Dave Smith Instruments SYNTHESIZERS

Hello,

there is a thread on the subject in the evolver board.
here is the link:
http://www.ex5tech.com/ex5ubb_cgi/ultimatebb.cgi?ubb=get_topic&f=23&t=000148

let us know how it goes!

cheers

Mathieu


--- In DSI_Evolver@yahoogroups.com, Jonathan Villegas
<jville.geo@y...> wrote:
>
> Hello,
> 
> The thinking is not right.
> 
> Putting a resistor in series with your batteries just
> throttles the current flow.
> 
> The Evo (desktop) needs about 750 mA of current at
> 13.6 VDC (output rating of wall-wart). Nine-volt
> batteries aren't capable of supplying 3/4 of an Amp of
> current. If it works at all, it will be for a very
> short time.
> 
> You might want to research battery packs (of the
> appropriate voltage) used by camcorders or
> photographers. This may be a better solution for
> battery operation.
> 
> ~ Jonathan
> www.lbop.net
> 
> 
> --- DSI_Evolver@yahoogroups.com wrote:
> 
> Message: 3         
>    Date: Tue, 25 Oct 2005 00:14:21 -0000
>    From: "rgmccaig" <rgmccaig@i...>
> Subject: making a simple battery pack?
> 
> If I took 2 9v batteries in series to create 18V, plus
> a resistor in
> series to lower the voltage, could I plug that in to
> run my Evo?
> 
> I am thinking the load of the Evolver is 15V / 0.5 A =
> 30 ohms?
> 
> So a 10 ohm resistor in series with the evolver would
> take 1/4 of the
> 18V, ie 4.5 V, leaving 13.5V for the Evo.
> 
> Anybody know if I'm thinking about it the right way?
> 
> 
> 		
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