[sdiy] ARP Axxe sliders set
dave at expeditionelectronics.com
Fri Apr 9 00:38:38 CEST 2021
I just received a package from OSH Park today of some boards similar to
those GMU Arp ones. I made these up to repair my Maestro USS-1a which
used those CTS sliders but with ridiculously long shafts. The good news
is there's lots of room to space the replacements off the main board
above any other components. These are slightly different than the
GMUSynth offering for the Arp but similar idea. Mine have holes for
mounting standoffs. I'll be soldering them tonight to verify they
work. If anyone has a similar need let me know, can share the files.
On 4/8/21 6:13 PM, francesco mulassano via Synth-diy wrote:
> the gmusynth solution seems very interesting also for the price.
> Il giorno gio 8 apr 2021 alle ore 16:33 Michael E Caloroso
> <mec.forumreader at gmail.com <mailto:mec.forumreader at gmail.com>> ha scritto:
> Best new replacements are Bourns PTL slidepots with adapter boards
> from gmusynth.com <http://gmusynth.com>
> You want 45mm length 15mm shaft slidepots.
> Forget rebuilding originals. Those CTS slidepots were not long life
> and their resistive elements fail over time. The rework is labor
> intensive and will not extend their life. The same problem exists
> with NOS.
> On 4/8/21, francesco mulassano via Synth-diy
> <synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> wrote:
> > Thank you Mark,
> > I knew about CTS and the clones, did the adapters for alps work
> > thanks for the suggestions
> > F.
> > Il giorno gio 8 apr 2021 alle ore 12:46 mark verbos
> <markverbos at gmail.com <mailto:markverbos at gmail.com>>
> > ha scritto:
> >> Francesco,
> >> The original ones are from CTS and long out of production. They
> were used
> >> in Buchlas and Urei equalizers. They are and always were
> garbage. You can
> >> take them apart and clean with alcohol and then re-lube them to
> get them
> >> working again. Or in the case of an Axe or Odyssey you can
> soak the
> >> entire
> >> PCB in alcohol and then scrub with a big soft brush and re-lube the
> >> sliders. I have not personally done it, but I have seen it done
> >> successfully. There are Chinese clones out there. They also
> feel terrible
> >> and will probably break very quickly, so a very accurate
> >> You
> >> can usually find them on ebay. I have also made a small PCB
> that hasthe
> >> holes for one of those and the holes for an ALPS 45mm slider so
> you can
> >> put
> >> the ALPS one in its place. Sadly, getting those ALPS ones in
> tapers and
> >> values is not easy.
> >> Mark
> >> PS. I hate the way that all senders are
> “synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org> now. It
> >> really messes with my ability to skim content.
> >> On Apr 8, 2021, at 11:44 AM, francesco mulassano via Synth-diy <
> >> synth-diy at synth-diy.org <mailto:synth-diy at synth-diy.org>> wrote:
> >> Not exactly DIY but i need to find the complete set of sliders
> for my arp
> >> axxe, where can i find them in europe without giving away a
> kidney? I
> >> believe that those that are on the market are clones of the
> originals, do
> >> you know if there are compatible ones to spend less?
> >> Thank you!
> >> Francesco
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