Log-in
(!!!) (#1 CV4003 Mullard Single 1968) CV4003=M8136=12AU7 Mullard Mitcham plant UK NOS copper grid posts large

(!!!) (#1 CV4003 Mullard Single 1968) CV4003=M8136=12AU7 Mullard Mitcham plant UK NOS copper grid posts large "O" getter halo 1969 faded printing (11.2/11.4ma)

$ 89.99

1 low noise tube) CV4003=M8136=12AU7 Mullard Mitcham plant UK NOS copper grid posts large "O" getter halo 1969 (631 series) (2nd series) faded printing

1 section) 11.2ma Gm=2300

1 section) 11.4ma Gm=2400

Tested on Amplitrex

Good Ma range 8-10ma

Good Gm range 1800-2200


M8136 on front of tubes

CV4003 on backside of tubes

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

 

See more: vacuum tube
Scroll to top