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(!!!!) (Single) 5691 RCA branded GE red base black plates NOS 1960's a few vertical scratches on base (2.1ma/2.3ma)
(!!!!) (Single) 5691 RCA branded GE red base black plates NOS 1960's a few vertical scratches on base (2.1ma/2.3ma)
$ 189.99
1 low noise tube) 5691 RCA branded GE red base black plates NOS 1960's a few vertical scratches on base - smeared printing on glass
1 section) 2.1ma Gm=1500
1 section) 2.3ma Gm=1600
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 black plates NOS 1960's a few vertical scratches on base (2.1ma/2.3ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/3_bc23de22-ae98-4c9c-95d1-35fd2dca032a.jpg?v=1776457916){kind=link}
 (Single) 5691 RCA branded GE red base black plates NOS 1960's a few vertical scratches on base (2.1ma/2.3ma) "Pin It")