backup 
> > but maybe wont run the synth for very long (if at all, i never 
> > tried!). anyway it hasnt lost any memory since :) cost $10 
australian
> > 
> > 
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