407A LM Ericsson Sweden like new 1960's (41/26 and 42/26)
$21.99
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1 tube) 407A LM Ericsson Sweden like new 1960's in white box 41/26 42/26 (407A=396A with a 20V filament) (407B=premium grade 407A with higher Gm and higher plate current specs, 20V Filament)
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