(!!) (Good Value) 12AT7 Telefunken Germany <> bottom used/good 1960's no printing (7.6ma/7.6ma) 1-2% section balance1 low noise tube) 12AT7 Telefunken Germany <> bottom used good 1960's no printing 1 section) 7. 6ma Gm=4800 1 section) 7. 6ma Gm=4900 Good used mA range 7 9ma Good used Gm range 4000 5500 BEST FOR: Earmax Silver Edition APEX 460 WAVAC 805 SE amp Kora integrated amp TUBE MICS CJ PV10A VTL Manley audio gear Manley Reference Cardioid mic Atma Spere Preamplifier MP 1 Mk. III Lector CDP0. 6T Berning Audio Experience Balanced A2 Art Pro VLA II Monarchy SE250