(!!!) (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