Whadda MK194N FM radio Assembly kit 9 V DC | Conrad.com
Latest Hifi Stereo Tube Preamplifier Pcb Board Based On Conrad-johnson Cj Pv-12 Circuit /ac1---high Voltage: 270-280v (0.1a) - Home Theater Amplifiers - AliExpress
FRANZIS 67041 – The Tube Radio to Build Yourself – Listen to Radio as 60 Years ago, Complete Set Including 16-Page Manual (Soldering Kit): Amazon.de: Toys