Frac rack: Difference between revisions

'''Frac rack''', '''FracRak''' or '''Frac''', from ''Fractional Rack'', is the modular synthesizer format designed by [[John Simonton]] of [[PAiA Electronics Inc|PAiA]]. It has a mainly USA following largely through the popularity of [[Blacet Research|Blacet]] modules.<ref name="measures">[http://www.electro-music.com/forum/viewtopic.php?t=18281&postorder=asc Standard measurements in front panels], Electro-music.com forum, April 2006</ref><ref name="an">[http://www.analognotes.com/ Analog Notes]</ref><ref name="list">[https://www.muffwigglermodwiggler.com/forum/viewtopic.php?t=1461 List of Frac module manufacturers], Muff's Modules & More forum, August 2008</ref>

Frac format modules typically use 3.5&nbsp;mm connectors and plugs for patching, although there are companies that offer modules with banana jacks e.g. [[BugBrand]], [[Metalbox]].<ref>[https://www.muffwigglermodwiggler.com/forum/viewtopic.php?t=7514&sid=6d5c4caf944e77c085f0437cf90ce3be Banana Frac: The Definitive Guide], Muff Wiggler forum, August 2009</ref><ref>[http://www.metalbox.com/ Metalbox Info]</ref>

* [[CGS]]<ref>[https://www.muffwigglermodwiggler.com/forum/viewtopic.php?t=2462 which frac filter?], Muff Wiggler forum, Dec 2008</ref>

* [[Music From Outer Space|MFOS]] – not format specific and can be powered by +/-15V<ref>[https://www.muffwigglermodwiggler.com/forum/viewtopic.php?t=167974 Modular Addict has MFOS PCB's!], Muff Wiggler forum, Sep 2016</ref>

* [[Oakley Sound Systems]] – some support for Frac and some [[5U]] PCBs can fit behind a Frac panel.<ref name="src">[https://www.muffwigglermodwiggler.com/forum/viewtopic.php?t=42303 Source for MOTM Frac DIY], Muff Wiggler forum, Sep 2011</ref>

* [https://www.muffwigglermodwiggler.com/forum/viewforum.php?f=15 Fractional Rack Modules], Muff's Modules & More forum,