(!!!) 12AU7A GE “”U”” getter like new 1959 (10.8/10.2ma)

1 low noise tube) 12AU7A GE “”U”” getter like new 1959 copper grid posts (warm / smooth / sweet sound)

1 section) 10.8ma Gm=2250

1 section) 10.2ma Gm=2200

Tested on Amplitrex

– Unison Research

– Head-Direct EF1 preamp

– Allen & Heath VF-1 compressor

– Ray Samuels

– Eastern Electric DAC

– Lexicon Signature 284

– Bravo