{"product_id":"best-value-single-12au7a-rca-branded-conn-clear-top-used-good-1960s-8-4-8-2ma","title":"(!!) (BEST VALUE SINGLE) 12AU7A RCA branded CONN clear top used\/good 1960's (8.4\/8.2ma)","description":"\u003cp\u003e1 low noise tube) 12AU7A RCA branded CONN clear top used\/good 1960's\u003c\/p\u003e\n\u003cp\u003e8.4ma Gm=1800\u003c\/p\u003e\n\u003cp\u003e8.2ma Gm=1900\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTested on Amplitrex\u003c\/p\u003e\n\u003cp\u003eGood used Ma range 7-9ma\u003c\/p\u003e\n\u003cp\u003eGood used Gm range 1800-2000\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e(the best sounding US made 12AU7A, the 5814A RCA is also good from 1959-1970)\u003cbr\u003e(also consider subs 5814A and 6189 RCA)\u003cbr\u003e\u003cbr\u003e- Cayin MT-35 Integrated amp\u003cbr\u003e- Rogue Audio Cronus\u003cbr\u003e- Rogue audio Perseus + Rogue audio stereo 90, \u003cbr\u003e- Sun Audio 1000\u003cbr\u003e- CJ PV10\u003cbr\u003e- VTL 7.5 Series II\u003cbr\u003e- Ampeg\u003cbr\u003e- Aguilar DB750 driver tube\u003cbr\u003e- Odyssey Kandela preamp\u003cbr\u003e- David Berning ZOTL Pre One Audio Preamplifier\u003c\/p\u003e\n\u003cdiv id=\"gtx-trans\" style=\"position: absolute; left: -40px; top: 114.375px;\"\u003e\n\u003cdiv class=\"gtx-trans-icon\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Tube World","offers":[{"title":"Default Title","offer_id":50959338897660,"sku":"12au7a_ct","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0333\/7633\/files\/6_44576b80-b7b4-46dd-93f5-a65c7f2e7151.jpg?v=1786339481","url":"https:\/\/tubeworldexpress.com\/products\/best-value-single-12au7a-rca-branded-conn-clear-top-used-good-1960s-8-4-8-2ma","provider":"Tube World Express","version":"1.0","type":"link"}