• Acom amplifier tetrode 4CX800/GU74b tube for Acom 2000A, Acom 1000, Acom 1010. NOS (New Old Stock)
We sell NOS (New Old Stock) GU-74b or 4CX800 tubes used in the Acom 2000A, Acom 1000, Acom 1010.
Single tubes available for $350 each - please call.
Also matched pairs for the Acom 2000A click here to see matched pairs - please call
 
We test thoroughly all our tubes before shipping them and pick matched pairs after testing the tube structure and its RF performance in our RF Lab.
 
 

Test Bench


Our RF lab's test bench consists of a Hi Pot tester, the M-100DC and a modified Acom 1011.
 



The modified Acom 1011 and the HI Pot tester M-100DC with the tetrode connections module on top.
 

View of the Hi Pot tester M-100DC and the tetrode connections module. This instrument can generate up to 5000 V to test the tube for shorts and other parameters.
 
 

The Report

 
Sample of a real test report for a GU-74b tetrode.
 
 

Acom amplifier tetrode 4CX800/GU74b tube for Acom 2000A, Acom 1000, Acom 1010. NOS (New Old Stock)

  • Brand: ACOM
  • Product Code: GU-74B
  • Availability: In Stock
  • $350.00


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