(!!!!!) (Best Pair #1) E182CC=7119 Philips SQ Holland NOS large "O" getter halo 1973 same date codes (34/35.4ma and 34.2/35ma) 1-2% matched1 low noise pair) E182CC=7119 Philips SQ Holland NOS large "O" getter halo 1973 same date codes 1 tube) 34. 2 35ma Gm=15,300 15,300 1 tube) 34. 0 35. 4ma Gm=15,600 15,800 Matched on Amplitrex AT1000 Good Ma range=30 40ma 7119 is best sub for a 5687 and visa versa Modwright preamp Audio Note DAC 4 Audio Note Jinro amp Audio Note L3 Audio Note M3 preamp Manley Ray Samuels Raptor and B52 Aria VW5XL Modwright Sony DVP999ES Audion 845 Black Shadow