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Telefunken - Siemens

(Lorenz and other German brands)

Introduction

Characteristics

ECC81

ECC82
ECC83
E88CC

EF86

EL34

EL84

EZ80/81

GZ34

Other Tubes

Go to Philips EF86

The EF86 Gallery     EF806S 6CF8  6BK8 

  The EF86 is pretty similar to the EF804 or EF804S, but has a different pinout. All Telefunken EF86 types have the <> between the pins.

  I have never seen EF86 tubes from Siemens production. Siemens labelled a lot of Valvo/Philips and Telefunken with their logo.

 

 

Telefunken EF86

Identified by:

- ring getter with wings below

- grey smooth plate

- welded (soldered) plate

Comment:    (code U ec 00)

Rarest Telefunken EF86 type.

 

Telefunken EF86

Identified by:

- ring getter - silver plate

- <> between the pins

Comment:

Most common version, but still quite rare. Very stable, high qual.

   

 

       
 

Telefunken EF86

Identified by:

- ring getter

- folded plate junction

- grey smooth plate

Comment:

Very rare.

 

Telefunken EF86

Identified by:

- ring getter

- grey ribbed plate

Comment:

Quite rare. Obviously similar to the EF806S labelled tubes.

   

 

       
 

Telefunken EF806S

Identified by:

- ring getter - grey smooth plate

- "round" glass top

Comment:

Very rare. Also found as (click) EF86 with BWB Bundeswehr sign.

 

Siemens & Halske by Valvo

Identified by:

- ring gettter

- F code (Suresnes, France)

Comment:

Quite rare.

   

 

       
 

 

 

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