DHT 50 RCA NOS NIB ST19 shape rare triode made in U.S.A Amplitrex Tested


  • The above price is for 1MP
  • Actual Brand:50 ST-19 Shape RCA Cunningham Radiotron 
  • New in original box
  • Made in U.S.A
  • Foil getter
  • Clear Glass
  • For more Quantity requirement you can email us.

Availability: 1 in stock


50 ST-19 Shape RCA Cunningham Radiotron 
Engraved Base, Foil Getter,
Excellent Condition       
 The above price is for 1Match Pair. (2Pcs)     
 New In Original Box, (unused)           
The Photos listed above are of actual Tubes which you are  buying
Made in United States
Tested Advance Digital Tube Tester Amplitrex AT1000
Sr.No.911001 T1=Ia=56.2ma Gm=2300
Sr.No.909001 T1=Ia=56.0ma Gm=2280
All tubes tested on our Amplitex AT1000 A Advance Tubes Tester to preform the 
test as mentioned and to ensure that the tubes are in factory specs (working) before listing them.
All tubes are checked for Shorts, Emission, Life test, and Leakage. Emissions/life test on this meter
Tube tested: No leaks, No shorts, Good emissions
Tube tested emissions (100) life test (100)
Tube tested strong
Our experienced shipper will package your item(s) with care. 
Through Expedited delivery 
within 5 days by
ARAMEX,with tracking Number.
We also combine multiple purchases. 
Our shipping carriers include , FedEx   
We reserve the right to ship using the carrier 
and shipping method that is most effective for your purchase.
 About us 
We specialized in thoroughly tested
and screened quality vacuum tubes.
We have various type of valves and tubes testers Like
- Amplitrex AT1000 Advance Digital Tube Tester,
- Hickok 752a tube tester,
- AVO Type 160
We have been in the valve and tube Business Since 1970's.
Previously we were better Known as a Wholesaler,
but recently, We are offering more retail items.
All item are tested and guaranteed and supplied
We have Approximately 3,00,000 Valve and Tubes Stock



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