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 one pair( 2 pcs) , if you need more. we also provide factory matched! All the tubes have 15 months warranty! Feature: E-845 E-211, the material uses a new type of metal molybdenum-based alloy carburizing screen. (commonly known as metal screen), and adopts a full-fastened solderless connection process, with high heat dissipation and thermal stability-qualitative, this special material The performance and quality of the metal screen E series power tube surpass the traditional...

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...

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 DG Series 845-DG Hi-end Vacuum Tube Replace Shuguang 845 Matched Pair brand new The first sound of the hook Silk Lin Lai 211-DG/845-DG/805-DG tubeAs we all know, like the bile duct of the same model, the sound of the metal screen is more transparent than that of the graphite screen. With the same structure, the process of installing and fixing the filament with a spring is not as fine and vivid as the process of installing the filament with a hook. This is a fact!Throughout the...

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...

LINLAITUBE DG Series 805A-DG Hi-end Vacuum Tube Electronic valve Matched Pair Brand New The first sound of the hook Silk Lin Lai 211-DG/845-DG/805-DG tubeAs we all know, like the bile duct of the same model, the sound of the metal screen is more transparent than that of the graphite screen. With the same structure, the process of installing and fixing the filament with a spring is not as fine and vivid as the process of installing the filament with a hook. This is a fact!Throughout the current...

WE2A3 LINLAI Vacuum Tube Replace RCA single screen 2A3 1:1 replica of Western Electronics Factory Test And Precision Match the price is for Matched Pair(2pcs) Regarding matching: all our tubes are matched in the factory production workshop. The match is accurate (not all tubes are matched). We have the conditions and advantages to match multiple tubes (four, eight, ten) according to customer needs. The parameters are the same) Buy 2 pieces, 4 pieces, 8 pieces = exact matching (matching...

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 Electronic value Matched Pair 100% brand new & original factory the price is for one matched pair 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...