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]

Jan 12, 2012 · The EL34 data sheet shows that a pentode connection with lower plate voltage than a triode connection produces more power ( 3w more if I remember ). Most amps I have …

Jul 31, 2021 · After much study of datasheets and after reviewing the work of others in this genre, it’s clear that EL34s are somewhat difficult to use in pentode mode. The problem revolves …

Nov 24, 2005 · Some of the differences between EL34 PP in pentode-mode and triode-mode: - Pentode-mode is more efficient than triode, giving greater voltage gain and higher power …

SvetlanaTM EL34 is a glass envelope power pentode having a plate dissipation rating The of 25 Watts with convection cooling. It is intended for audio frequency power amplification service in …

Dec 26, 2018 · Pentode mode lines are closer to horizontal, indicating a high internal resistance. Triode mode lines are steeper, indicating a much lower internal resistance. Under some …

With a gold-plated molybdenum alloy grid and carbon-coated screen grid, the Svetlana EL34 is the finest power tube of its type being manufactured today. All ratings of the Svetlana EL34 …

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

Mar 18, 2004 · Has anyone tried the EL34 as a pentode in Class A, using Mullard's recommended operating point? My reason for asking is that I already have power and OP transformers that I …

Nov 17, 2016 · EL34 is a glass envelope power pentode having a plate dissipation rating of 25 Watts with convection cooling. It is intended for audio frequency power amplification service in …