[sdiy] Key spring colors on ARP synths

[Benjamín Velasco]

Slightly OT.

I think I once read about a specific tool for leveling those Pratt Read
keyboards that allowed pushing/pulling the bushings posts without having to
remove the keys. Or did I dream this tool existed?

El dom, 2 feb 2025 a las 20:39, <tamedogs at wildcats.com> escribió:

> I worked there from early 1974 to late 1980.
> Keyboards came from pratt-read. They came out of the crates, a guy named
> Gene buffed the keys and into the units they went. I never heard anyone
> ever
> talk about spring colors.
>
> Dana
>
> -----Original Message-----
> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of
> Terje
> Winther
> Sent: Sunday, February 2, 2025 4:36 PM
> To: David G Dixon via Synth-diy <Synth-diy at synth-diy.org>
> Subject: [sdiy] Key spring colors on ARP synths
>
> Recently I have fixed some old ARP synths. They all needed a really good
> cleaning of the keyboard. And as you know; you need to remove those key
> springs to change key bushings and various other fixes.
> The key springs have two colors; black and (dark) red. Supposedly because
> of
> different tensions for the white and black keys, since they have slightly
> different horizontal travel.
>
> But here is where it gets strange:
> Some of the synths I have fixed used black springs for black keys (sort of
> easy to remember), while other synths used the red ones for the black keys.
> So which is correct? Or did ARP change this according to any sort of
> differences between the various versions of the Axxe and Odyssey etc.?
>
> Anyone?
>
>
>
> Terje Winther
> terje.winther at wintherstormer.no
> http://wintherstormer.no/
>
>
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-- 
*Benjamín Velasco Ossandón*
Cel. +56 9 96344468
Casa. +56 2 27162400
Oficina. +56 2 29254154
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