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Classic Currents

(1) Tested RCA Radiotron UX-120 Tube Type 20 Tube Engraved Base UX120 Tube (b)

(1) Tested RCA Radiotron UX-120 Tube Type 20 Tube Engraved Base UX120 Tube (b)

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$58.95 USD
$58.95 USD
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(1) Tested 1920s RCA Radiotron UX120 (Type 20) Tube.

Engraved base with brass pins.
The original audio stage label is still intact with little to no wear.

This tube tests close to NOS.

Tested on a calibrated Hickok TV-10 military tube tester and exhibiting no shorts or leaks with the following results:

Gm Test = 425 micromhos
Minimum pass/good = 330
NOS rating = 495

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