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(!!) (#1 7247 GE Single) 7247 GE rebranded RCA 1960's

(!!) (#1 7247 GE Single) 7247 GE rebranded RCA 1960's

$ 29.99

1 tube) 7247 GE rebranded RCA in RCA boxes 1960's

12AX7 Section = 1.4ma Gm=2000

12AU7 Section = 12.6ma Gm=2400

strong single

Tested on Amplitrex

12AX7 Section Good = 1-1.2ma Gm=1600-1800

12AU7 Section Good = 8-10ma Gm=1800-2200

 

 

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