radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

F704

Information - Help 
ID = 15845
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   Power/Output 
Identical to F704
Similar Tubes
Normally replaceable-slightly different:
  25/450 ; CA250 ; E165A ; E165B ; FV250 ; GW402 ; P20 ; P704 ; PH250 ; T730 ; TF04 ; W306_Marathon ; W704
Other base:
  F704_UX4 ; P25/450
Multiple differences or of other kind:
  KI25/5
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct / Specified voltage AC/DC
Description

Va <450V; Pa <25W gm 2.1mA/V.
Designed as a modulator tube.

 
Dimensions (WHD)
incl. pins / tip
58 x 152 x mm / 2.28 x 5.98 x inch
Information source Taschenbuch zum Röhren-Codex 1948/49   

f704.gif
F704: ficha de valvulas
Getulio Jimenez-Gomez

f704_so.png F704: rtt
Anonymous 10 Collector


Just Qvigstad
daten_f704_philips.png
F704: Philips Verstärkerröhren
Gerhard Heigl

Collection of

 
f704_philips.jpg

F704
 

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]
  

Data Compliance More Information