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(!!!!) (Best 5691 Single) 5691 RCA Red Base NOS 1950's rebranded WL-5691 Westinghouse 1960 (2.2/2.3ma) 1-2% section balance

(!!!!) (Best 5691 Single) 5691 RCA Red Base NOS 1950's rebranded WL-5691 Westinghouse 1960 (2.2/2.3ma) 1-2% section balance

$ 133.33

1 low noise tube) 55691 RCA Red Base NOS 1950's rebranded WL-5691 Westinghouse 1960

1 section) 2.2ma Gm=1700

1 section) 2.3ma Gm=1600

 

Good NOS Ma = 2-3ma

Good NOS Gm = 1500-1600 

 

for:

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

 

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