{"product_id":"cv4003-12au7-6189-mullard-uk-nos-1978-rebranded-6189-rtc-1981-p2a","title":"(!!!!) (Best Overall Pair) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded \"6189 RTC\" 1981 (10.2\/11.2ma and 10.2\/11.2ma) 1% matched (Highest ma and Gm)","description":"\u003cp\u003e1 low noise tube) CV4003=M8136=12AU7=6189 Mullard UK box plates NOS 1978 rebranded \"6189 RTC\" 1981 in white boxes (RTC=Radiotechnique, France)\u003c\/p\u003e\n\u003cp\u003e1 tube) 10.2\/11.2ma Gm=2300\/2400\u003c\/p\u003e\n\u003cp\u003e1 tube) 10.2\/11.2ma Gm=2300\/2400\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTested on Amplitrex\u003c\/p\u003e\n\u003cp\u003eGood Ma range 8-10ma\u003c\/p\u003e\n\u003cp\u003eGood Gm range 1800-2200\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003egreat midrange and good bass \u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eLow Noise and zero microphonics\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e  \u003cbr\u003e\u003c\/p\u003e\n\u003ch1\u003eRecommended for\u003c\/h1\u003e\n\u003cp\u003e- Concert Fidelity CF-080LS Hybrid Line Stage Preamplifier\u003c\/p\u003e\n\u003cp\u003e- Ampeg SVP-PRO Bass Preamp\u003c\/p\u003e\n\u003cp\u003e- Velleman K4000 kit\u003c\/p\u003e\n\u003cp\u003e- Audio Note CD2\u003c\/p\u003e\n\u003cp\u003e- ROTH AUDIO MC4 MUSIC COCOON 2009\u003c\/p\u003e\n\u003cp\u003e- Eastern Electric Minimax\u003c\/p\u003e\n\u003cp\u003e- Hovland\u003c\/p\u003e\n\u003cp\u003e- Schiit Vali 2\u003c\/p\u003e","brand":"Tube World","offers":[{"title":"CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded \"6189 RT\" 1981","offer_id":44398889173244,"sku":"CV4003mull","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0333\/7633\/files\/6189mullp1_0467ad3e-022b-488a-9085-a8bff04efee4.jpg?v=1684907997","url":"https:\/\/tubeworldexpress.com\/products\/cv4003-12au7-6189-mullard-uk-nos-1978-rebranded-6189-rtc-1981-p2a","provider":"Tube World Express","version":"1.0","type":"link"}