Fredric Effects - Want to see a quick comparison vid of the Fredric Effects Harmonic Percolator clone with the Chuck Collins / Theremaniacs Harmonic Percolator clone? #harmonicpercolator #harmonicpercolatorclone #fredriceffects | Facebook
Museum of Lost Effects: Interfax Harmonic Percolator - tonefiend.com
Anyone have a Chuck Collins/Theremaniacs Harmonic Percolator - OffsetGuitars.com
Guitar Pedal X - GPX Blog - Electronic Audio Experiments Retools and Revives its Dude Incredible Dual Channel Percolator + IVP
NPD! Just received my 1000 Hurts (Interfax Harmonic Percolator clone) all the way from the UK via Latent Lemon Audio. Overall experience communicating, build time, payment process and shipping time has been