(!!!) (Recommended Pair) 5691 RCA red base gray plates 1968-1974 (2.2/2.4ma and 2.1/2.3ma)
$ 359.99
1 low noise pair) 5691 RCA red base gray plates 1968 and 1974 same build
1 tube) 2.2/2.4ma Gm=1500/1600 rebranded Westinghouse 1968
1 tube) 2.1/2.3ma Gm=1600/1700 branded RCA 1974
Good Ma 2-3ma
for:
- Ampeg Heritage B-15
- Alessandro Itallian Greyhound jazz amp
- Alessandro Black and Tan 2005
- Almarro A318B
- Eddie Current
See more: vacuum tube
Share:
 (Recommended Pair) 5691 RCA red base gray plates 1968-1974 (2.2/2.4ma and 2.1/2.3ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_3fe2f470-b093-4ed1-ae69-9e484ea63daf.jpg?v=1666240711){kind=link}
 (Recommended Pair) 5691 RCA red base gray plates 1968-1974 (2.2/2.4ma and 2.1/2.3ma) "Pin It")