Antique radios, Old Time Radios
39
|
Country:
United States of America (USA)
|
|
Brand:
|
|
| Tube type: |
Vacuum Pentode RF/IF-Stage Controlling (mu) |
|
| Identical to |
39
= PH39
= PH239
= ER239
= NU39
= 139
= ER44
= NU-239
= RYB239
= NU-39/44
|
| Similar
Tubes |
Other shape (e.g. bulb type):
C239
Normally replaceable-slightly different:
38039
; 39/44
; 439_Sparton
; 44
Heater different:
NY65
|
| First year |
1931
-- Collector info (Sammler)
|
| First Source
(s) |
Feb.1932 : -- Collector info (Sammler)
|
|
Successor Tubes
|
39/44
|
| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=Hfo)
Top contact with a cap
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC |
| Description |
We thought that the tube 39 arrived in February 1932, but some models indicate 1931. Who knows more?
|
| Tube prices |
1 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
| |
|
| |
39: Internet
Miguel Angel Trujillo-Rodriguez
|
|
|
 |
|
39: scc
Christian Schaufelberger
|
| |
|
39: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe
|
| |
|
39: Mullard - original papers
Detlef Narten
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):273
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