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-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...

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 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...

Dreamy Titanium Screen Series (Lin Laizhiyin Dreamy Series Bile Duct—The Dreamy Tube) Lin Laizhiyin’s Dream series bile duct adopts the process of spraying titanium on the surface of the screen. Titanium has high efficiency in inhalation under vacuum. The surface of the screen can effectively absorb the undesirable gas generated in the tube under high-temperature working conditions, improve the vacuum, and make The sound is more transparent and quiet. The size and shape of the glass...

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...

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...