[sdiy] Rechargeable battery synths

[john mahoney]

how many hours does must it run without recharging? that'll determine how
many Amp-hours you need, and you can go from there
--
john


----- Original Message ----- 
From: "Mark L. Reiser" <mlreiser0 at msn.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Monday, March 01, 2004 2:47 PM
Subject: [sdiy] Rechargeable battery synths


> Dear DIY synthers,
>
>     I am going to throw my first question out to this list. --
>
>     I build compact, low power analog synths for performance art
projects --
> theremins, joysticks, giant ribbon / wire controllers... etc. I prefer to
> keep these battery powered -- each one is a seperate instrument and needs
> maximum portability and wireless operation. I keep them on a table on
stage
> and whip them out for solos and improvisations.
>
>     So -- I have a PAiA theremax which I modded to run at 12 Vdc and 300
> ma... My own designs are built with NiMH batteries in mind, but I can't
> think of a good battery setup to power the PAiA theremax kit. Would a cell
> phone battery be good? Keep in mind that I modded the kit to run at higher
> current than the typical theremax kit (with great results for the tone).
>
>     Any suggestions?
>
> Mark Reiser
>