the price is one pair( 2 pcs) , if you need more. we also provide factory matched! All the tubes have 15 months warranty! Feature: E-300B, E-274B, and E-2A3 are screens made of permalloy and carburized, with high purity, strong electron emission ability and service life, the tube type adopts the antique "eggplant" shape structure, and the tube The core is suspended in the air and separated from the glass bulb, effectively avoiding vibration and noise. The four poles strengthen the support of...

the price is Matched pair(2pcs) , if you need more. we also provide factory matched! All the tubes have 15 months warranty! Feature: E-300B, E-274B, and E-2A3 are screens made of permalloy and carburized, with high purity, strong electron emission ability and service life, the tube type adopts the antique "eggplant" shape structure, and the tube The core is suspended in the air and separated from the glass bulb, effectively avoiding vibration and noise. The four poles strengthen the support of...

the price is one pair( 2 pcs) , if you need more. we also provide factory matched! All the tubes have 15 months warranty! Feature: E-300B, E-274B, and E-2A3 are screens made of permalloy and carburized, with high purity, strong electron emission ability and service life, the tube type adopts the antique "eggplant" shape structure, and the tube The core is suspended in the air and separated from the glass bulb, effectively avoiding vibration and noise. The four poles strengthen the support of...

LINLAITUBE Elite Series E-274B Hi-end Vacuum Tube Replace WE274B 1 Piece Gift box Brand New the pice is just for one piece. if you need more, we provide Factory tested, Matched pair, Luxury gift box,one-year warranty. Provide Matched Quad(4),Matched Sextets(6),Matched Octet(8). the price is one pair( 2 pcs) , if you need more. we also provide factory matched! All the tubes have 15 months warranty! Feature: E-300B, E-274B, and E-2A3 are screens made of permalloy and carburized, with high purity,...

LINLAITUBE Elite Series E-101D Hi-end Vacuum Tube Replace WE101D Electronic tube value Matched Pair 100% brand new this tube have two model: 1.  E-101D ​solid core screen ( with four same pins) 2.  E-101D net screen ( 2 thicker & 2 thinner pins ) also all the tubes is provide matched pair, matched quad an matched six thanks     E-101D ​solid core screen ( with four same pins) E-101D net screen ( 2 thicker & 2 thinner pins ) Description Lin Laizhiyin's...

Linlai Sapphire 300B Electronic Tube Direct Replacement Psvane 300B Electronic Tube 100% brand new & original factory Feature :  The Sapphire series adopts a blue glass shell, which not only brings visual art enjoyment to people, but also has the function of shielding electronic clutter and uniform electron escape. The top mica is fixed with three points around it to prevent screen vibration during transportation or use, reduce roughness, and make the background more peaceful, the...

LINLAI Sapphire 274B Hi-end Vacuum Tube Replace WE274B 1 Piece Gift box 100% brand new & original factory the price is for 1 Piece tube Feature :  The Sapphire series adopts a blue glass shell, which not only brings visual art enjoyment to people, but also has the function of shielding electronic clutter and uniform electron escape. The top mica is fixed with three points around it to prevent screen vibration during transportation or use, reduce roughness, and make the background...

LINLAITUBE WE274B Western Electric Classic Replica Replace 274B Matched Pair Brand New Features: 1:1 Re-enactment of the 274B of Western Electric in the 1940s, moldy screen New technology, new sound quality, factory direct sales quality assurance The sound is transparent and moist, the sound field is strong, the musical analysis is excellent, the musical taste is strong, the super cost-effective re-enactment of Western Electric 274B

In the early 1930s, in order to stand out in the competition with the vacuum tube industry giant American Western Electric, the American RCA company launched the first high-power triode vacuum tube - RCA845, with a push-pull output of 60 watts of power, and successfully Volume is maintained to an acceptable level. In 1937, not to be outdone, the Western Electric Company of the United States launched the WE284A, which became the new 845 vacuum tube benchmark with basically similar electrical...