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Z-IIA

Informazioni - Aiuto 
ID = 34867
       
Stato:
Olanda
Produttore: Philips; Eindhoven (tubes international!); Miniwatt
Progettista: Philips; Eindhoven (tubes international!); Miniwatt 
Tipo:  Triodo trasmittente, raffr. ad aria   Power/Output 
  <1925 very rare
Identico a Z-IIA = Z2A_Philips
Valvole simili
Altra base:
  Z-IIB ; Z2B_Philips
Fine produzione 1927
Evoluzioni TA08/10  
Zoccolo Swan-Bajonett B22=22 mm Base on each end.
Utilizzata per Transmittertube (Radio)
Filamento Vf 6 Volt / If 2.7 Ampere / Direct / Battery =
Descrizione

The Z IIA was a 1924 designation and was redesignated Z2A in 1925. Most of the Z types had a matching rectifier which were a look-alike of the Z type. The rectifier for the Z IIA was the ZG IIA which had no grid and grid connection. For further data of the Z IIA, see Z2A. The Z and Zg tubes were replaced in 1927. It is possible that the Philips HEEMAF transmitting tube of May 1920 is a predecessor of the Z-IIA as they are identical in design.

 
Testo in altre lingue (può variare)
Dimensioni
(LxAxP)
incl.pins/tip		 60 x 150 x 60 mm / 2.36 x 5.91 x 2.36 inch
Peso 64 g / 2.26 oz
Bibliografia -- Collector info (Sammler)   
- - Manufacturers Literature   R38H 1-2-1925 & E732 - 15-4-'24

Just Qvigstad 		z2a_spec.png
Z-IIA: Banneitz, TB der drahtl. Teleph. 1927
Anonimo 15 Collezionista
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Collezione di

Alexander Hofer (A)
Fin Stewart (AUS)
Collezione di un iscritto da D
 
ziia.jpg

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