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K52H

Information - Help 
ID = 24245
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Ballast Tube (neither FeH or Urdox)   Power-supply 
Identical to K52H

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Specified current AC/DC ~ = (Series working)
Description

Ballast used in 0,3 A serial heathing 110V AC-DC Sets

Resistors values (data from Belmont 600 Radio) :
- between pin 2 and 3 : 134 ohms (data from Belmont 600 Radio)
- between pin 7 and 8 : 26 ohms for parallel connection of a dial lamp 6.3 V 0.15 A
- between pin 1 and 8 : 26 ohms for parallel connection of a dial lamp 6.3 V 0.15 A

 
Text in other languages (may differ)
Information source Ballast Tube Handbook, The   

k52h_schema_utilisation_belmont_600_s.png
K52H: Belmont 600 radio
Patrice Zeissloff

k_52_h_k52h_brochage_s.png K52H: The ballast tube handbook A.P. Jacobi
Patrice Zeissloff


Just Qvigstad
k52h_the_ballast_tube_handbook.png
K52H: The ballast tube handbook A.P. Jacobi
Patrice Zeissloff

Usage in Models 2= 1937 ; 1= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of

 
k52h.jpg

K52H
 

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