(!!!!) (Best Value Single) 12AX7 Telefunken Germany <> bottom smooth plates branded GAP/R Computor tube like new 1964 (Gm=1700/2000 and 1.1/1.5ma)

1 low noise tube) 12AX7 Telefunken Germany &lt;&gt; bottom smooth plates branded GAP/R Computor tube like new 1964 era in white box - good printing 1 section) 1.1ma Gm=1700 1 section) 1.5ma Gm=2000   Good NOS Ma = 1.0+ Good NOS Gm = 1500-1600+    recommended for: Se Electronics Z5600a II Tube Condenser micVeloce Audio Line Stage and Phono AmpNagra PL-L preampVTL 7.5 preampMFA preampOrange ampsConrad Johnson Premier 15 phono preampPilot SP-210 preampJadis preampAesthetix Rhea, Io, CalypsoGeorge Wright phonoTHD Plexi-50MXL V69 Mogami Edition Tubetech CL1BAudio Thrills phonoAKG micBellari VP130 phono