• GU74b Tube Testing

Your tube get dirty and you think it overheated?



They may even look  fine, but you don't get the output you want or need.


Full test of your GU74b tubes.

We can also test and match tubes for you.



HI Pot testing



RF Testing Amplifier


Full documented test report with the return of your tube or tubes.




GU74b Tube Testing

  • Brand: ACOM
  • Product Code: GU74b
  • Availability: In Stock
  • $35.00


Related Products

GU 74b tetrode 4CX800/GU74b tube. NOS (New Old Stock)

GU 74b tetrode 4CX800/GU74b tube. NOS (New Old Stock)

We sell NOS (New Old Stock) GU-74b or 4CX800 tubes. Pair of matched tubes available. click he..

$500.00

GU 74b Matched pair of 4CX800 or GU74b tetrode tubes. NOS (New Old Stock)

GU 74b Matched pair of 4CX800 or GU74b tetrode tubes. NOS (New Old Stock)

Matched pair of NOS (New Old Stock) GU-74b or 4CX800 tubes. Single tubes available  - click ..

$1,000.00

Tags: GU74b, ACOM, tubes, tube testing, testing, test