(!!!!) (Best Pair) 7199 Sylvania branded LINDAL NOS 1979 closely matched
(!!!!) (BEST RCA PAIR) 7199 RCA black plates NOS 1960's, 1 tube branded Tungsol, same build
(!!!) (Best RCA Single) 7199 RCA black plates NOS 1960's (14.2ma pentode /13.6ma triode)
(!!!) (Recommended RCA Single) 7199 RCA black plates NOS 1960's (10.6ma pentode / 6ma triode)
(!!!) 7199 RCA Black Plates NOS around 1960 (9ma pentode, 13ma triode)
(!!) (Recommended RCA) 7199 RCA black plates rebranded Westingouse NOS 1970's (13ma pentode, 7ma triode)
(!!) (~ Best Sylvania Single ~) 7199 Sylvania NOS 1960 (11.5ma pentode, 8ma triode)
(!) (2nd Best Sylvania Single) 7199 Sylvania NOS 1960's (14.2ma pentode, 5.6ma triode)
(!) (Best Value) 7199 Sylvania NOS 1960's (9.2ma pentode / 8.6ma triode)
7199 RCA Black Plates used/good 1970 (12ma pentode, 5.2ma triode)
7199 RCA Black Plates used/good 1970 (18ma pentode, 5.2ma triode)
