![Highly Rated (!!!!) (recommended Pair) Cv4003=12au7=6189 Mullard Uk Nos 1978 Rebranded "6189 Rtc" 1981 (9.6/9.4ma And 9.8/9.6ma) 1-3% Matched (same Gm) Shop The Look [IKaZ09u2]](https://cdn.shopify.com/s/files/1/0333/7633/files/1_594f3522-c775-4dc4-827b-125b71462dc9.jpg?v=1696778192)
![Highly Rated (!!!!) (recommended Pair) Cv4003=12au7=6189 Mullard Uk Nos 1978 Rebranded "6189 Rtc" 1981 (9.6/9.4ma And 9.8/9.6ma) 1-3% Matched (same Gm) Shop The Look [IKaZ09u2]](https://cdn.shopify.com/s/files/1/0333/7633/files/1_d2640c30-1bfd-4097-a400-42c05bc10721.jpg?v=1696778192)
Highly Rated (!!!!) (recommended Pair) Cv4003=12au7=6189 Mullard Uk Nos 1978 Rebranded "6189 Rtc" 1981 (9.6/9.4ma And 9.8/9.6ma) 1-3% Matched (same Gm) Shop The Look [IKaZ09u2]
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) 9.6/9.4ma Gm=2100/21001 section) 9.8/9.6ma Gm=2100/2100 Tested on AmplitrexGood Ma range 8-1
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Highly Rated (!!!!) (recommended Pair) Cv4003=12au7=6189 Mullard Uk Nos 1978 Rebranded "6189 Rtc" 1981 (9.6/9.4ma And 9.8/9.6ma) 1-3% Matched (same Gm) Shop The Look [IKaZ09u2]
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) 9.6/9.4ma Gm=2100/2100
1 section) 9.8/9.6ma Gm=2100/2100
Tested on Amplitrex
Good Ma range 8-10ma
Good Gm range 1800-2200
great midrange and good bass, sweet presentation
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
What Our Customers Say
Absolutely no complaints!
A very sophisticated and effective tool.
- TheCritic.
Absolutely no complaints!
A truly versatile and handy tool.
- Taylor M..
Absolutely no complaints!
A very well-balanced product overall.
- BalancedReview.
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