1 slightly microphonic tube as-is) 12AT7WA=CV455 Mullard NOS “”curved D getter halo”” copper grid posts 1959 (tk1-R9E) perfect printing
8ma Gm=4600
9ma Gm=4750
microphonics is low, only noticeable when you tap on tube
$12.00 $39.99
1 slightly microphonic tube as-is) 12AT7WA=CV455 Mullard NOS “”curved D getter halo”” copper grid posts 1959 (tk1-R9E) perfect printing
8ma Gm=4600
9ma Gm=4750
microphonics is low, only noticeable when you tap on tube
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