(!!!) 12DW7=7247 CBS ribbed plates NOS 1960 (0.9ma/11.4ma)
$ 44.99
1 low noise tube) 12DW7=7247 CBS gray ribbed plates NOS 1960
12AX7 Section = 0.9ma Gm=1500
12AU7 Section = 11.4ma Gm=2400
Tested on Amplitrex
12AX7 Section Good = 1ma+ Gm=1600
12AU7 Section Good = 8-10ma Gm=1800-2200
See more: vacuum tube
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 12DW7=7247 CBS ribbed plates NOS 1960 (0.9ma/11.4ma) "Pin It")
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