radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

LK4250

Information - Help 
ID = 1381
       
Country:
Germany
Brand: Valvo Radioröhrenfabrik GmbH; Hamburg
Tube type:  Triode, vacuum   Power/Output 
Identical to LK4250
Similar Tubes
Other class quality (otherwise equal):
  4641

Base SPECIAL TUBEBASE in general (Codex=Byy)
Filament Vf 4 Volts / If 2.5 Ampere / Direct / Parallel, (AC/DC)
Description

Lautsprecher-Kraftröhre von Valvo. Entspricht der Philips 4641.

 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
roehre_lk4250_bild_1.jpg
LK4250: Eigenes Bild
Anonymous 971 Collector

 
lk4250_sock.png
LK4250: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
lk4250_tech.png
LK4250: Valvo Röhrendatenblatt
Martin Steyer


Usage in Models 1= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


Forum contributions about this tube
LK4250
Threads: 1 | Posts: 1
Hits: 1462     Replies: 0
LK4250 (LK4250)
Ralf Keil
25.Mar.14
  1

Die Röhre hat keinen UX4-Sockel, es ist ein Spezialsockel den ich nur noch von der Philips 4641 kenne. Er hat einen grossen Elektrodenabstand der zur besseren Isolation bei hohen Temperaturen dienen sollte.

 

R.Keil

 
LK4250
End of forum contributions about this tube

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
rmXorg