(!) (Best Single) 407A Western Electric NOS 1962 (44/26 and 49/26)
$44.99
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407A Western Electric NOS "D" getter 1962 44/26 49/26 (407A=396A with a 20V filament)(407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
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