12SA7GT Sylvania used/tests like new 1957 (3.3ma Gm=1100)

Category: SKU: TOY390375

$1.80 $5.99

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12SA7GT Sylvania used/tests like new 1957

3.3ma

Gm=1100

Gm NOS = 1000-1200

Good Ma used 2.5-3.1ma

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