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EFM (Electronics For Music), was started by Tom Gamble in 1997 as a way to share his enthusiasm for analog synthesizers. Originally posting DIY projects, mostly for the synth DIY mailing list but also venturing into guitar effects and guitar amplifiers. In 1998 he started selling PCBs.[1]

The 19xx boards use 0.156" Molex KK connector connectors and the 35xx ones uses the 0.100" series.[2]


  1. ^ About EFM
  2. ^ Re: [sdiy] EFM 35XX power connectors...?, 28 May 2005, Tom Gamble

External links