Just did a quick search on Fleabay looking for a CP35 and came across this... I've owned 2 Yaqin products, they were both quite good. This looks to be a steal and later you can roll tubes.... I'll point you to a couple DAC's under $100 if interested.
I hope this helps, Tim
http://www.ebay.com/itm/YAQIN-845-12AX7-Class-A-Hi-End-Vacuum-Valve-Tube-Hi-end-Pre-Amplifier-110-24...
I hope this helps, Tim
http://www.ebay.com/itm/YAQIN-845-12AX7-Class-A-Hi-End-Vacuum-Valve-Tube-Hi-end-Pre-Amplifier-110-24...