Hey Kevin
Part numbers below are for Element 14 / Farnell
I used 8 way van damme speaker cable. You will likely need more cores as you are running a higher channel count.
19 Way ITT Trident Ringlock Series Plug Male Pin 192922-1280 ITT Cannon
19 Way ITT Trident Ringlock Series Plug Female Socket 192926-0530 ITT Cannon
Circular Connector Contact, T2P, Stamped, Trident Series, Pin, Crimp, 14 AWG, 16 AWG 192990-1220 ITT Cannon
Circular Connector Contact, T2P, Stamped, Trident Series, Socket, Crimp, 14 AWG, 16 AWG 192990-1230 ITT Cannon
Circular Connector Clamp, Straight, Unsealed, 16, 17 mm, Nylon (Polyamide), Trident Ringlock Series TR16ASR1N ITT Cannon