(!!!) (Best Single) 12AU7A RCA clear top NOS 1973 (10.8/11ma) (same Gm)
$ 64.99
1 low noise tube) 12AU7A RCA clear top NOS 1973 (EJ)
10.8ma Gm=2300
11.0ma Gm=2300
Tested on Amplitrex
Good NOS Ma range 8-10ma
Good NOS Gm range 1800-2200
(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 Single) 12AU7A RCA clear top NOS 1973 (10.8/11ma) (same Gm) "Pin It")