{
    "version": "https://jsonfeed.org/version/1",
    "title": "Vectis Amplification",
    "description": "",
    "home_page_url": "https://test.vectisamps.com",
    "feed_url": "https://test.vectisamps.com/feed.json",
    "user_comment": "",
    "icon": "https://test.vectisamps.com/media/website/VA-Header.png",
    "author": {
        "name": "Christopher Battles"
    },
    "items": [
        {
            "id": "https://test.vectisamps.com/its-a-switch.html",
            "url": "https://test.vectisamps.com/its-a-switch.html",
            "title": "Bait and Switch",
            "summary": "The VA-105-SW is a five input passive switch with a single output. It provides three RCA inputs and independent front…",
            "content_html": "<p>The VA-105-SW is a five input passive switch with a single output.  It provides three RCA inputs and independent front and rear 1/8\" TRS aux inputs.  A dedicated grounding terminal is provided for the chassis which is decoupled from all the signal grounds.</p>\n<p>Switching is accomplished using a Grayhill series 71 rotary switch that provides excellent crosstalk performance with an pleasant ergonomic.  Both the signal and ground are switched for each input, eliminating potential ground loops.  The VA-105-SW is housed in the same small footprint case as the VA-221-SI with a similar classic look.</p>\n<div class=\"gallery-wrapper\"><div class=\"gallery\" data-is-empty=\"false\" data-translation=\"Add images\" data-columns=\"2\">\n<figure class=\"gallery__item\"><a href=\"https://test.vectisamps.com/media/posts/3/gallery/DSC_3097.jpg\" data-size=\"1806x1292\"><img loading=\"lazy\" src=\"https://test.vectisamps.com/media/posts/3/gallery/DSC_3097-thumbnail.jpg\" alt=\"\" width=\"720\" height=\"515\"></a></figure>\n<figure class=\"gallery__item\"><a href=\"https://test.vectisamps.com/media/posts/3/gallery/DSC_3098.jpg\" data-size=\"1847x1275\"><img loading=\"lazy\" src=\"https://test.vectisamps.com/media/posts/3/gallery/DSC_3098-thumbnail.jpg\" alt=\"\" width=\"720\" height=\"497\"></a></figure>\n</div></div>\n<p>INSERT CROSSTALK PERFORMANCE HERE</p>",
            "image": "https://test.vectisamps.com/media/posts/3/DSC_3097.jpg",
            "author": {
                "name": "Christopher Battles"
            },
            "tags": [
                   "product"
            ],
            "date_published": "2025-11-13T10:18:14-05:00",
            "date_modified": "2025-11-26T10:48:13-05:00"
        },
        {
            "id": "https://test.vectisamps.com/va-211-h.html",
            "url": "https://test.vectisamps.com/va-211-h.html",
            "title": "A Headphone Amp for the Purists",
            "summary": "The VA-221-SI is the fourth generation of Vectis Amplification's headphone amp. The topology utilises the incredible Burr-Brown OPA2134 amplifier. Some&hellip;",
            "content_html": "<p>The VA-221-SI is the fourth generation of Vectis Amplification's headphone amp. The topology utilises the incredible Burr-Brown OPA2134 amplifier. Some of the notable features are:</p>\n<ul>\n<li>Battery or wall power</li>\n<li>Buffered output</li>\n<li>1/4\" and 1/8\" output jacks</li>\n<li>RCA, 1/4\" or  1/8\" input jack</li>\n<li>Switchable signal attenuation of -6 dB</li>\n<li>Switchable gain of 10 or 20 dB </li>\n<li>Stereo or Mono switch</li>\n<li>Switchable sound-stage option</li>\n<li>Small footprint in a classic look</li>\n</ul>\n<p>The VA-221-SI is a single input device with three choices of input.  The priority is 1/8\" TRS &gt; 1/4\" TRS &gt; RCA.  Only a single input should be active during use.</p>\n<p>The sound-stage is designed to reduce listener fatigue by bleeding a small portion of the signal across channels.  </p>\n<p>Because all sources have different output levels, the VA-221-SI is designed with a signal attenuation switch which is useful to attenuate the input signal when high output devices are used.  A typical 0.3 V<sub>RMS</sub> signal will not require any attenuation but a professional output level of 1 V<sub>RMS</sub> will benefit from the 6 dB cut at the input.</p>\n<p>The amplifier works well with a range of headphone impedances.  I currently use it with <span class=\"a-size-large product-title-word-break\">Sennheiser HD 280 PRO headphones at 64 Ohms and </span><span id=\"productTitle\" class=\"a-size-large product-title-word-break\">beyerdynamic DT 990 Pro at 250 Ohms.  The sound is slightly reduced with the higher impedance headphones, but still more than loud enough to hurt.</span></p>\n<p><span id=\"productTitle\" class=\"a-size-large product-title-word-break\"></span></p>\n<div class=\"gallery-wrapper\"><div class=\"gallery\" data-is-empty=\"false\" data-translation=\"Add images\" data-columns=\"2\">\n<figure class=\"gallery__item\"><a href=\"https://test.vectisamps.com/media/posts/2/gallery/DSC_3084.jpg\" data-size=\"1866x1200\"><img loading=\"lazy\" src=\"https://test.vectisamps.com/media/posts/2/gallery/DSC_3084-thumbnail.jpg\" alt=\"\" width=\"720\" height=\"463\"></a></figure>\n<figure class=\"gallery__item\"><a href=\"https://test.vectisamps.com/media/posts/2/gallery/DSC_3088.jpg\" data-size=\"1802x1157\"><img loading=\"lazy\" src=\"https://test.vectisamps.com/media/posts/2/gallery/DSC_3088-thumbnail.jpg\" alt=\"\" width=\"720\" height=\"462\"></a></figure>\n<p><a href=\"https://test.vectisamps.com/media/files/VA-221-SI.pdf\" title=\"VA-221-SI Schematic\" target=\"_blank\" rel=\"noopener noreferrer\">Schematic</a></p>\n</div></div>",
            "image": "https://test.vectisamps.com/media/posts/2/DSC_3084.jpg",
            "author": {
                "name": "Christopher Battles"
            },
            "tags": [
                   "product"
            ],
            "date_published": "2025-11-13T09:29:20-05:00",
            "date_modified": "2025-11-26T10:48:24-05:00"
        }
    ]
}