2 Sylvania US NAVY C.H.S. 5U4G rectifier tubes

 

Made in the U.S.A. WWII vintage production.

Excellent, NOS-testing tubes!

No gas. No shorts.

Hanging filaments.

Clean glass & pins. Bottom, tab-getters.
Tight bases w/ no cracks. Excellent gettering.
No loose chunks inside. Both keyways intact.

Tested on a calibrated TV-7D and

at real operating voltages on an Amplitrex AT1000.

 

>>Tubes operated 15 min ea. before tests to ensure stability.<<

 

TV-7D test results:

Tube #1: 53/56.

Tube #2: 55/52.

 

Minimum good on TV-7D: 40. NOS: 50+.

 

AT1000 test results:

Tube 1- Forward drop: 29/25v. Reverse drop: 412/412v.

Tube 2- Forward drop: 30/27v. Reverse drop: 411/412v.

 

Min good 5U4 forward voltage drop @100mA: ~45v per section.

 

In conclusion-

 

Both test as NOS tubes w/ balanced sections.

An excellent addition to anyone's collection.

Money back guarantee you will not be disappointed.

 

 

All items are 100% guaranteed to arrive as represented for 30 days upon arrival. 

We offer a full refund if you are not satisfied.

 

We've been selling vintage electronics since 1999 with

perfect ebay feedback and many happy, satisfied customers.

 

All items professionally packed to arrive safely with no extra handling costs.

Our mission is to offer quality-tested tubes to make you happy with your purchase. 

 

Terms & Conditions:

 

Payment must be received within 3 days of sale date.

Items described to the best of my ability.

If you have questions, please contact me BEFORE purchasing.

 

Thank you!