Yes, the D1 IC, D2 IC, and all the speaker cables are made with Neotech EC-UPOCC copper wire in various gauges. The ICs are 22g, the speaker cables are 11, 14 and 20 gauge. This Neotech wire is the best copper wire I have ever used and is a great value. I can make a Duelund silver speaker cable but it will be very, very expensive.
Thanks for your comments!
I agree the DD is a just a nice sounding cable, the Duelund wire is very unique (and very expensive at $30/ft).
I have a system set up to burn in cables now! I doubt folks want to wait for it but I will consider adding a burn in service as an (no-cost) option.
Thanks for your comments, I agree dynamics are a strong point and a characteristic of UPOCC copper over regular copper. They are very fast, detailed and open without any harshness that can cause fatigue.