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Re: Quad Potentiometer - Does such a thing exist?

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On 5/29/2017 2:51 AM, oldschool@tubes.com wrote:

[snip]
> 
> To sum up the whole thing, the sound will simply flow from speaker to
> speaker as it fades from the prior speaker to the next one.
> 
> I'm starting to catch on how to wire this (sort of), but I have no idea
> how to make all 4 potentiometer shafts to turn at the same time. I also
> believe I need potentiometers that do not have stops. (meaning that they
> can be rotated 360 deg and continue to rotate in the same direction
> indefinitely.
> 
> This is where my question arises: Do they have such a device already
> made, where there are 4 potentiometers connected by gears to one central
> shaft, and they are endless (no stop) type pots?
> 
> I have never really studied joysticks, but I did look up some web
> articles about them, and it appears that some of the early ones were
> simply potentiometers and were referred to as ANALOG joysticks.
> 
> But, if they do exist, where do I get more info about them and can they
> be purchased?
> 

I saw this done in the early '70s, electronically. They were using jfets to control
the level to each speaker and driving the jfets with an appropriate  signal.
It worked well.

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Quad Potentiometer - Does such a thing exist? oldschool@tubes.com - 2017-05-29 03:51 -0400
  Re: Quad Potentiometer - Does such a thing exist? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-29 09:23 +0000
  Re: Quad Potentiometer - Does such a thing exist? gray_wolf <g_wolf@nospam.com> - 2017-05-29 04:28 -0500
    Re: Quad Potentiometer - Does such a thing exist? tabbypurr@gmail.com - 2017-05-29 02:58 -0700
  Re: Quad Potentiometer - Does such a thing exist? "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-05-29 05:54 -0500
  Quad Potentiometer - Does such a thing exist? Anthony Stewart <tony.sunnysky@gmail.com> - 2017-05-29 07:38 -0700
  Re: Quad Potentiometer - Does such a thing exist? Winfield Hill <hill@rowland.harvard.edu> - 2017-05-29 08:42 -0700
    Re: Quad Potentiometer - Does such a thing exist? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-29 16:55 +0000
      Re: Quad Potentiometer - Does such a thing exist? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-29 17:18 +0000
        Re: Quad Potentiometer - Does such a thing exist? speff <spehro@gmail.com> - 2017-05-29 10:31 -0700
          Re: Quad Potentiometer - Does such a thing exist? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-29 18:17 +0000
          Re: Quad Potentiometer - Does such a thing exist? krw@notreal.com - 2017-05-29 14:29 -0400
      Re: Quad Potentiometer - Does such a thing exist? Winfield Hill <hill@rowland.harvard.edu> - 2017-05-29 10:29 -0700
        Re: Quad Potentiometer - Does such a thing exist? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-29 18:10 +0000
          Re: Quad Potentiometer - Does such a thing exist? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-31 11:46 +0000
          Re: Quad Potentiometer - Does such a thing exist? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-31 14:29 +0000
  Re: Quad Potentiometer - Does such a thing exist? Sjouke Burry <burrynulnulfour@ppllaanneett.nnll> - 2017-05-29 23:45 +0200

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