(!!) (Best Single) 7247=12DW7 GE NOS 1960's (1.1/13.8ma)
$ 49.99
7247=12DW7 GE NOS 1960's very good printing
12AX7 Section = 1.1ma Gm=1700
12AU7 Section = 13.8ma Gm=2500
Tested on Amplitrex
12AX7 Section Good = 1-1.2ma Gm=1600-1800
12AU7 Section Good = 8-10ma Gm=1800-2200
See more: vacuum tube
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 (Best Single) 7247=12DW7 GE NOS 1960's (1.1/13.8ma) "Pin It")