{"id":17458,"date":"2021-10-05T18:20:28","date_gmt":"2021-10-05T15:20:28","guid":{"rendered":"https:\/\/avplus.fi\/kokeilussa-pro-ject-phono-box-rs2-levysoitinesivahvistin-highendia-ja-saatoja-rasioille\/"},"modified":"2026-02-22T00:04:10","modified_gmt":"2026-02-21T22:04:10","slug":"kokeilussa-pro-ject-phono-box-rs2-levysoitinesivahvistin-highendia-ja-saatoja-rasioille","status":"publish","type":"post","link":"https:\/\/avplus.fi\/en\/kokeilussa-pro-ject-phono-box-rs2-levysoitinesivahvistin-highendia-ja-saatoja-rasioille\/","title":{"rendered":"Kokeilussa Pro-Ject Phono Box RS2 -levysoitinesivahvistin: Highendi\u00e4 ja s\u00e4\u00e4t\u00f6j\u00e4 rasioille"},"content":{"rendered":"<div id=\"pl-17458\"  class=\"panel-layout\" ><div id=\"pg-17458-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-17458-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-17458-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h2><span style=\"font-weight: 400;\">Pro-Jectin uudella Phono Box RS2 -riaa-levysoitinesivahvistimella ei homma j\u00e4\u00e4 s\u00e4\u00e4d\u00f6ist\u00e4 kiinni. Se ei tosin ole miss\u00e4\u00e4n tapauksessa halpa, mutta ominaisuuksiin n\u00e4hden sit\u00e4 ei voi pit\u00e4\u00e4 mitenk\u00e4\u00e4n erityisen kalliina.<\/span><\/h2>\n<p class=\"small\"><span style=\"font-weight: 400;\">Teksti ja kuvat: Teppo Hirvikunnas<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Jokainen v\u00e4h\u00e4nk\u00e4\u00e4n asioista perill\u00e4 oleva tiet\u00e4\u00e4 laadukkaan riaa-esivahvistimen merkityksen ja sen, kuinka t\u00e4rke\u00e4 merkitys esivahvistimen ja \u00e4\u00e4nirasian keskin\u00e4isell\u00e4 sovituksella on. Suuri merkitys.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pro-Ject Phono Box RS2 onkin oikea s\u00e4\u00e4t\u00f6jen Graalin malja. Mc-rasioiden sis\u00e4\u00e4ntuloimpedanssille laitteessa on portaaton s\u00e4\u00e4t\u00f6 v\u00e4lill\u00e4 10\u20131\u00a0000 ohmia, ja mm-rasioiden sis\u00e4\u00e4ntulokapasitanssi voidaan valita per\u00e4ti kahdeksasta vaihtoehdosta aina 50:st\u00e4 400:aan pikofaradiin 50 yksik\u00f6n portain. Vahvistus on valittavissa 4+4 (mm\/mc) vaihtoehdosta kolmen desibelin portain, jolloin tasot saadaan sovitettua rasiasta riippumatta muiden ohjelmal\u00e4hteiden kanssa kohdalleen. Laitteessa on erikoisuutena my\u00f6s hienojakoinen 0\u20132 desibelin kanavatasapainon s\u00e4\u00e4t\u00f6. \u00c4\u00e4nirasioissa voi hyvinkin olla desibelinkin eroja kanavatasapainossa. T\u00e4ss\u00e4 saa senkin s\u00e4\u00e4detty\u00e4 kohdalleen. Balanssis\u00e4\u00e4d\u00f6n puolestaan saa tarvittaessa ohitettua kytkimell\u00e4. Ja jos jollakulla on vanhoja Decca-korjauksella varustettuja levyj\u00e4, niin niillekin l\u00f6ytyy asetus. Luonnollisesti laitteessa on my\u00f6s kytkett\u00e4v\u00e4 subsonic-suodatin. Etupaneeli on t\u00e4ynn\u00e4 s\u00e4\u00e4t\u00f6j\u00e4 \u2013 mit\u00e4 muuta voisi en\u00e4\u00e4 toivoa?<\/span><\/p>\n<hr \/>\n<p><a href=\"https:\/\/avplus.fi\/wp-content\/uploads\/ProJect-Phono-Box-RS2-EDESTA-scaled-e1633457745882.jpg\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-34156\" src=\"https:\/\/avplus.fi\/wp-content\/uploads\/ProJect-Phono-Box-RS2-EDESTA-scaled-e1633457745882.jpg\" alt=\"\" width=\"1200\" height=\"381\"><\/a><\/p>\n<p class=\"small\"><em><span style=\"font-weight: 400;\">Pro-Ject Phono Box RS2 on s\u00e4\u00e4t\u00f6jen puolesta todenn\u00e4k\u00f6isesti markkinoiden monipuolisin levysoitinesivahvistin. Eik\u00f6 teekin mieli jo kokeilla?<\/span><\/em><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-17458-1\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-17458-1\" ><div id=\"pgc-17458-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-17458-1-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h2><b><strong>Pro-Ject Phono Box RS2<br \/>\n<\/strong><\/b><\/h2>\n<p>Pro-Ject Phono Box RS2 her\u00e4tt\u00e4\u00e4 todenn\u00e4k\u00f6isesti jokaisen tosissaan vinyyleihin suhtautuvan mielenkiinnon tavalla tai toisella. Sen verran vakuuttava sen s\u00e4\u00e4t\u00f6jen setti on kuten my\u00f6s tekniikka.<br \/>\nLaitteesta ei oikeastaan l\u00f6ydy mit\u00e4\u00e4n moitittavaa lukuun ottamatta todella ankeita kopiokoneella otettuja ja sis\u00e4ll\u00f6lt\u00e4\u00e4n suppeita k\u00e4ytt\u00f6ohjeita. Laite ansaitsisi nahkakantisen ohjekirjan \u2013 ja sen ohella my\u00f6s arvokkaamman myyntipakkauksen. Aika pienet on siis murheet.<br \/>\nKaikkiaan kyseess\u00e4 on huippuluokan levysoitinesivahvistin vaativampaakin k\u00e4ytt\u00f6\u00f6n. Phono Box RS2 on kaiken lis\u00e4ksi luokassaan ominaisuuksiin n\u00e4hden jopa kohtuuhintainen. Mit\u00e4 muuta voi toivoa?<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-17458-2\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-17458-2\" ><div id=\"pgc-17458-2-0\"  class=\"panel-grid-cell\" ><div id=\"panel-17458-2-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<h3>HYV\u00c4\u00c4 & HUONOA<\/h3>\n<p><code>[icon name=\"plus-circle\"]<\/code> Monipuoliset s\u00e4\u00e4d\u00f6t<br \/>\n<code>[icon name=\"plus-circle\"]<\/code> Rakenne ja toteutus<br \/>\n<code>[icon name=\"plus-circle\"]<\/code> \u00c4\u00e4nenlaatu<br \/>\n<code>[icon name=\"minus-circle\"]<\/code> K\u00e4ytt\u00f6ohjeet<br \/>\n<code><\/code><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-17458-3\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-17458-3-0\"  class=\"panel-grid-cell\" ><div id=\"panel-17458-3-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child\" data-index=\"3\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><b>Pro-Ject Phono Box RS2<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Hinta<\/span> <span style=\"font-weight: 400;\">1499 \u20ac<br \/>\n<\/span><span style=\"font-weight: 400;\">Maahantuoja<\/span> <span style=\"font-weight: 400;\">AH-Hifisystems Oy<br \/>\n<\/span><span style=\"font-weight: 400;\">Lis\u00e4tietoja<\/span> <span style=\"font-weight: 400;\"><a href=\"http:\/\/project-audio.com\" target=\"_blank\" rel=\"noopener\">project-audio.com<\/a> & <a href=\"http:\/\/ah-hifisystems.fi\" target=\"_blank\" rel=\"noopener\">ah-hifisystems.fi<\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sis\u00e4\u00e4ntuloimpedanssi (MM)<\/span> <span style=\"font-weight: 400;\">47 kOhm<br \/>\n<\/span><span style=\"font-weight: 400;\">Sis\u00e4\u00e4ntulokapasitanssi (MM)<\/span> <span style=\"font-weight: 400;\">50\/100\/150\/200\/250\/300\/350\/400 pF<br \/>\n<\/span><span style=\"font-weight: 400;\">Sis\u00e4\u00e4ntuloimpedanssi (MC)<\/span> <span style=\"font-weight: 400;\">10\u20131 000 Ohm<br \/>\n<\/span><span style=\"font-weight: 400;\">Sis\u00e4\u00e4ntulokapasitanssi (MC)<\/span> <span style=\"font-weight: 400;\">50 pF<br \/>\n<\/span><span style=\"font-weight: 400;\">Vahvistus (MM)<\/span> <span style=\"font-weight: 400;\">40\/43\/46\/50 dB (XLR +6 dB)<br \/>\n<\/span><span style=\"font-weight: 400;\">Vahvistus (MC)<\/span> <span style=\"font-weight: 400;\">60\/63\/66\/70 dB (XLR +6 dB)<br \/>\n<\/span><span style=\"font-weight: 400;\">Toistoalue<\/span> <span style=\"font-weight: 400;\">20 Hz - 20 kHz (\u00b14 dB)<br \/>\n<\/span><span style=\"font-weight: 400;\">Subsonic-suodatin<\/span> <span style=\"font-weight: 400;\">20 Hz (-18 dB\/okt.)<br \/>\n<\/span><span style=\"font-weight: 400;\">H\u00e4iri\u00f6et\u00e4isyys (MM, 40 dB)<\/span> <span style=\"font-weight: 400;\">89 dBA<br \/>\n<\/span><span style=\"font-weight: 400;\">H\u00e4iri\u00f6et\u00e4isyys (MC, 60 dB)<\/span> <span style=\"font-weight: 400;\">76 dBA<br \/>\n<\/span><span style=\"font-weight: 400;\">Kokonaiss\u00e4r\u00f6 (MM, 1 kHz, 40 dB)<\/span> <span style=\"font-weight: 400;\">< 0,005 %\n<\/span><span style=\"font-weight: 400;\">Kokonaiss\u00e4r\u00f6 (MC, 1 kHz, 40 dB)<\/span> <span style=\"font-weight: 400;\">< 0,04 %\n<\/span><span style=\"font-weight: 400;\">Mitat (k x l x s)<\/span> <span style=\"font-weight: 400;\">72 x 206 x 200 mm<br \/>\n<\/span><span style=\"font-weight: 400;\">Paino<\/span> <span style=\"font-weight: 400;\">1,6 kg<br \/>\n<\/span><span style=\"font-weight: 400;\">Muuta<\/span> <span style=\"font-weight: 400;\">Erillinen virtal\u00e4hde 20 V \/ 3 A, viimeistely: eloksoitu hopea tai musta<\/span><\/p>\n<\/div>\n<\/div><\/div><div id=\"panel-17458-3-0-1\" class=\"so-panel widget widget_sow-editor panel-last-child\" data-index=\"4\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<hr \/>\n<p><em>Juttu on lyhennelm\u00e4 artikkelista, joka on julkaistu alunperin <a href=\"https:\/\/avplus.fi\/numerot\/avplus-8-2020\/\" target=\"_blank\" rel=\"noopener\">AVPlus-lehdess\u00e4 1\/2021<\/a> (nro.202).<\/em><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Pro-Jectin uudella Phono Box RS2 -riaa-levysoitinesivahvistimella ei homma j\u00e4\u00e4 s\u00e4\u00e4d\u00f6ist\u00e4 kiinni. Se ei tosin ole miss\u00e4\u00e4n tapauksessa halpa, mutta ominaisuuksiin n\u00e4hden sit\u00e4 ei voi pit\u00e4\u00e4 mitenk\u00e4\u00e4n erityisen kalliina.<\/p>","protected":false},"author":3,"featured_media":17460,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"jnews_paywall_metabox":[],"jnews_override_counter":[],"footnotes":""},"categories":[247,262,326,350],"tags":[],"coauthors":[],"class_list":["post-17458","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kokeilu","category-high-end-audio","category-muut-vahvistimet","category-toimituksen-valinta"],"_links":{"self":[{"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/posts\/17458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/comments?post=17458"}],"version-history":[{"count":0,"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/posts\/17458\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/media\/17460"}],"wp:attachment":[{"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/media?parent=17458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/categories?post=17458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/tags?post=17458"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/avplus.fi\/en\/wp-json\/wp\/v2\/coauthors?post=17458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}