1 low noise tube) JAN-6189=12AU7WA Sylvania NOS 1960 era in white box
8.6ma Gm=2000
10ma Gm=2300
– Best 12AU7 sub for the money
– smooth, detailed and quiet
$7.50 $24.99
1 low noise tube) JAN-6189=12AU7WA Sylvania NOS 1960 era in white box
8.6ma Gm=2000
10ma Gm=2300
– Best 12AU7 sub for the money
– smooth, detailed and quiet
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