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(!!!!) (Best Single 1960's) 5691 RCA Red Base branded GE Black Plates NOS 1960's rebranded in 1970's (2.4/2.6ma)
(!!!!) (Best Single 1960's) 5691 RCA Red Base branded GE Black Plates NOS 1960's rebranded in 1970's (2.4/2.6ma)
$ 179.99
1 low noise tube) 5691 RCA Red Base branded GE Black Plates NOS 1960's rebranded in 1970's faded printing - 3 small nicks on base
1 section) 2.4ma Gm=1600
1 section) 2.6ma Gm=1700
smooth sound, low noise
Good current range = 2-3ma
Good Gm = 1500-1600
recommended for:
- Ampeg Heritage B-15
- Alessandro Itallian Greyhound jazz amp
- Alessandro Black and Tan 2005
- Almarro A318B
- Eddie Current
See more: vacuum tube
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 (Best Single 1960's) 5691 RCA Red Base branded GE Black Plates NOS 1960's rebranded in 1970's (2.4/2.6ma) "Pin It")