(!!) (BEST VALUE SINGLE) 12AU7A RCA clear top used/good 1960's (8.0/9.4ma)
By Tube World
$ 21.99
1 low noise tube) 12AU7A RCA clear top used/good 1960's
8.0ma Gm=1700
9.4ma Gm=1900
Tested on Amplitrex
Good used Ma range 7-9ma
Good used Gm range 1800-2000
(the best sounding US made 12AU7A, the 5814A RCA is also good from 1959-1970)
(also consider subs 5814A and 6189 RCA)
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See more: vacuum tube
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 (BEST VALUE SINGLE) 12AU7A RCA clear top used/good 1960's (8.0/9.4ma) "Pin It")