radiomuseum.org

AV25

Informazioni - Aiuto 
ID = 78479
       
Stato:
Australia
Produttore: Amalgamated Wireless Valve Co. Ltd. (AWV); Sydney, NSW
Progettista: Amalgamated Wireless Valve Co. Ltd. (AWV); Sydney, NSW 
Tipo:  Triodo a vuoto   Testo 
Identico a AV25

Zoccolo Jumbo 4-pin bayonet (1918)
Utilizzata per Technology / Measurement
Filamento Vf 6 Volt / If 1.6 Ampere / Direct / Specified voltage AC/DC
Descrizione

This tube is a demonstration triode intended for educational use. The filament consists of four parallel oxide coated wires. These are located parallel to the plate. The widely spaced grid is placed between the filament and plate in the normal manner. The plate itself is coated with a phosphor which fluoresces green under electron bombardment. The higher the plate voltage (300v max), the greater the fluorescence. A unit was developed to use the tube and its companion AV43 Demonstration Cathode Ray Tube and these units were widely used in physics laboratories in schools and universities. See full "Radiotronics" October 1956 and January 1959 below.

This tube was designed by Vivian Anthony from AWV and details on the tube specifications were never published in ordinary tube data books.

 
Dimensioni
(LxAxP)
incl.pins/tip
x 194 x 54 mm / x 7.64 x 2.13 inch
Bibliografia - - Manufacturers Literature   
-- Collector info (Sammler)   

av25_ac_circuit_radiotronics_1056_p_128.png
AV25: Fin Stewart
Fin Stewart
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jumbo_4_pin_transmitting_base.png AV25: Fin Stewart
Fin Stewart


Just Qvigstad
av25_dc_circuit_radiotronics_1059_p_128.png
AV25: Fin Stewart
Fin Stewart

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Utilizzo nei modelli 1= 1959

Numero totale di modelli di Radiomuseum.org che utilizzano questa valvola:1
 
awv_av25_triode_1_tpm.jpg

AV25
 

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