1 low noise tube) 12AU7A RCA clear top NOS 1960”s
10.2ma Gm=2200
11.6ma Gm=2500
Tested on Amplitrex AT1000
Good Ma range 8-10ma
Good Gm range 1800-2200
$21.00 $69.99
1 low noise tube) 12AU7A RCA clear top NOS 1960”s
10.2ma Gm=2200
11.6ma Gm=2500
Tested on Amplitrex AT1000
Good Ma range 8-10ma
Good Gm range 1800-2200
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