[sdiy] Multi and attenuators.....modular

[harry]

Hi John (et al)

Check out how Fender does the input jacks on their tube amps such as
the Twin, etc... They make it so that if you use one jack, you get one
attenuation... the other jack is a second attenuation... and if you use both

they become a mixer. Might be a clever trick to try...

H^) harry

John Blacet wrote:

> So I'm looking at a FracRak ear and realize that there is room for some
> jacks, etc in one vertical row. They would actually mount on the side
> panel that attaches to back of the ear, with clearance/access holes in
> the ear itself. Or a small PCB might be nice.
>
> I see three jacks as a multi and an IN jack, OUT jack and pot for the
> attenuator. The multi would be normalled to the IN jack, which would
> give you a 4X multi with one attenuated OUT if nothing was plugged in
> the IN jack.
>
> Plus, if you "misuse" the OUT as an "IN", then it looks like you have an
> attenuator with three outs....penalty being a low input impedance with
> the pot wiper near ground. 1K resistor might be good idea.
>
> Useful? More ideas?
>
> Regards,
> ___________________
> John Blacet
> Blacet Research
> http://www.blacet.com

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