Salut Frédéric
Aurais-tu une bonne adresse pour les ecc88 code ∆ ?
J'ai trouvé Ceux-là mais occasion
https://ebay.us/m/TlzCJ3
Pair ECC88, Philips, 6DJ8,
plant: Heerlen, in the very south of Holland, 1963
tubes coded: GA7 ∆3A1 triangle sign,
big ring getter, testing 90 -100 %
see pics for test results: 19 / 14 and 15 / 14 mA
tested on AVO MKII tester , at Va =90 v, Vg= -1,2 V,
and Ia = 15 mA means new
ecc88 1963 pair ∆3A1
Aurais-tu une bonne adresse pour les ecc88 code ∆ ?
J'ai trouvé Ceux-là mais occasion
https://ebay.us/m/TlzCJ3
Pair ECC88, Philips, 6DJ8,
plant: Heerlen, in the very south of Holland, 1963
tubes coded: GA7 ∆3A1 triangle sign,
big ring getter, testing 90 -100 %
see pics for test results: 19 / 14 and 15 / 14 mA
tested on AVO MKII tester , at Va =90 v, Vg= -1,2 V,
and Ia = 15 mA means new
ecc88 1963 pair ∆3A1
JM