{"product_id":"telefunken-ecc82-tk-vacuum-tube-matched-pair-black-diamond-series-vacuum-tubes","title":"TELEFUNKEN ECC82-TK Vacuum Tube Matched Pair","description":"\u003cdiv style=\"font-family:'Helvetica Neue',Arial,sans-serif;color:#1A1A2A;max-width:900px;margin:0 auto;line-height:1.6;font-size:15px;\"\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:4px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eProduct overview\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 16px;font-size:16.5px;color:#0D1B3E;\"\u003eThe \u003cstrong\u003eTELEFUNKEN ECC82-TK Vacuum Tube Matched Pair\u003c\/strong\u003e is a newly manufactured, cryogenically treated rendition of the classic ECC82, commonly known by the American designation 12AU7, supplied here as a matched pair of ECC82-TK tubes.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe ECC82 is a dual triode with medium gain and low noise characteristics, making it ideal for hi-fi audio equipment and instrument amplification. The Black Diamond Series ECC82-TK features gold-plated pins and a gold-plated internal grid, and TELEFUNKEN describes its tonal character as brighter rather than warm, with a wide sense of dynamics and an exceptionally quiet noise floor.\u003c\/p\u003e\n\u003ctable style=\"border-collapse:collapse;margin:6px 0 18px;width:100%;max-width:100%;table-layout:fixed;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:55%;color:#5a6170;font-size:13px;text-transform:uppercase;letter-spacing:.05em;\"\u003eAlso known as\u003c\/td\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;font-weight:bold;color:#006d77;font-size:17px;\"\u003e12AU7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:55%;color:#5a6170;font-size:13px;text-transform:uppercase;letter-spacing:.05em;\"\u003eMedium gain, low noise\u003c\/td\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;font-weight:bold;color:#006d77;font-size:17px;\"\u003eDual triode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:55%;color:#5a6170;font-size:13px;text-transform:uppercase;letter-spacing:.05em;\"\u003eTubes in this product\u003c\/td\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;font-weight:bold;color:#006d77;font-size:17px;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:55%;color:#5a6170;font-size:13px;text-transform:uppercase;letter-spacing:.05em;\"\u003ePlated pins and internal grid\u003c\/td\u003e\n\u003ctd style=\"padding:12px 8px;text-align:left;border:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;font-weight:bold;color:#006d77;font-size:17px;\"\u003eGold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eKey features\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 14px;padding-left:20px;\"\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eECC82 \/ 12AU7 dual triode\u003c\/strong\u003e: medium gain, low noise\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eGold-plated pins\u003c\/strong\u003e and \u003cstrong\u003egold-plated internal grid\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eBrighter tonal character\u003c\/strong\u003e, wide dynamics and an exceptionally quiet noise floor\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eAccurate, focused image\u003c\/strong\u003e with a flat midrange and tight low end\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eLine amplifier, driver and phase inverter\u003c\/strong\u003e in push-pull amplifier circuits\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eBlack Diamond Series\u003c\/strong\u003e: rigorously tested, cryogenically treated and extensively burned-in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eThe ECC82-TK sound\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe ECC82-TK offers an accurate and focused image with a flat midrange and a tight low end. It is excellent in headphone amplifiers and high-end home audio and phono equipment, among many other applications, and TELEFUNKEN puts every tube through rigorous quality control and testing to deliver a dependable tube for the most demanding applications.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eWhere it works\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe ECC82 is commonly used as a low-noise line amplifier, driver and phase inverter in push-pull amplifier circuits, and it can stand in for higher gain dual triodes where a lower gain is wanted. ECC82 is the European designation and 12AU7 the American one, so the ECC82-TK fits any socket specified for either.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 14px;padding-left:20px;\"\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eGuitar amplifier phase inverter\u003c\/strong\u003e: tube amplifiers that use a 12AU7 as the phase inverter of a push-pull power section\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eHeadphone amplifier\u003c\/strong\u003e: listeners with tube headphone amplifiers specified for the 12AU7 or ECC82\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003ePhono stage\u003c\/strong\u003e: vinyl listeners whose tube phono preamplifier uses the 12AU7\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eHi-fi line stage and driver\u003c\/strong\u003e: high-end home audio with a 12AU7 line amplifier or driver stage\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eLower gain preamp position\u003c\/strong\u003e: guitarists after more headroom from a preamp position that accepts a 12AU7\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;\"\u003e\n\u003cstrong\u003eStudio and rental spares\u003c\/strong\u003e: studios and rental stores keeping a stock of ECC82 replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eBlack Diamond Series\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eTELEFUNKEN Elektroakustik Black Diamond Series vacuum tubes are new production tubes, manufactured in partnership with a specialist vacuum tube factory in Slovakia and designed to be harmonically rich and tonally balanced. Each tube is rigorously tested, cryogenically treated and extensively burned-in before it carries the Black Diamond name, so the ECC82-TK arrives ready for the most demanding applications.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eThis configuration: Matched Pair\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThis product is a \u003cstrong\u003eMatched Pair\u003c\/strong\u003e: two ECC82-TK tubes matched by TELEFUNKEN and supplied together as one set. TELEFUNKEN also lists this tube with a Balanced Triodes option, sold as a separate product. Keep a matched set together in the two positions of the same circuit.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eFitting and care\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eAlways switch the equipment off, unplug it from the mains and let the tubes cool completely before removing or fitting a tube. Fit the ECC82-TK only in a socket specified for the ECC82 or 12AU7, keep each tube in the position of the one it replaces, and press it straight and fully into the socket. Leave any work inside a chassis to a qualified technician. After fitting, let the equipment warm up and listen at low volume first. Store spare tubes in their packaging, protected from knocks and moisture.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eWhat's included\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;margin:0 0 14px;font-size:14px;width:100%;max-width:100%;table-layout:fixed;\"\u003e\u003ctbody\u003e\n\u003ctr style=\"background:#F5F7F9;\"\u003e\n\u003ctd style=\"font-weight:600;color:#0D1B3E;padding:8px 10px;border-bottom:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:38%;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding:8px 10px;border-bottom:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;\"\u003eTwo TELEFUNKEN ECC82‑TK vacuum tubes (matched pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#FFFFFF;\"\u003e\n\u003ctd style=\"font-weight:600;color:#0D1B3E;padding:8px 10px;border-bottom:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;width:38%;\"\u003eNot included\u003c\/td\u003e\n\u003ctd style=\"padding:8px 10px;border-bottom:1px solid #DDE2E8;vertical-align:top;word-break:normal;overflow-wrap:break-word;\"\u003eAmplifier or equipment, sockets and installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eIn the box\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 14px;padding-left:20px;\"\u003e\u003cli style=\"margin:0 0 6px;\"\u003eTwo TELEFUNKEN ECC82-TK vacuum tubes (matched pair)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp style=\"margin:10px 0 14px;padding:10px 14px;background:#F5F7F9;border-left:3px solid #006D77;font-size:14px;color:#1A1A2A;\"\u003eVacuum tubes are glass components: handle them by the glass envelope, avoid knocks and keep them in their packaging until fitting.\u003c\/p\u003e\n\u003ch3 style=\"font-size:17px;font-weight:700;color:#0D1B3E;text-transform:uppercase;letter-spacing:.06em;margin:30px 0 12px;padding:0 0 7px;border-bottom:2px solid #006D77;\"\u003eTELEFUNKEN ECC82-TK Vacuum Tube Matched Pair: frequently asked questions\u003c\/h3\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eIs the ECC82-TK the same as a 12AU7?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eYes. ECC82 is the European designation and 12AU7 the American designation for the same medium gain dual triode.\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eWhat does it sound like?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eTELEFUNKEN describes it as brighter rather than warm, with wide dynamics, an exceptionally quiet noise floor, an accurate focused image, a flat midrange and a tight low end.\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eWhat does Black Diamond Series mean?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eIt is TELEFUNKEN Elektroakustik's range of new production vacuum tubes, designed to be harmonically rich and tonally balanced; each tube is rigorously tested, cryogenically treated and extensively burned-in.\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eWhere in the equipment does it go?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eIn any socket specified for the ECC82 or 12AU7, keeping each tube in the position of the one it replaces. Switch off, unplug and let the tubes cool before changing them.\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eHow many tubes are included?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eTwo tubes, matched by TELEFUNKEN and supplied as one set (Matched Pair).\u003c\/p\u003e\n\u003ch4 style=\"font-size:15px;font-weight:700;color:#0D1B3E;margin:18px 0 6px;\"\u003eWhere can I buy the TELEFUNKEN ECC82-TK Vacuum Tube Matched Pair in India?\u003c\/h4\u003e\n\u003cp style=\"margin:0 0 12px;\"\u003eThe TELEFUNKEN ECC82-TK Vacuum Tube Matched Pair is available from \u003cstrong\u003eShivansh Electronics, Kolkata, West Bengal, India\u003c\/strong\u003e, with delivery across India.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Shivansh Electronics","offers":[{"title":"Default Title","offer_id":67947018682735,"sku":"TELEFUNKEN-ECC82-TK-Vacuum-Tube-Matched-Pair","price":26700.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0964\/4766\/0399\/files\/TELEFUNKEN-ECC82-TK-VACUUM-TUBE-MATCHED-PAIR-TELEFUNKEN-ADD-ONS-SHIVANSH-ELECTRONICS-1.webp?v=1793329715","url":"https:\/\/shivanshelectronics.in\/products\/telefunken-ecc82-tk-vacuum-tube-matched-pair-black-diamond-series-vacuum-tubes","provider":"Shivansh Electronics","version":"1.0","type":"link"}