(!) 6189=12AU7A GE NOS 1975 (9.6/10ma) 1-2% section balance
$ 29.99
1 low noise tube) 6189=12AU7A GE NOS 1975 copper grid posts in white box
(warm / smooth / sweet sound, not bright)
9.6ma Gm=2200
10ma 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
See more: vacuum tube