12SN7GT Sylvania Philco chrome top black plates NOS 1956
8.2ma Gm=2500
8.4ma Gm=2600
– Mapletree
– McAlister Audio MA-10
– Tom Tutay preamp
$5.40 $17.99
12SN7GT Sylvania Philco chrome top black plates NOS 1956
8.2ma Gm=2500
8.4ma Gm=2600
– Mapletree
– McAlister Audio MA-10
– Tom Tutay preamp
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