[sdiy] Roland 191J PSU

[Chris Bethea]

If the PSU has linear regulators or LDOs creating the +/-15V rails, you should be just fine. In fact, most likely you'll be making the power supply more efficient 'cos the regulators won't dissipate as much heat energy :)

-- Chris Bethea

On 2010/12/17, at 21:07, Louis van Dompselaar <louis at dompselaar.org> wrote:

> Hi List,
> 
> The Roland 191-J PSU is +/-15V but uses a 2x22V transformer.  Would there be any reason why this wouldn't work with a 2x18V transformer?
> The design is pretty straight forward, I can't really see why it would need such a relatively high voltage transformer.
> 
> I need to replace one but can only get 2x18V or 2x24V.  The latter would probably be too much.
> 
> Louis
> 
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