1 low noise tube) JAN-JHS-12AU7 Sylvania “”black plates”” with “”D”” getter used/mis-matched sections 1955 era in white box

copper grid posts

“”D”” getter halo spot-welded to plate post

7.6ma Gm=1700

12ma Gm=2400

• Low Noise and not microphonic

Recommended 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