(!!) 12AU7A RCA clear top used/good 1960's (7.4/8.6ma)
$19.99
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1 low noise tube) 12AU7A RCA clear top used/good 1960's copper grid posts 7.4ma Gm=1600 8.6ma Gm=1800 Tested on Amplitrex Good used Ma range 7-9ma Good used Gm range 1600-1800 - the best sounding US made 12AU7A - the 5814A RCA is also good from 1959-1975 - also consider subs 5814A and 6189 RCA - 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
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