defekt.ch
loopsandbits.ch
houseofsound.ch
schneidersladen.de
doepfer.de
buchla.com
mutable-instruments.net
synthesizers.com
http://synthesizer.at/
http://greatsynthesizers.com/
http://www.amazona.de
http://www.sequencer.de/
http://www.synthzone.com
http://www.soundonsound.com
http://www.vintagesynth.org
rebeccajenny.ch
norbu-verlag.de