When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Matched Quad Mullard Blackburn 12AU7 Tubes, Gf2 NOS 1963:
$269.00
Matched quad of Amperex branded Mullard 12AU7 ECC82 vacuum tubes from 1963. Made in Great Britain. All show etched codes:
1) B3F1 Gf2
2) B3G1 Gf2
3) B3G1 Gf2
4) B3F2 Gf2
All New Old Stock. All test NOS @115% on my analog tester - see pics. Graphics intact. Pristine tubes.
