[sdiy] Switch with Bowden cable?

[Travis Shire]

> When I recently opened my HiFi Amp (Sony T FA-190) to change some
capacitors
> in the phono section, I noticed a very clever way of input source
switching:
>
> There was a slide switch next to the input connectors on the rear, a
rotary
> knob on the front panel, and a flat, plastic connection that obviouly
works
> like a Bowden cable, which transfered the rotary motion of the knob into a
> lateral motion which moves the slide switch.
> To make things even better, the connection of this Bowden thing to the
slide
> switch was easily removable.
>
> I've never seen something like that before (but then again I didn't look
> inside HiFi stuff for 20 years).
> Big question: Are such parts available anywhere, for us DIY people ??
>
> JH.

My Pioneer A717 int amp (circa 1987) has that type of switch coupling. This
uses a metal ribbon of sorts in a plastic housing. There are gears which
translate rotory motion to linear.