Vacuum Tube FM Radio Vintage Wireless Stereo Receiver Board Kit with Transformer. The kit requires you to solder it yourself. Purchasing this kit requires a certain degree of assembly and debugging of electronic products. One power transformer 9 tubes (6K4 = 2, 6J4 = 2, 6C11 = 1, 6N3 = 1, 6N2 = 1, 6Z4 = 1, 6E2 = 1). Tube base, RC element and inductance element. Please leave note for your special request e. Please do NOT leave negative or neutral feedback without any contact. We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you.