Arcturus 122 (UX)DC Amplifier Tetrode1929
This 4 pin tube is the same as the RCA UX222. See the listing under 122 (UY) for the 5 pin Arcturus 122.
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This 4 pin tube is the same as the RCA UX222. See the listing under 122 (UY) for the 5 pin Arcturus 122.
Click the back button on your browser to return to the thumbnails