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A415

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ID = 2452
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Universal 
Identical to A415 = SD15 = 1-415 = PR63
Similar Tubes
Normally replaceable-slightly different:
  084 ; 3U ; 410LF ; 415A ; 4B1_Ultron ; 4B2_Ultron ; 4D ; AK415 ; D15 ; D163 ; D_Castilla ; G415_Longlife ; H4_Sator ; HX406 ; L308_Marathon ; M144 ; OX154 ; R76 ; RE084 ; RO4215 ; Selector ; T1020 ; TM-DT2 ; V1508
Other class quality (otherwise equal):
  410_Voltron
Other characteristic (electr. data):
  A414
Heater different:
  4F06 ; 4H07
Other base:
  A415_UX
First year 1925 Saga of the Vacuum Tube, Tyne page 421
Successor Tubes 3U  

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Description

Datierung beachten! Laut Tyne etwa 1925.

 
Tube prices 3 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   p.421
- - Manufacturers Literature   
L'ABCDaire des lampes de TSF des jeunes années
Taschenbuch zum Röhren-Codex 1948/49

a_415.png
A415: Radiobote 3/2006
Egon Strampe

1_7.png A415: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
daten_a415_philips.png
A415: g.h.
Gerhard Heigl

More ...
Usage in Models 1= 1925? ; 1= 1925 ; 1= 1926? ; 9= 1926 ; 3= 1927?? ; 9= 1927? ; 36= 1927 ; 6= 1928?? ; 51= 1928? ; 51= 1928 ; 8= 1929?? ; 10= 1929? ; 42= 1929 ; 11= 1930?? ; 7= 1930? ; 43= 1930 ; 2= 1931? ; 11= 1931 ; 1= 1932? ; 8= 1932 ; 1= 1933? ; 1= 1933 ; 1= 1934?? ; 1= 1941??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):315

Collection of

 
a415_philips~~1.jpg

A415
 

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