1 low noise pair) 5687WB GE NOS rebranded CK-5687WB Raytheon black plates with hint of bronze 1970”s
1 tube) 36.8/37.4ma Gm=11,150/11,250
1 tube) 36.6/35.8ma Gm=10,750/10,900
Matched on Amplitrex
Good Ma range 30-35ma
(tubes etched 5687WB)
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


0.0 Average Rating Rated (0 Reviews)