{"product_id":"philips-ecc83-12ax7-long-plates-dx-mcp-hamburg","title":"Philips ECC83 12AX7 Matched Pair Long Plates Foil D 45° Getter - DX mCP (Valvo Hamburg, 1953-1954) - NOS","description":"\u003cdiv style=\"orphans: 2; text-align: start; text-indent: 0px; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\n\u003cdiv\u003e\n\u003cb style=\"color: #2a633a; font-family: Arial; font-size: large;\"\u003eTubes Summary\u003c\/b\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eAs much as they are known for their super power in revealing details in sound, these tubes can get punishing to lossy digital sound sources such as streaming video (not even 4K!), HD audio streaming, MP3 (not even 320kbps) playback and distortions in sound will be amplified and displayed with no mercy! Dedicated CD transport or lossless play back on PC\/Mac (not on mobile devices) are recommended if you want to fully unleash these tubes' amazing power in your system. Phono, if available, is highly recommended to be used as sound source because analog input is lossless by definition.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan color=\"#2a633a\" face=\"Arial\" size=\"4\" style=\"color: #2a633a; font-family: Arial; font-size: large;\"\u003e\u003cb\u003eSound Qualities \u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eUnder the commanding pose of the 45° angled getter support lies the ultimate clarity of sound: everything can be heard, whether you knew they existed before or not, or whether you think they should exist or not. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eTo get everyone on the same page, we will be comparing these to the Hamburg-made Valvo ECC83's with regular getter support version only, which is already an excellent choice for audiophiles looking for distinctive German tube sound: the grip is tighter with a ton of weight added to the overall sound presentation, especially to the midrange, which feels much warmer and more intimate; the sound stage is expanded in all three dimensions (wider, taller and deeper) and almost feels like projected from a 45-degree angle somewhere (but that's probably only in your head) as you get to \"see\" more information from the same angle - the true holographic sound stage presentation; the naturalness of sound is not heard on any other tubes in the sense that these tubes tell you what IS and what IS NOT in your sound, e.g. you can tell the sound of natural rain in some movies from the sound of fake rain (water poured from hoses above movie scenes) in other movies; the clarity of sound is \"clinical\" - as in how your doctor would say you are either sick or not sick and there's absolutely no muddiness or ambiguity in between and perhaps this is why they can get punishing to lossy digital sound sources; the musicality is unequalled as by now the only thing left in your music for you to hear is EVERYTHING in your music as long as the sound source is right. \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eProfessional Tube Testing \u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\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 face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eBoth tubes tested \u003cb\u003eStrong NOS \u003c\/b\u003e(110%+ nominal mutual conductance) 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 face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eTube 1: \u003cb\u003e1,200\/1,150\u003c\/b\u003e \u003cb\u003e(120%\/115%)\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eTube 2: \u003cb\u003e1,180\/1,100\u003c\/b\u003e \u003cb\u003e(118%\/110%)\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eGood tubes start at \u003cb\u003e700\u003c\/b\u003e and new tubes (incl. NOS\/NIB) \u003cb\u003e1,000\u003c\/b\u003e, and the Mercury 2000's rated mutual conductance (nominal) for new tubes is \u003cb\u003e1,000\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 color=\"#9e2048\" style=\"color: #9e2048;\"\u003ea \u003c\/span\u003e\u003cspan color=\"#9e2048\" style=\"color: #9e2048;\"\u003etube's ability to amplify sound\u003c\/span\u003e\u003c\/b\u003e\u003cspan color=\"#2a633a\" 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 face=\"Arial\" size=\"4\" 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\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv\u003e\u003cspan color=\"#2a633a\" face=\"Arial\" size=\"4\" 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 face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eBesides the world-class sound characteristics, we treasure this pair also because the excellent condition of inscriptions on the tubes given its age. The identical painted date code between pins are perfectly visible on both tubes: \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" 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 face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cb\u003eDX mCP\u003c\/b\u003e (Hamburg, 1953 - 1954)\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003ePackaging\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cb style=\"color: #2a633a;\"\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan face=\"Arial\" size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eThis pair of tubes will be packaged in the \u003cb\u003enew \u003c\/b\u003eValvo tube boxes, secured by a handmade paper ribbon (by courtesy of Soundlumia.)\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv\u003e\n\u003cdiv id=\"ds_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 id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_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 id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv id=\"ds_div\"\u003e\n\u003cdiv\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\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\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\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\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\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Valvo","offers":[{"title":"Default Title","offer_id":48062768644416,"sku":null,"price":1160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/2388\/5888\/files\/20240318_111459.jpg?v=1710831457","url":"https:\/\/www.soundlumia.com\/ja\/products\/philips-ecc83-12ax7-long-plates-dx-mcp-hamburg","provider":"Soundlumia","version":"1.0","type":"link"}