UX-226, RCA, GLOBE ENVELOPE, TRIODE , 26, CX326, C326,  226,  F109A_UX4,  G-26, 426, X-226, UX-226_Japan,  M26, ER226, 126_Arcturus,  AC226,  SX226,  57T226,  326_Triode,  526,  MX226UX-226
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UX-226, RCA, GLOBE ENVELOPE, TRIODE , 26, CX326, C326,  226,  F109A_UX4,  G-26, 426, X-226, UX-226_Japan,  M26, ER226, 126_Arcturus,  AC226,  SX226,  57T226,  326_Triode,  526,  MX226UX-226 UX-226, RCA, GLOBE ENVELOPE, TRIODE , 26, CX326, C326,  226,  F109A_UX4,  G-26, 426, X-226, UX-226_Japan,  M26, ER226, 126_Arcturus,  AC226,  SX226,  57T226,  326_Triode,  526,  MX226UX-226

UX-226, RCA, GLOBE ENVELOPE, TRIODE , 26, CX326, C326, 226, F109A_UX4, G-26, 426, X-226, UX-226_Japan, M26, ER226, 126_Arcturus, AC226, SX226, 57T226, 326_Triode, 526, MX226UX-226

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UX-226, RCA, GLOBE ENVELOPE, TRIODE , 26, CX326, C326,  226,  F109A_UX4,  G-26, 426, X-226, UX-226_Japan,  M26, ER226, 126_Arcturus,  AC226,  SX226,  57T226,  326_Triode,  526,  MX226UX-226

In September 1926 RCA asked their manufacturing companies to work on an AC valve. Two months later Westinghouse submitted samples of the tube designated UX226. The samples were structurally as per the UX201A with oxide-coated filaments  rated for1.05A @ 1.5 V to provide an Ia of 100 mA.

The UX226 was first used in both the radio- and audio-frequency amplifier stages of the Radiola 17 and may be considered and early incarnation of the type 26 with which it is interchangeable.

Electrical Data
Filament Voltage ...................... 1.5 V
Filament Current ..................... 1.05 A

Preferred Substitutes ..................... 26


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