{"id":448,"date":"2022-02-05T18:37:38","date_gmt":"2022-02-05T16:37:38","guid":{"rendered":"http:\/\/soundvalvolareart.com\/?page_id=448"},"modified":"2022-09-18T10:25:02","modified_gmt":"2022-09-18T09:25:02","slug":"amplificatore-stereo-a-valvole-4040-w","status":"publish","type":"page","link":"https:\/\/soundvalvolareart.com\/en\/amplificatore-stereo-a-valvole-4040-w\/","title":{"rendered":"Valve Stereo Amplifier 40+40 W"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"http:\/\/soundvalvolareart.com\/wp-content\/uploads\/2022\/09\/DSC05699-1-1024x683.jpg\" alt=\"\" class=\"wp-image-851\" srcset=\"https:\/\/soundvalvolareart.com\/wp-content\/uploads\/2022\/09\/DSC05699-1-1024x683.jpg 1024w, https:\/\/soundvalvolareart.com\/wp-content\/uploads\/2022\/09\/DSC05699-1-300x200.jpg 300w, https:\/\/soundvalvolareart.com\/wp-content\/uploads\/2022\/09\/DSC05699-1-768x512.jpg 768w, https:\/\/soundvalvolareart.com\/wp-content\/uploads\/2022\/09\/DSC05699-1-1536x1024.jpg 1536w, https:\/\/soundvalvolareart.com\/wp-content\/uploads\/2022\/09\/DSC05699-1-2048x1365.jpg 2048w, https:\/\/soundvalvolareart.com\/wp-content\/uploads\/2022\/09\/DSC05699-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>PUSH-PULL classe AB1<\/li><li>Segnale in ingresso 200 mV 1KHz (da 100mV a 600mV )<\/li><li>Potenza di uscita : 40 W rms ( Root Mean Square ) x 2 su 8 ohm<\/li><li>Distorsione: &lt;1% a 1KHz<\/li><li>Valvole finali: 4 x KT88 &#8211; GOLD LION matched<\/li><li>Potenziometri ALPS<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"text-align: justify;\">Un Push-Pull in classe AB1 decisamente pi\u00f9 potente rispetto allo &#8220;Scirocco&#8221; adatto a chi ama ascoltare anche della musica rock o jazz.<\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"text-align: justify;\">Con le sue valvole finali KT88 e dopo averle fatte scaldare e stabilizzare almeno per un&#8217;ora ci si accorge di quanta grinta possono tirare fuori.<\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"text-align: justify;\">Da queste valvole si potrebbe ottenere una potenza superiore, ma ho preferito non stressare le stesse fermandomi a 40 W mantenendo cos\u00ec una durata superiore nel tempo, considerato il costo elevato per quattro KT88 matched.<\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"text-align: justify;\">Anche a questo amplificatore in considerazione della potenza decisa e marcata ho voluto dedicare il nome &#8220;Mistral&#8221;, come il vento impetuoso che proviene da nord-ovest.<\/p><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><p style=\"text-align: justify;\">Sia il 20+20 Watt che il 40+40 Watt sono dotati di un circuito che ritarda la tensione anodica in modo da permettere il riscaldamento della valvola tramite il filamento. Questo aumenta nel tempo la durata delle valvole.<\/p><\/p>\n\n\n<div  id=\"jtg-517\" class=\"modula modula-gallery modula-custom-grid\" data-config=\"{&quot;height&quot;:800,&quot;tabletHeight&quot;:800,&quot;mobileHeight&quot;:800,&quot;desktopHeight&quot;:800,&quot;enableTwitter&quot;:false,&quot;enableWhatsapp&quot;:false,&quot;enableFacebook&quot;:false,&quot;enablePinterest&quot;:false,&quot;enableLinkedin&quot;:false,&quot;enableEmail&quot;:false,&quot;randomFactor&quot;:0.5,&quot;type&quot;:&quot;custom-grid&quot;,&quot;columns&quot;:12,&quot;gutter&quot;:10,&quot;mobileGutter&quot;:10,&quot;tabletGutter&quot;:10,&quot;desktopGutter&quot;:10,&quot;enableResponsive&quot;:&quot;0&quot;,&quot;tabletColumns&quot;:&quot;2&quot;,&quot;mobileColumns&quot;:&quot;1&quot;,&quot;lazyLoad&quot;:0,&quot;lightboxOpts&quot;:{&quot;animated&quot;:true,&quot;Thumbs&quot;:{&quot;type&quot;:&quot;modern&quot;,&quot;showOnStart&quot;:false},&quot;Toolbar&quot;:{&quot;display&quot;:{&quot;right&quot;:[&quot;close&quot;]},&quot;enabled&quot;:true},&quot;Carousel&quot;:{&quot;Panzoom&quot;:{&quot;touch&quot;:true},&quot;infinite&quot;:false},&quot;keyboard&quot;:{&quot;Escape&quot;:&quot;close&quot;,&quot;Delete&quot;:&quot;close&quot;,&quot;Backspace&quot;:&quot;close&quot;,&quot;PageUp&quot;:&quot;next&quot;,&quot;PageDown&quot;:&quot;prev&quot;,&quot;ArrowUp&quot;:&quot;prev&quot;,&quot;ArrowDown&quot;:&quot;next&quot;,&quot;ArrowRight&quot;:&quot;next&quot;,&quot;ArrowLeft&quot;:&quot;prev&quot;},&quot;wheel&quot;:&quot;slide&quot;,&quot;touch&quot;:true,&quot;backdropClick&quot;:&quot;close&quot;,&quot;l10n&quot;:{&quot;CLOSE&quot;:&quot;Close&quot;,&quot;NEXT&quot;:&quot;Next&quot;,&quot;PREV&quot;:&quot;Previous&quot;,&quot;Error&quot;:&quot;The requested content cannot be loaded. 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More<\/a><\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"class_list":["post-448","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Amplificatore stereo a valvole 40+40 W - SoundValvolareArt<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/soundvalvolareart.com\/en\/amplificatore-stereo-a-valvole-4040-w\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amplificatore stereo a valvole 40+40 W - SoundValvolareArt\" \/>\n<meta property=\"og:description\" content=\"PUSH-PULL classe AB1 Segnale in ingresso 200 mV 1KHz (da 100mV a 600mV ) Potenza di uscita : 40 W rms ( Root Mean Square ) x 2 su 8 ohm Distorsione: &lt;1% a 1KHz Valvole finali: 4 x KT88 &#8211; GOLD LION matched Potenziometri ALPS Un Push-Pull in classe AB1 decisamente pi\u00f9 potente rispettoRead More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/soundvalvolareart.com\/en\/amplificatore-stereo-a-valvole-4040-w\/\" \/>\n<meta property=\"og:site_name\" content=\"SoundValvolareArt\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-18T09:25:02+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/soundvalvolareart.com\/wp-content\/uploads\/2022\/09\/DSC05699-1-1024x683.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" 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