{"product_id":"mullard-12au7-ecc82-matched-pair-philips-adzam-labels-blackburn-1964-gf2","title":"Mullard 12AU7 ECC82 Matched Pair - Philips\/Adzam Labels - Blackburn 1964 Gf2","description":"\u003cdiv\u003e\u003cb\u003e\u003cspan style=\"color: #2a633a; font-family: Arial; font-size: large;\"\u003eTube Summary\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eNo other tubes can deliver vocals like the Blackburn Mullard's, and that's a fact. These ECC82 tubes, especially the early 1960s ones, are extremely hard to find today and are becoming every serious audiophile's darling. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eSound Characteristics\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eThe overall tonality of Mullard ECC82 tubes is warm and lively with a very spacious sound stage. \"Like a warm British jacket of the finest tweed, these glorious tubes have an attractive sweet warmth in their midrange and lower regions.\"  This is how the experts on audiotubes.com describe the sound signature of British-made Mullard tubes. The top end is silky and pleasant and doesn't get rolled off. They retain a fine sense of \"air\" at the top, and the upper midrange is smooth and liquid. These tubes reproduce the human voice, especially female voices, with haunting realism. The British made Mullard tubes are also known to have an attractive sparkle at the top with rich bass...now we know where that \"warm British jacket\" comes from!\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eProfessional Sound Evaluation\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eThe pair worked wonderfully and sounded terrific in our professional studio setup for monitoring. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e - Input: Cambridge Audio CXC V2 dedicated CD transport + Schiit Audio Bifrost 2 Multibit DAC\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e - \u003cb\u003eAmplification: Woo Audio \u003c\/b\u003e\u003cb\u003eWA7 Fireflies (3rd gen) Balanced Headphone Amplifier\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e - Output: Focal Clear MG Pro open-back headphones\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eOur full tube sound review was written 100% based on the actual listening experience while this pair of tubes were running in the system described above.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eProfessional testing \u0026amp; sound evaluation\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eNO shorts, leakage or gas. NO noise or microphonics.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eBoth tubes tested \u003cb\u003eNear NOS \u003c\/b\u003e(90%+ nominal mutual conductance) and tightly matched on a reliable recently calibrated Mercury 2000 tube tester with the following results (mutual conductance both in \u003cspan style=\"color: #393731;\"\u003euMhos and in percentage of nominal\u003c\/span\u003e\u003cspan style=\"color: #444444;\"\u003e):\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eTube 1: \u003c\/span\u003e\u003cb style=\"font-family: Arial; font-size: large;\"\u003e2,800\/3,150 (93%\/105%)\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eTube 2: \u003cb\u003e2,800\/3,080 (93%\/103%)\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eGood tubes start at \u003cb\u003e2000\u003c\/b\u003e and new tubes (incl. NOS\/NIB) \u003cb\u003e3,000 - 3,100\u003c\/b\u003e, and the Mercury 2000's rated mutual conductance (nominal) for new tubes is \u003cb\u003e3,000\u003c\/b\u003e. Test result can also be seen in the pictures. In case you wonder what all these numbers mean to your sound experience, it's actually quite straightforward: mutual conductance directly translates to \u003cb\u003e\u003cspan style=\"color: #9e2048;\"\u003ea \u003c\/span\u003e\u003cspan style=\"color: #9e2048;\"\u003etube's ability to amplify sound\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"font-weight: bold; color: #2a633a;\"\u003e,\u003c\/span\u003e so the higher these numbers the stronger. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #2a633a; font-family: Arial; font-size: large;\"\u003e\u003cb\u003eAppearance \u0026amp; cosmetic condition\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eOne with \u003c\/span\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003ethe ultra rare yellow print Mullard shield logo and the other\u003c\/span\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e with the Philips Miniwatt label, both tubes are in excellent cosmetic condition. Nearly 100% of the paint and lettering are well retained. The Blackburn date codes etched on glass are also perfectly visible on both  tubes: \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003eGf2 B4B3 \u003c\/b\u003e(Gf2 =\u003cspan\u003e \u003c!--StartFragment--\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003eECC82 production gen #2, B= Blackburn, \u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; float: none; display: inline !important;\"\u003e\u003cb\u003e4 = 1964\u003c\/b\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;\"\u003e, B = February, 3 = Week 3 of production month)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003eGf2 B4H2 \u003c\/b\u003e(Gf2 =\u003cspan\u003e \u003cspan style=\"color: #000000; font-family: Arial; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; background-color: #ffffff; float: none; display: inline !important;\"\u003eECC82 production gen #2, B= Blackburn, \u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; background-color: #ffffff; float: none; display: inline !important;\"\u003e\u003cb\u003e4 = 1964\u003c\/b\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: large; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; background-color: #ffffff; float: none; display: inline !important;\"\u003e, H = August, 2 = Week 2 of production month)\u003c\/span\u003e\u003c!--EndFragment--\u003e \u003c\/span\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003ePackaging\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial; font-size: large;\"\u003eThis pair of tubes will be packaged in new white boxes.\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003clink href=\"file:\/\/\/C:\/Users\/jupit\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_filelist.xml\" rel=\"File-List\"\u003e\u003clink href=\"file:\/\/\/C:\/Users\/jupit\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_themedata.thmx\" rel=\"themeData\"\u003e\u003clink href=\"file:\/\/\/C:\/Users\/jupit\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_colorschememapping.xml\" rel=\"colorSchemeMapping\"\u003e\n\u003cstyle\u003e\n\u003c!--\n \/* Font Definitions *\/\n @font-face\n\t{font-family:\"Cambria Math\";\n\tpanose-1:2 4 5 3 5 4 6 3 2 4;\n\tmso-font-charset:0;\n\tmso-generic-font-family:roman;\n\tmso-font-pitch:variable;\n\tmso-font-signature:-536869121 1107305727 33554432 0 415 0;}\n@font-face\n\t{font-family:Aptos;\n\tmso-font-charset:0;\n\tmso-generic-font-family:swiss;\n\tmso-font-pitch:variable;\n\tmso-font-signature:536871559 3 0 0 415 0;}\n \/* Style Definitions *\/\n p.MsoNormal, li.MsoNormal, div.MsoNormal\n\t{mso-style-unhide:no;\n\tmso-style-qformat:yes;\n\tmso-style-parent:\"\";\n\tmargin:0in;\n\tmso-pagination:widow-orphan;\n\tfont-size:11.0pt;\n\tfont-family:\"Aptos\",sans-serif;\n\tmso-ascii-font-family:Aptos;\n\tmso-ascii-theme-font:minor-latin;\n\tmso-fareast-font-family:Aptos;\n\tmso-fareast-theme-font:minor-latin;\n\tmso-hansi-font-family:Aptos;\n\tmso-hansi-theme-font:minor-latin;\n\tmso-bidi-font-family:\"Times New Roman\";\n\tmso-bidi-theme-font:minor-bidi;\n\tmso-font-kerning:1.0pt;\n\tmso-ligatures:standardcontextual;}\n.MsoChpDefault\n\t{mso-style-type:export-only;\n\tmso-default-props:yes;\n\tfont-size:11.0pt;\n\tmso-ansi-font-size:11.0pt;\n\tmso-bidi-font-size:11.0pt;\n\tmso-ascii-font-family:Aptos;\n\tmso-ascii-theme-font:minor-latin;\n\tmso-fareast-font-family:Aptos;\n\tmso-fareast-theme-font:minor-latin;\n\tmso-hansi-font-family:Aptos;\n\tmso-hansi-theme-font:minor-latin;\n\tmso-bidi-font-family:\"Times New Roman\";\n\tmso-bidi-theme-font:minor-bidi;}\n@page WordSection1\n\t{size:8.5in 11.0in;\n\tmargin:1.0in 1.0in 1.0in 1.0in;\n\tmso-header-margin:.5in;\n\tmso-footer-margin:.5in;\n\tmso-paper-source:0;}\ndiv.WordSection1\n\t{page:WordSection1;}\n--\u003e\n\u003c\/style\u003e","brand":"Mullard","offers":[{"title":"Default Title","offer_id":48197368643904,"sku":"266753169213","price":323.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2388\/5888\/files\/57_8528d771-54c0-4336-af2c-63ca5c64aa9b.jpg?v=1712263593","url":"https:\/\/www.soundlumia.com\/fr\/products\/mullard-12au7-ecc82-matched-pair-philips-adzam-labels-blackburn-1964-gf2","provider":"Soundlumia","version":"1.0","type":"link"}