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Information - Help 
ID = 28365
Tube type:  Double Beam Power Tube   Power/Output 
Identical to ELL80E
Similar Tubes
Normally replaceable-slightly different:

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / Indirect / Specified voltage AC/DC
Description Keine einzelne Röhre. Adapter zur Aufnahme von 2 Röhren EL95 als Ersatz für eine Röhre ELL80. 
Tube prices 6 Tube prices (visible for members only)

ell80_1.png ELL80E: Telefunken Röhrenhandbuch
Wolfgang Bauer

Just Qvigstad
ELL80E: Bauer Wolfgang
Wolfgang Bauer

Collection of



Forum contributions about this tube
Threads: 3 | Posts: 7
Hits: 756     Replies: 2
Using Two EL90’s for an ELL80E
Omer Suleimanagich

I understand that technically an ELL80 tube is essentially two EL95 tubes feeding in to nine pins

Could two EL90 tubes substitute the EL95 tubes?

Jacob Roschy


the EL90 is equivalent to the 6AQ5.

The operating plate current for the EL90 is 45 mA, while the operating plate current for the EL95 is 24 mA, i.e. the EL90 is almost twice as strong as the EL95. It may be less recommendable to downgrade the EL90 from 45 mA to 24 mA.

A much better substitute for the EL95 is the 6BM5. It can easily be matched to the operating plate current for the EL95 by varying the cathode bias resistor, probably by 270 ohms.

However the heater current should be regarded. The 6BM5 has 0.45 A, while heater current of the EL95 is only 0.2 A.
Two 6BM5s will take 0.9 A, while the ELL80 takes 0.55 A, which causes an additional load for the transformer.

Although the type 6BM5 appears to be American, the 6BM5 was actually only used in France.

Best Regards,

Omer Suleimanagich

Thank you for your response 

The reason for my post is , to look for alternatives that are available out there that can get a radio working again, that will not end up costing more than what the radio is worth

With the availability of LED AC 6.3 volt dial bulbs that use less current , can compensate the extra current used by the  6BM5 (hypothetically even EL90's) can be successfully used without concern to damage to the mains (power) transformer

On a different note, apart from changing the output transformer, is there a viable way to "tweek" the adapter for the ELL80 to work (using two EL90) that can give good sound and not damage the output transformer ?


Hits: 2393     Replies: 0
Hans-Werner Ellerbrock

Thomas Niebl zeigt auf seiner homepage unter der Rubrik Reparaturhelfer im unteren Ende der Seite einen brauchbaren Verdrahtungsplan für einen ELL80-Adapter.


Hits: 2514     Replies: 2
ELL80E Hoges-Platine
Jörg Holtzapfel

Hier wurde nach einem Platinenplan für einen ELL80E-Adapter gefragt.

Die Platine von Hoges ist beschriftet mit LPT 30/96 und hat die Maße: 43 x 23,5 x ca 1,5 mm.

Anbei einige Bilder:



Otmar Jung

Vielen Dank für die schönen Bilder, Herr Holtzapfel, laden Sie diese doch bitte direkt zur Röhre hoch.

Jörg Holtzapfel

Hallo Herr Jung,

mach ich!


Von Herrn Roland Biesler habe ich inzwischen ein Link zu einem Platinen-Plan bekommen - kann leider mit meinem Haupt-PC derzeit keine emails empfangen und einfach Herrn Bieslers email hier direkt reinkopieren. Von meinem Tablet abgetippt (Auszug email Biester):

Der Plan ist bei " ww* " zu finden

Ich weiß, daß RMorg solche links nicht gerne sieht, habs in diesem Fall trotzdem gemacht.

Vielen Dank an Herrn Jung u. Herrn Biesler

End of forum contributions about this tube

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