Dome top on my LFO 1


--- In Doepfer_a100@y..., "jmaddocks1975"
<jmaddocks1975@y...> wrote:

> yep you're right.
> I just checked my Analogue Systems modules (I only have 3

VCLFO's

> though) and they all have flat LEDS's.....interesting.
> Maybe doepfer couldn't source any, afterall Doepfer are

German and

> Analogue Systems are English. What about Analogue

Solutions, I have

> only 1 filter (MS20) has no LEDS's but do they use flat ones
> I wonder if American companies use Flat ones.
>
>
> John.
>
>
>
>
>
> --- In Doepfer_a100@y..., "(i think you can figure that out)"
> <petergrenader@h...> wrote:
> > Hate to break it to you guys - but the modules on my

Analogue

> > Systems gear, all of which is new, all has flat tops.
> >
> > Every single dang one of them.
> >
> > So, it's not because of obsolesence. But your observation is
> > correct, not all LEDs are created electrically equal, so saying
> the
> > flat tops respond quicker could be due it's electrical
> > charactoristics as opposed to just a difference in luminance
> > reflection of the domed lens. I know from playing around with
> > some filters that using LEDS in place of signal diodes within

a

> > circuit will give different coloring to the sound from one LED
> type
> > to another. Some sound warmer than others. As silly as this
> > seems, green ones are particularily warm sounding.
> >
> > John Blacet is famous for using leds within his circuits, on

the

> > circuit boards themselves. He does this for sonic reasons

with

> > intention of bringing them to the faceplate.
> >
> > I swear, I'm not making this up!
> >
> > Peter
> >
> >
> >
> > --- In Doepfer_a100@y..., "Joe Buechler" <buechlerjoe@t...>
> > wrote:
> > > I recall reading somewhere that all of the A100 modules
> > originally
> > > had the flat red LEDs, and the Doepfer converted over
> > completely to
> > > the round orange-ish LEDs. I don't think any flat LED

modules

> > have
> > > been produced since then, and it affected all of the

modules,

> > so it
> > > didn't coincide with design mods as far as I know.
> > >
> > > Its possible, though, that Doepfer has made changes to
> > various
> > > modules over time that haven't been reflected in version #s.
> > >
> > > Maybe in a few years the flat LED modules will be

considered

> > a rare
> > > collectors item ;-)
> > >
> > > Joe
> > >
> > > --- In Doepfer_a100@y..., "ethanzer0" <ethanzer0@y...>

wrote:

> > > > --- In Doepfer_a100@y..., Paul Schulz <dasfonk@w...>

wrote:

> > > > > No matter which type of LEDs they have, my A-140s are

all

> > marked:
> > > > > "version1, 1995", so Doepfer don´t seem to have

changed

> > anything.
> > > > > So your idea of 'second sourcing' makes sense.
> > > > >
> > > > > Paul
> > > > >
> > > > >
> > > > > Tim Stinchcombe wrote:
> > > > >
> > > >
> > > > I have 5 A-140s. 3 of which
> > > > have flat LEDs. Of the 3 that
> > > > have flat LEDs, 2 have visably
> > > > different components on the PCB.
> > > > Different transistors, differetly
> > > > marked resistors, etc. I can
> > > > understand red versus blue transistors
> > > > as a sourcing issue, however, the banding
> > > > on resistors is supposed to be somewhat
> > > > of a standard. The differences in these
> > > > two seems to identical.
> > > >
> > > > It just so happens that these 2
> > > > are the 2 I like most.
> > > >
> > > > Ethan