{"product_id":"audio-research-ls-27-pre-valvolare-usato","title":"Audio Research LS 27 Pre Valvolare (USATO)","description":"\u003cp data-section-id=\"m0ifes\" data-start=\"0\" data-end=\"59\" class=\"PDq2pG_selectionAnchorContainer\"\u003eTelecomando,Istruzioni, no scatola\u003c\/p\u003e\n\u003ch6 data-section-id=\"m0ifes\" data-start=\"0\" data-end=\"59\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cbr\u003e\u003c\/h6\u003e\n\u003ch6 data-section-id=\"q5o1vp\" data-start=\"0\" data-end=\"48\" class=\"PDq2pG_selectionAnchorContainer\"\u003eSpecifiche Tecniche – Preamplificatore Stereo\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h6\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"50\" data-end=\"2099\" data-is-last-node=\"\" data-is-only-node=\"\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"50\" data-end=\"96\"\u003e\n\u003ctr data-start=\"50\" data-end=\"96\"\u003e\n\u003cth data-start=\"50\" data-end=\"66\" data-col-size=\"sm\" class=\"last:pe-10\"\u003e\u003cstrong data-start=\"52\" data-end=\"65\"\u003eCategoria\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"66\" data-end=\"82\" data-col-size=\"sm\" class=\"last:pe-10\"\u003e\u003cstrong data-start=\"68\" data-end=\"81\"\u003eParametro\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"82\" data-end=\"96\" data-col-size=\"md\" class=\"last:pe-10\"\u003e\u003cstrong data-start=\"84\" data-end=\"94\"\u003eValore\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"111\" data-end=\"2099\" data-is-last-node=\"\"\u003e\n\u003ctr data-start=\"111\" data-end=\"190\"\u003e\n\u003ctd data-start=\"111\" data-end=\"122\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"113\" data-end=\"121\"\u003eTipo\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"122\" data-end=\"139\"\u003eConfigurazione\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"139\" data-end=\"190\"\u003ePreamplificatore stereo ibrido (JFET + valvole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"191\" data-end=\"313\"\u003e\n\u003ctd data-start=\"191\" data-end=\"215\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"193\" data-end=\"214\"\u003ePrestazioni audio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"215\" data-end=\"239\"\u003eRisposta in frequenza\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"239\" data-end=\"313\"\u003e0,2 Hz – 160 kHz (+0\/-3 dB, uscita nominale bilanciata, carico 200 kΩ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"314\" data-end=\"393\"\u003e\n\u003ctd data-start=\"314\" data-end=\"316\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"316\" data-end=\"352\" data-col-size=\"sm\"\u003eDistorsione armonica totale (THD)\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"352\" data-end=\"393\"\u003e\u0026lt; 0,01% @ 2 V RMS (uscita bilanciata)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"394\" data-end=\"473\"\u003e\n\u003ctd data-start=\"394\" data-end=\"396\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"396\" data-end=\"413\" data-col-size=\"sm\"\u003eRumore residuo\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"413\" data-end=\"473\"\u003e1,3 µV RMS (IHF pesato, ingresso bilanciato equivalente)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"474\" data-end=\"515\"\u003e\n\u003ctd data-start=\"474\" data-end=\"476\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"476\" data-end=\"497\" data-col-size=\"sm\"\u003ePolarità di uscita\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"497\" data-end=\"515\"\u003eNon invertente\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"516\" data-end=\"628\"\u003e\n\u003ctd data-start=\"516\" data-end=\"531\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"518\" data-end=\"530\"\u003eGuadagno\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"531\" data-end=\"551\"\u003eUscita principale\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"551\" data-end=\"628\"\u003eSelezionabile: 24 \/ 18 \/ 12 dB (bilanciata), 18 \/ 12 \/ 6 dB (sbilanciata)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"629\" data-end=\"655\"\u003e\n\u003ctd data-start=\"629\" data-end=\"631\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"631\" data-end=\"647\" data-col-size=\"sm\"\u003eUscita Record\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"647\" data-end=\"655\"\u003e0 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"656\" data-end=\"724\"\u003e\n\u003ctd data-start=\"656\" data-end=\"672\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"658\" data-end=\"671\"\u003eImpedenze\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"672\" data-end=\"695\"\u003eImpedenza d'ingresso\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"695\" data-end=\"724\"\u003e120 kΩ (XLR), 60 kΩ (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"725\" data-end=\"776\"\u003e\n\u003ctd data-start=\"725\" data-end=\"727\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"727\" data-end=\"748\" data-col-size=\"sm\"\u003eImpedenza d'uscita\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"748\" data-end=\"776\"\u003e700 Ω (XLR), 350 Ω (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"777\" data-end=\"816\"\u003e\n\u003ctd data-start=\"777\" data-end=\"779\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"779\" data-end=\"807\" data-col-size=\"sm\"\u003eCarico minimo consigliato\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"807\" data-end=\"816\"\u003e20 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"817\" data-end=\"859\"\u003e\n\u003ctd data-start=\"817\" data-end=\"819\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"819\" data-end=\"847\" data-col-size=\"sm\"\u003eCapacità massima del cavo\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"847\" data-end=\"859\"\u003e2.000 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"860\" data-end=\"944\"\u003e\n\u003ctd data-start=\"860\" data-end=\"874\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"862\" data-end=\"873\"\u003eLivelli\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"874\" data-end=\"910\"\u003eIngresso massimo (guadagno basso)\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"910\" data-end=\"944\"\u003e48 V RMS (XLR), 24 V RMS (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"945\" data-end=\"1017\"\u003e\n\u003ctd data-start=\"945\" data-end=\"947\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"947\" data-end=\"983\"\u003eIngresso massimo (guadagno medio)\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"983\" data-end=\"1017\"\u003e24 V RMS (XLR), 12 V RMS (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1018\" data-end=\"1088\"\u003e\n\u003ctd data-start=\"1018\" data-end=\"1020\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1020\" data-end=\"1055\" data-col-size=\"sm\"\u003eIngresso massimo (guadagno alto)\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1055\" data-end=\"1088\"\u003e12 V RMS (XLR), 6 V RMS (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1089\" data-end=\"1163\"\u003e\n\u003ctd data-start=\"1089\" data-end=\"1091\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1091\" data-end=\"1109\"\u003eUscita nominale\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1109\" data-end=\"1163\"\u003e2 V RMS (1 Hz – 100 kHz, carico 200 kΩ bilanciato)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1164\" data-end=\"1220\"\u003e\n\u003ctd data-start=\"1164\" data-end=\"1166\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1166\" data-end=\"1183\" data-col-size=\"sm\"\u003eUscita massima\u003c\/td\u003e\n\u003ctd data-start=\"1183\" data-end=\"1220\" data-col-size=\"md\"\u003e15 V RMS (XLR, \u0026lt;0,5% THD @ 1 kHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1221\" data-end=\"1312\"\u003e\n\u003ctd data-start=\"1221\" data-end=\"1236\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1223\" data-end=\"1235\"\u003eIngressi\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1236\" data-end=\"1248\" data-col-size=\"sm\"\u003eAnalogici\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1248\" data-end=\"1312\"\u003e8: Tuner, Phono, CD, Video, Aux 1, Aux 2, Monitor, Processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1313\" data-end=\"1341\"\u003e\n\u003ctd data-start=\"1313\" data-end=\"1315\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1315\" data-end=\"1328\"\u003eConnettori\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1328\" data-end=\"1341\"\u003eRCA e XLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1342\" data-end=\"1393\"\u003e\n\u003ctd data-start=\"1342\" data-end=\"1355\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1344\" data-end=\"1354\"\u003eUscite\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1355\" data-end=\"1368\"\u003ePrincipali\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1368\" data-end=\"1393\"\u003e3 (2 Main + 1 Record)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1394\" data-end=\"1422\"\u003e\n\u003ctd data-start=\"1394\" data-end=\"1396\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1396\" data-end=\"1409\" data-col-size=\"sm\"\u003eConnettori\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1409\" data-end=\"1422\"\u003eRCA e XLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1423\" data-end=\"1539\"\u003e\n\u003ctd data-start=\"1423\" data-end=\"1439\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1425\" data-end=\"1438\"\u003eControlli\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1439\" data-end=\"1450\" data-col-size=\"sm\"\u003eFrontale\u003c\/td\u003e\n\u003ctd data-start=\"1450\" data-end=\"1539\" data-col-size=\"md\"\u003eVolume a 104 passi, selettore ingressi, Power, Mono, BAL\/SE, Processor, Monitor, Mute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1540\" data-end=\"1601\"\u003e\n\u003ctd data-start=\"1540\" data-end=\"1542\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1542\" data-end=\"1556\" data-col-size=\"sm\"\u003eTelecomando\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1556\" data-end=\"1601\"\u003eDisplay, Balance L\/R, Hours, Invert, Gain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1602\" data-end=\"1690\"\u003e\n\u003ctd data-start=\"1602\" data-end=\"1622\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1604\" data-end=\"1621\"\u003eAlimentazione\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1622\" data-end=\"1637\"\u003eAlimentatore\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1637\" data-end=\"1690\"\u003eRegolato elettronicamente (alta e bassa tensione)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1691\" data-end=\"1771\"\u003e\n\u003ctd data-start=\"1691\" data-end=\"1693\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1693\" data-end=\"1704\"\u003eFunzioni\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1704\" data-end=\"1771\"\u003eMute automatico all'accensione (50 s) e protezione da brown-out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1772\" data-end=\"1816\"\u003e\n\u003ctd data-start=\"1772\" data-end=\"1774\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1774\" data-end=\"1795\"\u003eStabilità di linea\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1795\" data-end=\"1816\"\u003eMigliore di 0,01%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1817\" data-end=\"1850\"\u003e\n\u003ctd data-start=\"1817\" data-end=\"1819\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1819\" data-end=\"1842\" data-col-size=\"sm\"\u003eAssorbimento massimo\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1842\" data-end=\"1850\"\u003e50 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1851\" data-end=\"1932\"\u003e\n\u003ctd data-start=\"1851\" data-end=\"1853\" data-col-size=\"sm\"\u003e\u003c\/td\u003e\n\u003ctd data-start=\"1853\" data-end=\"1881\" data-col-size=\"sm\"\u003eTensione di alimentazione\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1881\" data-end=\"1932\"\u003e105–130 V AC 60 Hz oppure 210–260 V AC 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1933\" data-end=\"1988\"\u003e\n\u003ctd data-start=\"1933\" data-end=\"1947\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1935\" data-end=\"1946\"\u003eValvole\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1947\" data-end=\"1962\"\u003eStadio audio\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1962\" data-end=\"1988\"\u003e2 × 6H30 doppio triodo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1989\" data-end=\"2043\"\u003e\n\u003ctd data-start=\"1989\" data-end=\"2018\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"1991\" data-end=\"2017\"\u003eDimensioni (L × A × P)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2018\" data-end=\"2021\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2021\" data-end=\"2043\"\u003e480 × 134 × 338 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2044\" data-end=\"2073\"\u003e\n\u003ctd data-start=\"2044\" data-end=\"2055\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2046\" data-end=\"2054\"\u003ePeso\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2055\" data-end=\"2063\"\u003eNetto\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2063\" data-end=\"2073\"\u003e7,4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\u003c\/div\u003e","brand":"Audio Research","offers":[{"title":"Default Title","offer_id":54013214851410,"sku":null,"price":4500.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/0296\/4793\/files\/AudioResearchLS27PreValvolare_USATO_front.png?v=1784215131","url":"https:\/\/hificore.it\/products\/audio-research-ls-27-pre-valvolare-usato","provider":"HifiCore","version":"1.0","type":"link"}