[sdiy] I need your knob expertise

MTG grant at musictechnologiesgroup.com
Thu Oct 8 23:42:19 CEST 2015


Those look like they could be the Alcoswitch PKE series.

http://www.jameco.com/Jameco/Products/ProdDS/551030.pdf



On 10/8/2015 12:03 PM, Pete Hartman wrote:
> I have these for exactly that purpose
>
> http://elmegil.dynathome.net/~elmegil/IMG_20151008_135300299.jpg
> http://elmegil.dynathome.net/~elmegil/IMG_20151008_135242515.jpg
>
> Unfortunately they're in an unmarked bag, and I got them a long time
> ago, so I couldn't tell you part numbers or suppliers.
>
> If I needed more I'd probably search mouser for knob brass insert, limit
> to 1/8" rather than 1/4" or common equivalents (e.g. 6mm) and see what
> came up.  These particular ones also use a hex wrench for adjusting the
> set screw rather than a standard jeweler's screwdriver.
>
> These have the advantage of matching 99% of the rest of the knobs on my
> 5U gear....
>
> Thanks
>
> Pete
>
> On Thu, Oct 8, 2015 at 1:47 PM, MTG <grant at musictechnologiesgroup.com
> <mailto:grant at musictechnologiesgroup.com>> wrote:
>
>     I'm looking for a relatively low profile knob for a rotary switch.
>     1/8" diameter shaft. The switch does seems to require some force to
>     turn, so knob diameter should not be tiny. I don't know for sure
>     yet, but probably >= 1/2" in diameter and about the same in height?
>     It's for a retrofit mod that will appear on the outside of some NOT
>     rare vintage gear.
>
>     Curiously I have zero knob stock,  =:-o  so rather than just buy a
>     pile of stuff to test off eBay, I thought I should ask here first.
>
>     I'm using a Grayhill 4 position rotary switch ($$$) because it seems
>     to be the only thing I can find that will fit in small places.
>     Anyway it has a 1/8" shaft with "a bit" of a flat spot.
>
>     http://www.mouser.com/ds/2/626/Rotary_56-335299.pdf
>
>     GB
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