(!!!) (Recommended Single) 5691 RCA red base black plates NOS 1957 (2.0/2.1ma)
$ 174.99
1 low noise tube) 5691 RCA red base black plates NOS (57-09=1957)
1 section) 2.0ma Gm=1500
1 section) 2.1ma Gm=1600
- best sounding 6SL7GT sub
- very smooth sound, low noise
(Good Current Range = 2-3ma)
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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 (Recommended Single) 5691 RCA red base black plates NOS 1957 (2.0/2.1ma) "Pin It")