ZWEI 12AX7 ECC83 VAKUUMRÖHREN AMPEREX UND MULLARD (BJR7014)
103,89 €
The Amperex has the Heerlen Holland factory mark and a 1959 date code. The Mullard has the Blackburn UK factory mark and is dated 1962. The BugleBoy tests at 63-59 and the Mullard tests at 65-63, on our Triplett emissions tester where 54 is minimum good.
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