Eurorack › Envelope Follower EF-1 by Wildsync Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Envelope Follower EF-1 by Wildsync Sale Price: €91.00 Original Price: €100.00 Envelope follower, amp, gate and trigger generator.Size: 6HP Unfortunately this masterpiece is out of stock =( You can sign up here to get notified when it is back in stock Add To Cart Added! Envelope follower, amp, gate and trigger generator.Size: 6HP Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like SAR by Takaab - Gate Controlled Lag Generator (Slide / AR Envelope) €54.00 MMI Maxima by Herzlich Labs - Experimental Performance Controller €151.00 Pico EF (Envelope Follower) by Erica Synths €92.00 Sold Out Atatashka (Ататашка) 1U by Paratek - 3 channel passive attenuator €56.00 Sold Out Taktomer-2c by Paratek - Gate counter, clock, stopwatch €140.00 Sold Out