Description
Details: Ground Grid gg Stereo Tube preamplifier kit Works voltage: +DC200V 0 -DC200V and + DC12V PCB Size: 132X132mm thickness: 1.5mm copper thickness 50um. This board is use 3pcs 12AU7 tubes. (note: this link default price is not include the tubes) Note: Diy kit:all parts need buyer to solder,not included 3pcs tubes Assembled board:have tested well,not included 3pcs tubes Suitable power supply board link: https://www.ebay.com/itm/353064178327