(!!!!) (Best Pair #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1964-1967 1-2% matched (10.4/1.6ma and 10.2/10.4ma) (same Gm) (best sound)1 low noise pair) ECC802S=12AU7 Telefunken Germany <> bottom original boxes 1 2% matched, very good printing 1 tube) 10. 4 10. 6ma Gm=2200 2200 (U9014203G) (4=year=1964) 1 tube) 10. 2 10. 4ma Gm=2200 2200 (U3107303I) (7=year=1967) One of the best ECC802S pairs in stock in 30 years Good Ma range 8 10ma Good Gm range 1800 2200 Recommended for: Wavac prt1 preamp (pr t1) Audio Note M1 preamp Octave (Germany) VTL TL 7. 5 MKII preamp VTL 6. 5, Audio Note M8