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Tung-Sol 5U4GB Vintage 1960s Rectifier Tube NOS Tested / Guaranteed

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MPN:
5U4GB
Condition:
New
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  • Vintage NOS Tung-Sol 5U4GB rectifier tube with 322DDT3 base marking. Premium USA-made full-wave rectifier ideal for Collins 516F-2 low voltage B+ section. Black plate construction, excellent for vintage ham radio restoration, Collins S-Line, and tube audio equipment.
  • Vintage NOS Tung-Sol 5U4GB rectifier tube with 322DDT3 base marking. Premium USA-made full-wave rectifier ideal for Collins 516F-2 low voltage B+ section. Black plate construction, excellent for vintage ham radio restoration, Collins S-Line, and tube audio equipment.
$19.99
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Description

Tung-Sol 5U4GB Vintage 1960s Rectifier Tube NOS Tested / Guaranteed

 This Tube and all others I sell, have been tested on a B&K Dyna-Quik Model 700 Dynamic Mutual Conductance Tube Tester and tests at or close to a NOS full Emission /Tube.

This tube was in the original box, however it was falling apart so it is in a new protective box but it is an NOS tube from the 1960s (not a modern import from China with the Tung-Sole name.

 
Pristine New Old Stock Tung-Sol 5U4GB full-wave rectifier tube. Features the factory 322DDT3 marking on the base (Tung-Sol code, early/mid-1960s production) and strong vintage cosmetics.These are highly regarded, period-correct replacements for the low-voltage B+ section in the Collins 516F-2 power supply. Tung-Sol tubes are prized by Collins enthusiasts and purists for their rugged black-plate construction, reliability, and authentic performance with natural sag.Highlights:
  • True USA-made NOS – preferred over modern reproductions for longevity and sound in vintage gear.
  • Direct drop-in compatibility with Collins 516F-2 and other ham radio/tube amplifiers.
  • Ideal for restoring or maintaining original Collins S-Line equipment.
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