5Z3 MARCONI TUBE RECTIFIER NOS DD GETTER PAIR 1930 ' S 274B U52 5V4 진공관 真空管 大盾阀门
Item History & Price
tube valve lampe röhre tsf 진공관 真空管 HAM RADIO audio hi-end hi-fi diy POWER AMPLIFIER roehre Pre-Amplifier Preamp Pri VINTAGE stereo SE Single Ended PP Push-Pull VACUUM TUBES röhren roehre
COPPIA 3