DIY

Cardas GRQ S S 6.3mm (1/4") Stereo Plug - Rhodium over Silver Plate

Cardas Audio Quad Eutectic Solder with Rosin Core - .25lb / 113 grams - 92ft (28M)

Cardas Audio Rosin Flux Soldering Paste / Made In USA

Lemo Connectors for Focal Utopia Headphones / Pair