7247 GE NOS 1984 (1.9ma and 8.2ma)
$ 42.99
1 tube) 7247 GE NOS 1984 (CD)
12AX7 Section = 1.9ma Gm=2000
12AU7 Section = 8.2ma Gm=1850
Tested on Amplitrex
12AX7 Section Good = 1-1.2ma Gm=1600
12AU7 Section Good = 8-10ma Gm=1800-2200
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