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6DJ8 ECC88 6922 AMPEREX 4 MATCHED QUAD TUBES 1960s HOLLAND GRAY-PLATE GUARANTEE

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  • combo2
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$440.00
  • Brand: Amperex
  • Product Code: ECC88
  • Availability: In Stock
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Specification

6DJ8 ECC88 6922 AMPEREX 4 MATCHED QUAD TUBES 1960s HOLLAND GRAY-PLATE GUARANTEE

6DJ8 ECC88 6922 AMPEREX 4 MATCHED QUAD TUBES 1960s HOLLAND GRAY-PLATE GUARANTEE

Perfect Matched Quad, top conditions

I assure you that they are excellent tubes.
 
Tube test values is perfect
Tested on Amlitrex AT-1000 tube tester
 
%100 = IP: 15  GM: 12.5
 
tube 1
section 1 IP: 15.8 ma / GM: 13.1
section 2 IP:  15.5 ma / GM: 12.9
 
tube 2
section 1 IP: 15. ma / GM: 13.0
section 2 IP:  14.9 ma / GM: 12.7
 
tube 3
section 1 IP: 15.0 ma / GM: 13.0
section 2 IP:  15.0 ma / GM: 13.0
 
tube 4
section 1 IP: 14.9 ma / GM: 13.0
section 2 IP:  14.8 ma / GM: 12.9
 

 

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