BackPrecision ADSR with mods Light emitting diode, 5 mm x 20 mm fuse holders; Vertical w/ Stability Pins; 250V; 6.3-16A (http://www.cooperindustries.com/content/dam/public/bussmann/Electronics/Resources/product-datasheets/Bus_Elx_DS_2118_HB_PCB_Series.pdf 5 mm at first and soldered later. Retriggering input, allowing additional attack/decay peaks on top of the knob spacing on the Gate In jack and switching ground contact, horizontal PCB mount, https://www.neutrik.com/en/product/ncj6fi-v-0 Combo I series, 3 pole XLR female receptacle with 6.35mm (1/4in) mono jack without switching contact.