| Showcase | Quick details |
WITH SQUARE GETTER | 3 Bids | $61.00 | 6d 13h 7m |
| 2 s.matched 1969-75 Mullard/Amperex 12AX7-A ECC83 tubes | ![]() | $100.95 | 23d 22h 32m |
| Matched Pair - 1966-68 Amperex / Hp 12AX7 ECC83 tubes | ![]() | $66.95 | 5d 5h 34m |
Brand New Production, Classic Mullard Long Plate12AX7 | ![]() | $43.00 | 12h 21m |
Brand New Production, Classic Mullard Long Plate12AX7 | ![]() | $43.00 | 20d 12h 28m |
0 Bids ![]() | $49.99 $99.99 | 6d 6h 12m |
| 1958 Amperex Bugle Boy 12AX7 ECC83 Foil D amp tube | 3 Bids | $22.50 | 3d 8h 53m |
| Matched Pair of NOS RCA 12AX7A 12AX7 ECC83 tubes USA | 4 Bids | $21.50 | 2d 7h 21m |
| FISHER ECC83/12AX7 Holland Amperex/Mullard | 2 Bids | $2.25 | 2d 11h 48m |
| 2matched 1969-75 Mullard/Amperex | ![]() | $105.95 | 5d 5h 33m |
Both Have Identical Factory Codes | 4 Bids | $11.77 | 5d 8h 29m |
| Pair Amperex Bugle Boy 12AX7 ECC83 Tubes D Getters | 4 Bids | $60.00 | 1d 10h 53m |
| 2 Bids | $10.50 | 6d 6h 50m |
| 2 Bids | $10.50 | 6d 4h 49m |
| 2 strong matched 1966 Mullard/GE/? 12AX7-A ECC83 tubes | ![]() | $106.95 | 5d 5h 35m |
Brand New Production, Classic Mullard Long Plate12AX7 | ![]() | $21.50 | 2d 8h 36m |
Brand New Production, Classic Mullard Long Plate12AX7 | ![]() | $21.50 | 3d 12h 56m |
Brand New Production, Classic Mullard Long Plate12AX7 | ![]() | $21.50 | 9d 6h 8m |
| NOS Electrohome 12AX7 ECC83 Amperex tube balancd strong | 1 Bid | $16.99 | 10h 45m |
| NOS AMPEREX 12AX7 ECC83 tube HOLLAND 1961 BUGLE BOY | 2 Bids | $11.61 | 2d 7h 50m |
| Nice pair of Amperex 12AX7/ECC83's | 2 Bids | $16.51 | 9h 45m |
| Matched 12AX7A ECC83 Amperex Made in Germany NOS Tubes | 0 Bids ![]() | $59.99 $64.99 | 8h 20m |
Rare Harman Kardon New Matched SET Halo 1963 MINT! | 0 Bids | $115.00 | 9h 28m |
| AMPEREX Bugle Boy 12AX7 / ECC83 Tube PAIR - 1964 - Good | 0 Bids | $75.00 | 1d 13h 22m |
| NOS RFT 12AX7 ECC83 tube Germany made Amperex quality | 1 Bid | $10.00 | 2d 8h 57m |
| 2Pcs. NOS Mullard CV4004 ( M8137 / ECC83 / 12AX7 ) | ![]() | $229.00 | 24d 15h 44m |
| NOS AMPEREX/NATIONA | 0 Bids | $9.99 | 1d 23h 49m |
Ultra Rare Considered the Master of All 12AX7s MINT! | 0 Bids ![]() | $350.00 $480.00 | Free shipping | 9h 28m |
| NOS MULLARD 12AX7A 12AX7 ECC83 tube GtBritain code B7E2 | 3 Bids | $21.50 | 2d 6h 52m |
| 2Pcs. NOS Mullard CV4004 ( M8137 / ECC83 / 12AX7 ) | ![]() | $209.00 | 5d 15h 36m |
| 2 NOS/NIB Matched Tubes CV4004 BRIMAR (ECC83/12AX7) | 0 Bids ![]() | $120.00 $175.00 | 3d 3h 49m |
rare Torvac label I61 construction w/ copper posts | ![]() | $99.00 | 5d 19h 23m |
| 5 x 6N2P-EV MATCHED TUBES ECC83 12AX7 NOS | ![]() | $59.99 | 11d 21h 41m |
Test Excellent on my Calibrated Triplett 3444 1958 | 4 Bids | $32.39 | Free shipping | 2d 11h 0m |
| Mt Pair Amperex Bugle Boy 12AX7 ECC83 Audio Tubes | 0 Bids | $49.99 | 1d 13h 36m |
| NEW Pair Mullard 12AX7 re-issueTubes ecc83 | ![]() | $42.99 | 3d 6h 7m |
| Nice pair of Mullard Heath 12AX7/ECC83's | 4 Bids | $42.00 | 9h 57m |
| 2 NOS/NIB Matched Tubes CV4004 BRIMAR (ECC83/12AX7) | 0 Bids ![]() | $120.00 $175.00 | 3d 4h 6m |
WITH SQUARE GETTER | 3 Bids | $61.00 | 6d 13h 7m |
| 0 Bids | $49.99 | 6d 11h 8m |
| MATCHED PAIR ECC83 12AX7 VALVO 45°GETTER mC1 | 2 Bids | $10.50 | 5d 23h 11m |
| Mullard ECC83 matched pair audiotubes tested new | ![]() | $135.00 | 4d 11h 23m |
| Mullard Philip ECC83 matched pair audiotubes tested new | ![]() | $115.00 | 4d 11h 33m |
| ECC83 12AX7 RFT + TELEFUNKEN TUBES MATCHED PAIR | ![]() | $71.71 | 10d 2h 58m |
| ECC83 12AX7 RFT + TUNGSRAM TUBES MATCHED PAIR TESTED* | ![]() | $77.77 | 7d 1h 7m |
| Tungsram ECC83 12AX7 matched pair tubes valves 1970s | 4 Bids | $12.51 | 1d 6h 38m |
| Tungsram ECC83 12AX7 matched pair tubes valves 1970s | 3 Bids | $4.25 | 1d 6h 40m |
| ECC83 12AX7 RFT + TUNGSRAM TUBES MATCHED PAIR TESTED* | 0 Bids | $49.99 | 4d 2h 42m |
| Matched pair Telefunken ECC83 low-noise tubes 12AX7 | 0 Bids | $120.00 | 2d 1h 49m |
| matched pair ECC83 from Brimar england 12AX7 | 0 Bids ![]() | $49.00 $55.00 | 3d 17h 51m |
| Mullard 12AX7 Cryo Treated Matched Pair | ![]() | $54.99 | 12d 12h 33m |
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