[sdiy] New Scanner Vibrato demo

Fri Jun 27 16:55:05 CEST 2008

Wooooo string filter! :D :D :D

On 6/26/08, JH. <jhaible at debitel.net> wrote:
> It would be possible to adapt the circuit for about any kind of inductors -
>  but as it is, it's optimized to take into account the specific parasitics of
>  a certain brand of inductors:
>  http://www.reichelt.de/?;ACTION=7;LA=6;OPEN=1;INDEX=0;FILENAME=B400%252F09P%2523FAS.pdf;SID=15ToD9o9S4AQ8AAF7Nx8Ub3afc930ec62a468a8a3781741ce3505
>
>  I *will* make a BOM available for this eventually, which should make things
>  clear. And I'm even talking to someone who *might* (might! - no promises!)
>  offer "official" kits for this, which should make things a lot easier for
>  many of us.
>
>  Right now, I'm so deep into handling String Filter shipping, that the
>  Scanner stuff onlw has 2nd priority.
>  The only reason why I've started taking orders for the Scanner now, is to
>  avoid someone misiing the preorder window during holidays season.
>  You'll all have a lot of time to get components for this.
>
>
>  JH.
>
>
>  ----- Original Message -----
>  From: "Werner Flügel" <wfluegel at fh-lausitz.de>
>  To: "Synth DIY" <synth-diy at dropmix.xs4all.nl>
>  Sent: Thursday, June 26, 2008 12:39 PM
>  Subject: Re: [sdiy] New Scanner Vibrato demo
>
>
>  JH. wrote:
>  (...)
>  > And finally, my Delay Line is a 25-Inductor version, as used in very early
>  > Hammond organs. Later models had a 18-Inductor line, where the Inductors
>  > were loosely coupled. But Hammond's goal certainly was to get the same
>  > effect with less expensive means, so "25-L" and "18-L+M" versions should
>  > be
>  > quite similar in how they sound.
>  >
>
>  What type of inductors did you use? The schematic says only "33mH".
>  Would Conrad-Partno. 535567-13 fit mechanically?
>
>  (datasheet at
>  http://www2.produktinfo.conrad.com/datenblaetter/525000-549999/535567-da-01-de-Drossel_33MH.pdf)
>  --
>  mfG.
>
>  W.Flügel
>  HRZ FH Lausitz
>  Tel. 03573 / 85382
>
>  Bitte keine HTML-Mails, oder lesen Sie gern sowas:
>  <header><!DOCTYPE blabla></header><body>Ja Hallo erstmal<br></body>
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