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7247 ITT by Hitachi JAPAN NOS 1964

7247 ITT by Hitachi JAPAN NOS 1964

$ 25.99

12DW7=7247 ITT by Hitachi JAPAN NOS 1964

12AX7 Section = 1.1ma Gm=1600

12AU7 Section = 9.2ma Gm=2100

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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