MULLARD HEATHKIT BADGED 12AU7 ECC82 MATCHED PAIR BHARAT BANGALORE Gf8 CODED WITH SAME FACTORY CODE FROM 1973
On offer we have a beautiful matched pair of white print Heathkit labelled but Mullard Bharat Bangalore manufactured
ECC82. These carry the same etched codes of Gf8 V31 which indicate a 1973 manufacture date.. Both devices present with superb matching both within the envelope and inter device.
These devices have tested on our AVO VCM163 valve tester as having nominal specification emission with very close matching for each triode section within the envelope.
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CV493, BRITISH TUNGSRAM, MIL SPEC, 6X4, WHITE PRINT, FACTORY CODE Yy1 J6D, 1956 MANUFACTURE
CV493, BRITISH TUNGSRAM, MIL SPEC, 6X4, WHITE PRINT, AUG 1952 MANUFACTURE