The 2A3 Electro Harmonix Gold Matched Pair are THE premium 2A3 valve. This is the premium version of the 2A3 EH with gold grid wire for increased bias stability as well as top of the line sonics and performance.The 2A3 was introduced to the market in 1921 , so it must be good as it is in production today !
Ultra-long life, high-quality construction and superior sonics with improved performance make it a top choice over 300B types made by other manufacturers. Like the original RCA 2A3 , it has the eight course, directly heated filament, 40 Watt plate dissipation, classic large-shoulder tube glass, and is available singly or in precision matched pairs. The 2A3 EH’s plate curves and static DC characteristics (plate resistance, transconductance, mu) also exactly match the original’s for superior performance in any vintage or modern 2A3 amplifier.
This superior pair are accurately factory matched . The factory matches them for mutual conductance and anode current and the vales are written on each valve box.
These are made with real care and is the perfect choice for replacing tor upgrading your quality hifi amp
There is a 120 day warranty on all our valves. We stock a wide range of valves for Hi-Fi and jukebox applications