The EL34 is a thermionic vacuum tube of the power pentode type. The EL34 was introduced in 1955 by Mullard, which was owned by Philips. [1]

EL34 tubes have been used in guitar tube amplifiers and hifi tube amplifiers for decades. Other EL34 tube equivalent part numbers or substitutes are KT77 and 6CA7. Matched pairs, quads, and octets are available... More Details.

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Tube EL 34 or Röhre EL34 ID1900, Vacuum Pentode, Octal (Int.Octal, IO) K8A, USA 1935 and Power/Output shown. Radio tubes are valves.

The EL34 is a much loved audio power valve with an anode dissipation of 25 Watts. The EL34 was the 1952 successor to the very successful EL37 and both share a high value of mutual conductance 11.0 mA/V.

TubeDepot carries a selection of EL34 / 6CA7 Power Vacuum Tubes. New & NOS power tubes from Mullard, Tung-Sol, Electro-Harmonix, Genalex, Telefunken & more!

2016年1月1日 · Tim Smith from Wall Of Sound gives his perspective and provides a full review of 7 different EL34 / KT77 vacuum tubes for the purposes of home audio.

EL34 gives you smooth upper mids with complex harmonics and subtle sparkles for lead work in guitar amps. For rhythm work, EL34 produces a pleasant crunchy brown tone. EL34 sounds a bit more scooped and doesn't have the kick and sizzle of 6L6 or 6550. Instead, EL34 accentuates the upper mids that break up smoothly when pushed.

In this Killer Rig guide, we’ll go over the best EL34 tubes on the market today. We’ll also explore what it is that makes this tube so special. And how you can use them to get the best tone out of your amplifier. In a hurry? Here are the top 3 – EL34 tubes you can buy today: JJ EL34L – Affordable Choice; Tungsol EL34B – Performance Choice

From the manufacturer: "The Tungsol EL34-B is a higher impedance EL34 tube design with increased touch responsiveness and a unique clipping characteristic with a hint of the 6L6 sound." The Tung-Sol name and trademark have been acquired by the New Sensor Corporation.