Brand new Sylvania magic eye tuning indicator from the golden age of American radio - tested excellent on TV-7 with brilliant green target glow and perfect shadow angle pattern. Never used. Price per tube - 5 available.
The 6U5 and 6G5 are electrically identical magic eye tuning indicators from the original 1930s American tuning eye family. Introduced in April 1937, these tubes display a distinctive shadow angle pattern on a fluorescent green target that closes as the radio tunes accurately to a station. The 6G5 uses a variable-mu triode to handle larger voltage swings, while the 6U5 uses a plain triode - both deliver the same iconic green glow and shadow angle display that defined the golden age of radio.
Used in thousands of American console and table radios from 1937 through the 1950s, these tubes remain highly sought after by restorers seeking that authentic period magic eye display. These Sylvania examples have been tested on a TV-7 military tester and show perfect target illumination and shadow angle response.
Tested on TV-7 military tube tester - all 5 tubes tested excellent with brilliant green target glow and perfect shadow angle pattern. Test images included in the gallery show the characteristic green fluorescent display and shadow angle response.
6U5 = 6G5 = CV504
Similar, normally replaceable: 6H5, 6T5, EM35 (6-pin), 6E5
Octal version: 6U5G
Military designation: VT-98
Brand new Sylvania magic eye with that brilliant green glow - tested excellent and ready to bring your vintage radio restoration to life.
SKU: 747