Back surdo (L for low, H for high R/L: accented note (right/left hand suggested)
r/l
Quieter, unaccented note
*
A trill, generally three very fast notes on repique/caixa, two or three for surdos Add schematic, start on PCB sandwich, making some final-ish decisions about connecting to front panel and Pin 1, horizontal PCB mount, https://www.neutrik.com/en/product/ncj6fa-v Combo I series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, vertical PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc5fah-da A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack, switched, fully threaded nose, https://www.neutrik.com/en/product/nsj12hh-1 Stacking Jacks, Mono dual jack, half threaded nose and fishtail PCB pins, https://www.neutrik.com/en/product/nmj4hfd3 M Series, 6.35mm (1/4in) jack receptacle, horizontal pcb mount, replaces NLJ2MD-V, https://www.neutrik.com/en/product/nlj2mdxx-v speakON Chassis Connectors.