The EL34 audio tube is perhaps the most popular output audio tube of all time. EL34 vacuum tubes use in guitar tube amplifiers and hi-fi tube audio amplifiers has been prominent for decades

Marshall tube amps are the most well-known EL34 tube guitar amplifiers but there are many others who arrived on the scene in later years. In the tube audio world, it was companies like Dynaco, Leak, and Mullard among others who help boost the EL34 tube’s popularity.

Other common substitutes for EL34 vacuum tubes are 6CA7 and KT77 tubes. Although not identical, they are close enough to be considered direct substitutes in almost any instance. The EL34, 6CA7, and KT77 also have similar pinouts.

Many of the EL34, 6CA7, and KT77 tubes listed here also have customer tube reviews. We also indicate top sellers for the EL34 tube type.