{"product_id":"12au7a-rp1","title":"(!!!!) (Best Pair #1) 12AU7A RCA clear top NOS 1963-1964 (8.4\/8.6ma and 8.2\/8.4ma) (Close Gm matching) (Best audio grade 12AU7)","description":"\u003cp\u003e1 low noise tube) 12AU7A RCA clear top NOS 1963-1964\u003c\/p\u003e\n\u003cp\u003e1 tube) 8.4\/8.6ma Gm=2000\/2000\u003c\/p\u003e\n\u003cp\u003e1 tube) 8.2\/8.4ma Gm=1900\/2000\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBest American Made 12AU7\u003c\/li\u003e\n\u003cli\u003eBalanced and smooth, good bass, musical\u003c\/li\u003e\n\u003cli\u003egood printing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTested on Amplitrex AT1000\u003c\/p\u003e\n\u003cp\u003eGood Ma range 8-10ma\u003c\/p\u003e\n\u003cp\u003eGood Gm range 1800-2200\u003c\/p\u003e","brand":"Tube World","offers":[{"title":"Default Title","offer_id":46540724044028,"sku":"12AU7A","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0333\/7633\/files\/7_e06139a6-b366-4ee2-8bee-34114674705a.jpg?v=1781199659","url":"https:\/\/tubeworldexpress.com\/products\/12au7a-rp1","provider":"Tube World Express","version":"1.0","type":"link"}