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[[File:Potentiometer knob with set screw.jpg|thumb|right|200px|Potentiometer knob with set screw.]][[File:10K Potentiometer 1480313 4 5 Enhancer.jpg|thumb|right|200px|Splined shaft on potentiometer.]]'''Knobs''' fit on controls, e.g. [[push buttons]], [[potentiometers]] or sliders and [[rotary switches
== Use with potentiometers ==
Splined push on knobs fit splined pot shafts. Pots with with round or D shafts require knobs with plain holes that if not push fit, have set screws to hold them in place. Most spline shaft pots have a slightly smaller diameter shaft than round or D shaft. Usually splines are 6mm while most round ones are 1/4" (6.35mm). So 1/4" setscrew knobs will end up slightly lopsided when tightened onto a 6mm spline shaft. Knobs fastened by a collet require a box spanner to fasten them.<ref>[https://www.muffwiggler.com/forum/viewtopic.php?t=54215&sid=0c1a5b9d1c9d353c1a8e025489dcf6ac knurled vs round shaft pots], Muff Wiggler forum, March 2012</ref><ref>Wikipedia: [https://en.wikipedia.org/wiki/Control_knob Control knob]</ref>
== Knobs in common use ==
=== Moog, Synthesizers.com, STG Soundlabs ===
The [[Moog]] style "fluted taper skirt" control knobs, also used by Roger Arrick at Synthesizers.com and [[STG Soundlabs]] are manufactured by Cosmo Corporation.<ref name="yu">[http://yusynth.net/technique/knobs.html Control knobs], YuSynth</ref>
=== EMS ===
The [[EMS VCS3]] knobs were made by [[Cliff Components]], part number CL1606. Available in two sizes, the cap insert was satin or shiny silver, or with any of nine colours. They are no longer available from Cliff Components.<ref name="yu"/>
=== Aries, Macbeth, Modcan B ===
[[Aries modular]]s used ridged knobs which these days are mainly used by [[Ken Macbeth]] and on [[Modcan B]] modules.<ref name="yu"/>
=== MOTM ===
[[MOTM]] use fluted knobs with a narrow flat skirt.<ref name="yu"/>
=== Buchla ===
[[Buchla]] syths use Rogan knobs, <ref>[https://www.muffwiggler.com/forum/viewtopic.php?t=34941 Rogan knobs group buy], Muff Wiggler forum, May 2011</ref> and also Davies Molding knobs on 100 and 200 series modules.<ref>[https://www.muffwiggler.com/forum/viewtopic.php?t=80148 Rogan Unskirted Knobs and Buchla Davies Knobs], Muff Wiggler forum, March 2013</ref>
* Mouser, Davies Molding small: [http://www.mouser.com/ProductDetail/Davies-Molding/1610AA/?qs=OOlfN7xiPDdeEEgHjNaaZg%3D%3D 5164-1610AA]
* Mouser, Davies Molding big: [http://uk.mouser.com/ProductDetail/Davies-Molding/1600BM/?qs=KXwHq3qc7XD21ujvolpcaw%3D%3D 5164-1600BM]
== See also ==
*[[MU_DIY_parts#Knobs|MU DIY parts, Knobs]]
*[[MOTM_DIY_parts#Knobs|MOTM DIY parts, Knobs]]
*[[Eurorack DIY parts#Knobs|Eurorack DIY parts, Knobs]]
*[[Frac DIY parts#Knobs|Frack DIY parts, Knobs]]
== References ==
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* [http://www.rapidonline.com/Mechanical-Fastenings-Fixings/Knobs Knobs], Rapid Electronics
* [http://uk.mouser.com/Electromechanical/Knobs-Dials/_/N-5g22/ Knobs & Dials], Mouser Electronics
* [http://www.surplussales.com/shafthardware/knobs/index.html Control Knobs Index], Surplus Sales of Nebraska
[[Category:Hardware]]
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