(!!!!) (Single) 5691 RCA branded GE red base gray plates NOS 1960's (2.1ma/2.4ma)
$ 179.99
1 low noise tube) 5691 RCA branded GE red base gray plates NOS 1960's
1 section) 2.1ma Gm=1700
1 section) 2.4ma Gm=1800
best 6SL7GT sub
very smooth sound
low noise
good midrange detail
NOS Ma Range = 2-3ma
NOS 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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 (Single) 5691 RCA branded GE red base gray plates NOS 1960's (2.1ma/2.4ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/3_2fa0b0a7-f680-4f70-9de6-d3fb65bbcee7.jpg?v=1776457754){kind=link}
 (Single) 5691 RCA branded GE red base gray plates NOS 1960's (2.1ma/2.4ma) "Pin It")