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Vector T-789 Tube Socket Test Adapter Set, Brand New in the original Case

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MPN:
T 789
Condition:
New
Shipping:
$9.00 (Fixed Shipping Cost)
  • NOS Vector T-789 Tube Socket Test Adapter Set. New Old Stock complete set with 7-pin miniature (T7M), 8-pin octal (T8O), 9-pin noval (T9N) adapters plus probe. Essential tool for testing voltages and currents in vintage tube radios, amplifiers, and tube testers
  • NOS Vector T-789 Tube Socket Test Adapter Set. New Old Stock complete set with 7-pin miniature (T7M), 8-pin octal (T8O), 9-pin noval (T9N) adapters plus probe. Essential tool for testing voltages and currents in vintage tube radios, amplifiers, and tube testers
  • NOS Vector T-789 Tube Socket Test Adapter Set. New Old Stock complete set with 7-pin miniature (T7M), 8-pin octal (T8O), 9-pin noval (T9N) adapters plus probe. Essential tool for testing voltages and currents in vintage tube radios, amplifiers, and tube testers
  • NOS Vector T-789 Tube Socket Test Adapter Set. New Old Stock complete set with 7-pin miniature (T7M), 8-pin octal (T8O), 9-pin noval (T9N) adapters plus probe. Essential tool for testing voltages and currents in vintage tube radios, amplifiers, and tube testers
$59.99
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Description

Vector T-789 Tube Socket Test Adapter Set, Brand New in the original Case with test probe

Vector T-789 (or T-789-C) Tube Socket Test Adapter Set is a classic set of vacuum tube test adapters made by Vector Electronics.Key Information & Data
  • Contents: Typically includes three main adapters plus a probe:
    • T7M — 7-pin miniature (noval/pentode style)
    • T8O / T80 — 8-pin octal
    • T9N — 9-pin noval / miniature
    • Often includes a P-1 test probe for easy voltage/current measurements on tube pins from the top of the socket.
  • Function: These adapters plug into existing tube sockets in equipment or testers, allowing you to measure voltages, currents, and signals at each tube pin without removing the tube. Extremely useful for troubleshooting tube gear.
  • Condition: New / NOS (New Old Stock) in the original packaging — this adds significant value.
Gear Used WithThese were popular with:
  • Tube testers (e.g., TV-7, Hickok, Sencore, etc.)
  • Vintage amateur radio equipment (Hallicrafters, EF Johnson Viking, Collins, Drake, Heathkit, etc.)
  • Professional audio gear, guitar amplifiers, and any vacuum tube-based electronics from the 1950s–1970s.

 

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