Antique radios, Old Time Radios
UV218
| Base |
Pin-and-blade jumbo (3 contacts)
Top contact with a cap.
|
| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 11 Volts / If 14.75 Ampere / Direct / Specified voltage AC/DC |
| Description |
Work started on development of this tube at the GE laboratories in the spring of 1921 and the type numbr was assigned to it as was its release, the same year. Being a rectifier tube, GE gave ithis tube the brand name Kenotron. I is a t gridless UV-206 transmitting rectifier. The tube was only for renewal use by 1934 and was discontinued by RCA in 1951.
50KV PIV, 750mA average.
Federal, GE, RCA and Westinghouse known sources.
|
Dimensions (WHD)
incl. pins / tip |
127 x 361 x 127 mm / 5.00 x 14.21 x 5.00 inch |
| Weight |
567 g / 20.00 oz |
| Information source |
- - Manufacturers Literature data sheet dated 1934
Tube Lore (II) Page 30 &214
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UV218: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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UV218: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
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Collection of
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