6v6gt Marconi tube Italy yellow label vintage black base smoked glass round plate fully tested 55 ; 48 ( reference good is 46 on tv7 tube tester calibrated )

works great with these amplifier LEAK TL 10 POWER TUBE AMPLIFIER BRITISH MADE LEAK MODEL TL-10 BRITISH MADE LEAK POINT ONE TL/10 MADE IN ENGLAND H.J.LEAK & CO LTD LONDON 10 WATT POWER Fender Musicmaster Bass Guitar 1970 Fender Champion 600 (new) Fender Tweed Champ 1960 Victoria Amp Model # 20122 Fender 57 Champ Reissue Fender Deluxe 1963 Fender Tweed Champ with 5F1 circuit Audio Note Kit 4 Fender Deluxe Reverb Marshall Studio 15 VHT special 6 the Egnater Tweaker 15 Princeton Reverb

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

BOX 11 box 20 coppia a