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(!!!) (Best Value Single) CV4003=M8136=12AU7 Mullard UK NOS large "O" getter halo 1962 dirt was over entire tube (10.6/11.0ma)
(!!!) (Best Value Single) CV4003=M8136=12AU7 Mullard UK NOS large "O" getter halo 1962 dirt was over entire tube (10.6/11.0ma)
$ 69.99
1 low noise tube) CV4003=M8136=12AU7 Mullard UK NOS large "O" getter halo 1962 (Wyteleafe plant) dirt was over entire tube - reboxed
1 section) 10.6ma Gm=2300
1 section) 11.0ma Gm=2300
Tested on Amplitrex
Good Ma range 8-10ma
Good Gm range 1800-2200
M8136 on front of tube
CV4003 on backside of tube
great midrange and good bass
Low Noise and not microphonic
Recommended for
- Concert Fidelity CF-080LS Hybrid Line Stage Preamplifier
- Ampeg SVP-PRO Bass Preamp
- Velleman K4000 kit
- Audio Note CD2
- ROTH AUDIO MC4 MUSIC COCOON 2009
- Eastern Electric Minimax
- Hovland
- Schiit Vali 2
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