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Discussion about the Korg PolySix synthesizer

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Blue LEDs

Blue LEDs

2010-10-08 by silvercreekvalley

As part of my polysix 'refit' I'd like to replace
the red led's with blue ones. Is this likely to be
a problem - I'm assuming the red leds are fairly
standard size and voltage?

The switches seem to have a built in led, and I wonder
if its possible to replace those at all?

Anybody given this a try?

Ian

Re: [PolySix] Blue LEDs

2010-10-08 by Andrew Jury

Hi Ian,

It most certainly is and this is something I have had to do on a few
occasions. The series feed resistor also needs changing depending on the
spec of the LED. Use ohms law to figure that one out! I¹ll write you you
shortly ;-)

Cheers,
Andy


On 08/10/2010 16:46, "silvercreekvalley" <silvercreekvalley@yahoo.com>
wrote:

>
>
>
>
>
> As part of my polysix 'refit' I'd like to replace
> the red led's with blue ones. Is this likely to be
> a problem - I'm assuming the red leds are fairly
> standard size and voltage?
>
> The switches seem to have a built in led, and I wonder
> if its possible to replace those at all?
>
> Anybody given this a try?
>
> Ian
>
>
>
>
>



[Non-text portions of this message have been removed]

Re: Blue LEDs

2010-10-08 by ML

... and it may be a good idea to buy the LEDs and throw them on a breadboard first. This way you can experiment and find the right resistor value. Their brightness relative to the originals will vary for sure so once you know the voltage that Andy is talking about, base it on that and find the resistance that suits your taste. On paper it may be one value but it may prove too dull or bright so it's best to see the min action before committing.

Re: [PolySix] Re: Blue LEDs

2010-10-09 by Andrew Jury

Quite so! Blue is a much higher frequency than red in the colour spectrum
and some of these devices can be quite aggressive on the eye, so always best
to experiment first!


On 08/10/2010 21:40, "ML" <f115@rocketmail.com> wrote:

>
>
>
>
>
> ... and it may be a good idea to buy the LEDs and throw them on a breadboard
> first. This way you can experiment and find the right resistor value. Their
> brightness relative to the originals will vary for sure so once you know the
> voltage that Andy is talking about, base it on that and find the resistance
> that suits your taste. On paper it may be one value but it may prove too dull
> or bright so it's best to see the min action before committing.
>
>



[Non-text portions of this message have been removed]