12DT8 Sylvania black plates NOS 1970”s
12.4ma Gm=6600
13.6ma Gm=6700
(similar to 12AT7)
– Don Allen
– Zenith L727 radio 1959
$5.40 $17.99
12DT8 Sylvania black plates NOS 1970”s
12.4ma Gm=6600
13.6ma Gm=6700
(similar to 12AT7)
– Don Allen
– Zenith L727 radio 1959
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