(!!!) (slightly microphonic) 12AU7A Westinghouse black plates "D" getter halo 1964 NOS (9.6/10.6ma) (similar to RCA black plates)

slightly microphonic low noise tube) 12AU7A Westinghouse black plates "D" getter halo 1964 NOS in white box

9.6ma Gm=2000

10.6ma Gm=2200

Good Ma = 8-10ma

Good Gm range 1800-2200

Matched on Amplitrex

best for:

- Cayin MT-35 Integrated amp
- Rogue Audio Cronus
- Rogue audio Perseus + Rogue audio stereo 90,
- Sun Audio 1000
- CJ PV10
- VTL 7.5 Series II
- Ampeg
- Aguilar DB750 driver tube
- Odyssey Kandela preamp
- David Berning ZOTL Pre One Audio Preamplifier