Home
»
Preamp tubes »
(!!!!!) (Best Pair) 5691 RCA red base black plates NOS 1956-1957 (2.2/2.3ma and 2.1/2.4ma)
(!!!!!) (Best Pair) 5691 RCA red base black plates NOS 1956-1957 (2.2/2.3ma and 2.1/2.4ma)
By Tube World
$ 349.99
1 low noise pair) 5691 RCA red base black plates NOS 1956-1957
1 tube) 2.2/2.3ma Gm=1600/1800 (5-17=1955)
1 tube) 2.1/2.4ma Gm=1600/1700 (57-30=1957)
Good Ma range 2-3ma
Good Gm = 1600
for:
- Ampeg Heritage B-15
- Alessandro Itallian Greyhound jazz amp
- Alessandro Black and Tan 2005
- Almarro A318B
- Eddie Current
See more: vacuum tube