ONE OF THE FEW 12AU7 THAT IS MUSICAL, DYNAMIC, CLEAR, CLEAN AND FOCUSED! IN VARIOUS NOS BOXES. PROFESSIONAL MATCHING TO WITHIN 6%. Best of the lot -RFTs – linear, clean. Good transparency and detail.
ECC82 RFT Matched Quad Tubes
Strong RCA Mexico 12AU7A Long Grey Plates Halo Getter Serious Tubes A634
Type: 12AU7A. Getter: Top Halo. The tubes need to get to you in one piece. Plate(s): Long(17mm) Grey Ladder. But this the way of the world now. We are always looking to buy more tubes. Large collections, small collections, it doesn’t matter.
Sweet TRIO LOT (3) Lot 1955 RCA Long Black Plates Angled “D” Getter 12AU7 ECC82
You are buying a trio (3) lot of the well regarded 1955 RCA long black plates. top angled “D” getters. 12AU7 preamp tubes. These tubes were born in 1955 in the USA. No shorts and are ready to use for your next audio project(s).
1950s RCA USA 12AU7A ECC82 7030 LONG-PLATE SINGLE-TUBE HOLY-GRAIL “D-GETTER” NOS
12AU7A = ECC82 = 7030. RCA USA 12AU7A. 12AU7A FACTORY SPECIFICATION is 10,5mA/10,5mA for 100% mA. REAL 1950s RCA LONG -PLATE 12AU7A. Since The Einstein Preamplifier uses only one 1 x 12AU7, it’s important to have a mirror-matched triode tube, low-noise balanced & matched like this 12AU7A.
Amperex Heerlen ECC82/12AU7A Tube Disc Getter ∆0H4 Tested B&K 707, 606
Nice Amperex 12AU7A disc getter tube made in Holland at the Heerlen Factory. Code reads ∆0H4. Tests @ 80/82 on B&K 707 Mutual Conductance and matched @ 88/88 for emissions on B&K Dyna Jet 606. See photos for test results.