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(Philips Lorenz Telefunken Siemens)

Introduction Characteristics


EC92

ECC40
ECC8X
ECC808
ECF80
ECF82
ECL82
ECL86
ECLL800
EF12
EF40
EF804S
EL12
EL36

EL41
EL42
EL86
EL95
EL156
EL500-504
ELL80
F2a - F2a11

Tube Overview

 

 

The EC92 6AB4 Gallery

 
   

Single triode preamp tube. Also found as 6AB4 tube. This type appears in several Europan tube amps and also in some tube microphones as the Neumann Gefell CMV 563.

 

 

  D-Getter Tubes      
  EC 92 EC92 6AB4 tube Rhre Neumann Gefell CMV563

Siemens Code 4A r

Characteristics:

- welded plate

- smaller D-Getter

 

Code 4A D1 - D4 Valvo

Characteristics:

- 1 time stapled plate

- larger D-Getter

 

 

 

Valvo Code 4A D8

Characteristics:

- 2 times stapled plate

- larger D-Getter

 

Valvo Code 4P DF

Characteristics:

- 2 times stapled plate

- larger D-Getter

- one "flag"of getter

   support above mica

- also found with 311 D8J

 

 

  Ring Getter Tubes      
 

Siemens Code 312 xx

Characteristics:

- one hole in plate

- straight, cylindric,

  getter support with

  "bridge" to heater

 

Siemens Code VH0 xx

Characteristics:

- one hole in plate

- straight, cylindric,

  getter support

 

 

 

Siemens Code VH1 xx

Characteristics:

- one hole in plate

- flat getter support

 

Siemens Code VH3 xx

Characteristics:

- two holes in plate

- flat getter support

 

 

 

Siemens Code VH4 xx

Characteristics:

- two holes in plate

- flat getter support

  (slightly different)

 

Telefunken

Characteristics:

- <> between pins

- typical TFK ring getter

  -

 

 

 

 

 

 

 

 

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