(!!!) (Recommended Single) 5691 RCA Red Base branded Westinghouse black plates used/good 1960 (1.8/2.1ma) Title: 5691 RCA Red Base

1 low noise tube) 5691 RCA Red Base branded Westinghouse black plates used/good 1960 in white box

1 section) 1.8ma Gm=1500

1 section) 2.1ma Gm=1500

Good used Ma = 1.5 – 2.0ma

Good used Gm = 1400-1500

for:

– Ampeg Heritage B-15
– Alessandro Itallian Greyhound jazz amp
– Alessandro Black and Tan 2005
– Almarro A318B
– Eddie Current