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...

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...

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-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...

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...