(!!!!) (Best Single) 5691 RCA Red Base branded GE Black Plates NOS 1957 (2.4/2.6ma)
$ 148.99
1 low noise tube) 5691 RCA Red Base branded GE Black Plates NOS 1957
1 section) 2.4ma Gm=1650
1 section) 2.6ma Gm=1750
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) 5691 RCA Red Base branded GE Black Plates NOS 1957 (2.4/2.6ma) "Pin It")