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608R

Information - Aide 
ID = 38963
       
Pays:
Etats-Unis
Fabricant: Marathon (tubes), Northern Manufacturing Co.; Newark, NJ
Concepteur: Marathon (tubes), Northern Manufacturing Co.; Newark, NJ 
Type:  Triode, vacuum   Power/Output 
Identique à 608R
Première série 1927 Saga of the Vacuum Tube, Tyne p.345

Culot UX-Base (4 Pins (2 thick, USA 1924) 2 connexions latérales.
Utilisé par Radio/TV-reception etc.
Chauffage Vf 5.5 Volt / If 1 Ampère / Indirect / Specified voltage AC/DC
Description

Early AC tubes for conversion of battery radios. The filament was connected to side terminals on the tube base. This tube was used as an amplifier.

Usually sold with a Marathon AC kit, consisting of a cable with the necessary clips to connect the heaters.

 
Dimensions
(l x h x p)
incl.pins/tip
x 119 x 45 mm / x 4.69 x 1.77 inch
Poids 57 g / 2.01 oz
Bibliographie Saga of the Vacuum Tube, Tyne   p.346
-- Collector info (Sammler)   

608_marathon_base~~2.png 608R: own collection
Peter den Boer † 2025


Just Qvigstad

Collection de

 
ac608r_marathon_img_02_rmf.jpg

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