(!!!!) (BEST PAIR #1) CK-5687WB Raytheon black plates 1960's (Audio Note, Manley, Modwright) (33/34ma and 33/34.2ma) 1-2% matched

1 low noise pair) CK-5687WB Raytheon black plates 1960's 1 tube) 33/33ma Gm=11,900/12,000 1 tube) 33/34.2ma Gm=11,700/11,900   Matched on Amplitrex Good Ma range 30-35ma 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 - Marsh- Ray Samuels Raptor and B52 - Aria VW5XL- Modwright Sony DVP999ES- Audion 845 Black Shadow- Bottlehed Smack