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6L6 / 5881 Tubes
RCA released the first 6L6 vacuum tube in 1936. Nearly 80 years later it remains the most used power output tube. It dominates the electric guitar tube amp world...More Details
Fender has been using them since the 1940s and since then there have been many others who have designed hugely popular tube amplifiers that rely on the 6L6 tube types for their tone. Unlike the EL34 power tube, 6L6 tubes generally sound a little cleaner and tend to have a bit more beef in the low end as well as more bite on the top. Some players prefer the extra clarity and punch of the 6L6 tube types.