(!!!) 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