1 low noise single tube) JAN-12AT7WC Philips by Sylvania NOS 1981
7.5ma Gm=4700
7.8ma Gm=5000
Tested on Amplitrex
Good mA range 7-10ma
Good Gm range 4500-5500
$6.60 $21.99
1 low noise single tube) JAN-12AT7WC Philips by Sylvania NOS 1981
7.5ma Gm=4700
7.8ma Gm=5000
Tested on Amplitrex
Good mA range 7-10ma
Good Gm range 4500-5500
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