Machining copper posts for the Cardas CPBP Single Knob Binding Post. #machineshop #cnc #americanmanufacturing #highendaudio #bindingpost Cardas Audio Facebook 2 Lets start with the back panel, one of my favorite parts. The copper binding posts are by Cardas Connector, and they have such a quality feel and finish. Really set the CPBP CRS Binding Post Cardas CCGR Gold Rhodium Binding Posts Cardas CPBP CRL Binding post Reverb