{"id":3763,"date":"2016-07-27T17:08:00","date_gmt":"2016-07-27T10:08:00","guid":{"rendered":"http:\/\/amplichinhhang.com\/english\/?p=3763"},"modified":"2016-07-27T17:10:28","modified_gmt":"2016-07-27T10:10:28","slug":"pro-ject-tube-box-ds-tube-phono-preamplifier","status":"publish","type":"post","link":"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/","title":{"rendered":"Pro-Ject &#8211; Tube Box DS &#8211; Tube Phono Preamplifier"},"content":{"rendered":"<p>This precision tube phono preamplifier benefits from outstanding circuit technology from Dr. Sykora and uses ultimate components. For the first time a variable selection of input impedance for MC cartridges can be done while playing a record! Other features include input capacitance for MM cartridges and switchable subsonic, that prevents your amplifier and speakers of ultra low rumble below 20Hz. All components including tube output and polypropylene capacitors are audiophile-grade and guarantee a breathtaking sound experience. A perfect upgrade for ambitious vinyl lovers!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This precision tube phono preamplifier benefits from outstanding circuit technology from Dr. Sykora and uses ultimate components. For the first time a variable selection of input impedance for MC cartridges can be done while playing a record! Other features include input capacitance for MM cartridges and switchable subsonic, that prevents [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":3768,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80,89],"tags":[322],"class_list":{"0":"post-3763","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-hifi","8":"category-phono-preamplifiers","9":"tag-pro-ject-tube-box-ds-tube-phono-preamplifier"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pro-Ject - Tube Box DS - Tube Phono Preamplifier | Tr\u1ea3i nhi\u1ec7m c\u00e1c d\u00f2ng Loa, amply nghe nh\u1ea1c cao c\u1ea5p<\/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:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pro-Ject - Tube Box DS - Tube Phono Preamplifier | Tr\u1ea3i nhi\u1ec7m c\u00e1c d\u00f2ng Loa, amply nghe nh\u1ea1c cao c\u1ea5p\" \/>\n<meta property=\"og:description\" content=\"This precision tube phono preamplifier benefits from outstanding circuit technology from Dr. Sykora and uses ultimate components. For the first time a variable selection of input impedance for MC cartridges can be done while playing a record! Other features include input capacitance for MM cartridges and switchable subsonic, that prevents [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/\" \/>\n<meta property=\"og:site_name\" content=\"Tr\u1ea3i nhi\u1ec7m c\u00e1c d\u00f2ng Loa, amply nghe nh\u1ea1c cao c\u1ea5p\" \/>\n<meta property=\"article:published_time\" content=\"2016-07-27T10:08:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-07-27T10:10:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/amplichinhhang.com\/english\/wp-content\/uploads\/2016\/07\/pro-ject-tube-box-ds-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n Thu Ph\u01b0\u01a1ng\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n Thu Ph\u01b0\u01a1ng\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/\",\"url\":\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/\",\"name\":\"Pro-Ject - Tube Box DS - Tube Phono Preamplifier | Tr\u1ea3i nhi\u1ec7m c\u00e1c d\u00f2ng Loa, amply nghe nh\u1ea1c cao c\u1ea5p\",\"isPartOf\":{\"@id\":\"https:\/\/amplichinhhang.com\/english\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/amplichinhhang.com\/english\/wp-content\/uploads\/2016\/07\/pro-ject-tube-box-ds-2.jpg\",\"datePublished\":\"2016-07-27T10:08:00+00:00\",\"dateModified\":\"2016-07-27T10:10:28+00:00\",\"author\":{\"@id\":\"https:\/\/amplichinhhang.com\/english\/#\/schema\/person\/077791427f7beedb2f4ca0b3543cc3bf\"},\"breadcrumb\":{\"@id\":\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/#primaryimage\",\"url\":\"https:\/\/amplichinhhang.com\/english\/wp-content\/uploads\/2016\/07\/pro-ject-tube-box-ds-2.jpg\",\"contentUrl\":\"https:\/\/amplichinhhang.com\/english\/wp-content\/uploads\/2016\/07\/pro-ject-tube-box-ds-2.jpg\",\"width\":700,\"height\":700},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/amplichinhhang.com\/english\/2016\/07\/pro-ject-tube-box-ds-tube-phono-preamplifier\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/amplichinhhang.com\/english\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hifi\",\"item\":\"https:\/\/amplichinhhang.com\/english\/hifi\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Pro-Ject &#8211; 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