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(!!!!) (Recommended Pair) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (10.4/11.4ma and 10.0/11.0ma)
(!!!!) (Recommended Pair) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (10.4/11.4ma and 10.0/11.0ma)
$ 199.99
1 very low noise pair) CV4003=M8136=12AU7=6189 Mullard UK box plates NOS 1978 rebranded "6189 RTC" 1981 in white boxes (RTC=Radiotechnique, France)
1 section) 10.4/11.4ma Gm=2200/2300
1 section) 10.0/11.0ma Gm=2200/2400
Tested on Amplitrex
Good Ma range 8-10ma
Good Gm range 1800-2200
great midrange and good bass
Low Noise and zero microphonics
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
See more: vacuum tube
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 (Recommended Pair) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (10.4/11.4ma and 10.0/11.0ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_38a2f003-7f43-4f82-87c3-4df679e4f64a.jpg?v=1697514545){kind=link}
 (Recommended Pair) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (10.4/11.4ma and 10.0/11.0ma) "Pin It")