[sdiy] LED zepplin and the Ladder to Heaven

[John L Marshall]

Use Jumbo LEDs for really Phat sound.

What is the longest diode ladder that has been used successfully?

Take care,
John
---------------------------------------------------------------------------
Pacific Northwest DIY Synthesizer meeting, January 18, 2003
See: www.sound-photo.com
---------------------------------------------------------------------------

----- Original Message ----- 
From: "patchell" <patchell at silcom.com>
To: "harrybissell" <harrybissell at prodigy.net>
Cc: <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, October 27, 2002 7:45 PM
Subject: Re: [sdiy] LED zepplin and the Ladder to Heaven


>     I don't know, but that could posibly add some color to the
> sound.....
> 
>     Can't believe I just said that. ;^)
> 
> harrybissell wrote:
> 
> > I just tried using LED bargraph chips in a diode ladder.
> > It worked, it sounds good (although it does not sound
> > very different than silicon diodes imho)... and it looks
> > VERY cool as it sweeps up and down, with LEDs
> > glowing faintly....
> >
> > I'm going to try unequal drops by using paired, different
> > color LEDs...
> >
> > Any comments on what THAT might do...
> >
> > (I'm thinking... not much)
> >
> > H^) harry
> >
> > also finished cabinet #1 (of four) for my rebuilt modular...
> >
> > Aries 314 VCO
> > Thumbwheel select and quad mixer
> > Aries 317 VCF
> > Two VCA, Envelope Follower (an old sh!tty one), Inverter/Buffer
> > Two A/R envelope generators (quite nice, actually)
> >
> > Its in a SKB 5 space shallow rack with a power supply. The cabinets
> > will daisy-chain with 2' DB-25 M/F cables... Power, KBD CV, Gate,
> > Trigger, Aux CV,  Env 1,2,3 and LFO 1,2,3 are included in the cable.
> 
> --
>  -Jim
> ------------------------------------------------
> * Visit:http://www.silcom.com/~patchell/
> *-----------------------------------------------
> *I'm sure glad Merry Christmas comes just once a year
> * -Yogi Yorgensen
> ------------------------------------------------
> 
>