WG-457AV4

14pin socket tracking structure custom-engineered by VIZ/RCA to adapt vintage large-neck color and monochrome television picture tubes down to standard instrument diagnostics interfaces. | Multi-Pin Molded Bakelite CRT Socket Adapter Assembly | Vintage television repair workshops, commercial cathode-ray tube (CRT) rebuild bays, institutional laboratory calibration stations. | WG-457AV4 | None | None | VIZ WG-457AV4, RCA WG-457AV4, CRT Test Adapter No. 4, WG457AV4 | Retro TV Tube Restoration Bridge: Connected directly between an antique CRT picture tube base and a vintage B&K or Sencore tube rejuvenator test deck to safely analyze, balance, and clear short circuits across internal electron gun grids without breaking glass seals. | VIZ / RCA Test Equipment Division Maintenance Tools: This specialized television diagnostic test adapter was custom-manufactured by VIZ Manufacturing (continuing the legacy RCA test equipment line) to act as a standardized physical interface for troubleshooting specific commercial television and studio monitor display tubes.