1 Matched Quad ECC83 Mullard Made in Gt .Britain Amplitrex Tested#1667024&21&25&1169001

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Up for Sale 1 Matched Quad(4 pcs.)
The Photos are actual Photos of tubes  you are buying   
 ECC83 NOS Mullard 
Top Halo ''O'' Getter 
Made in Gt.Britian
New in Generic White Box
Very strong matched pair excellent condition
Tested on Amplitrex AT1000 Advance Digital Tube Tester
Sr. No.1667024.  T1=Ia=1.2ma Gm=1600
                      T2=Ia=1.4ma Gm=1700
Sr. No.1667021.  T1=Ia=1.3ma Gm=1600
                      T2=Ia=1.5ma Gm=1700
Sr. No.1169001.   T1=Ia=1.2ma Gm=1600
                       T2=Ia=1.2ma Gm=1700
Sr. No.1667025.   T1=Ia=1.2ma Gm=1600
                       T2=Ia=1.4ma Gm=1700