{"product_id":"aiyima-upgraded-6a2-tube-preamplifier-amplifiers-hifi-preamp-bile-buffer-audio-amp-speaker-sound-amplifier-home-theater-diy","title":"AIYIMA Upgraded 6A2 Tube Preamplifier Amplifiers HiFi Preamp Bile Buffer Audio Amp Speaker Sound Amplifier Home Theater DIY","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003eAIYIMA Upgraded 6A2 Tube Preamplifier Amplifiers HiFi Preamp Bile Buffer Audio Amp Speaker is a electronics product selected for electronics repair, testing, prototyping and project work. It is suitable for electronics users, repair technicians and maker project builders who need practical electronics hardware for reliable project work.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eelectronics repair, testing, prototyping and project work\u003c\/li\u003e\n\u003cli\u003ebench electronics, DIY projects and maker workflows\u003c\/li\u003e\n\u003cli\u003eElectronics testing, repair, prototyping and maker workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e It is intended for electronics users, repair technicians and maker project builders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check before buying?\u003c\/strong\u003e Review the product options, specifications, included accessories and compatibility details on this page.\u003c\/p\u003e\u003c\/section\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eProduct description:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eThis product is a tube pre-amplifier and needs to be connected to an active speaker or power amplifier.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eIt cannot directly connect speakers and passive speakers, headphones, phono amplifiers, cars.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eProduct name: tube preamplifier\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eTube: 6A2(The tube is disassembled)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003ePower supply: DC12-16V, current 1A or more (DC12V 1.5A supply power is recommended)(without supply power)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003ePower socket: DC3.5\/5.5*2.1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eProduct support replace tube: 6J1 6J2 6J3 6J4 6J5 6A2 6K4 6K5 6AK5 6AU6 6BA6 6BD6 EF93 6K7 GE5654 etc.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003ePre-stage magnification: voltage magnification 5 times\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003ePre-stage frequency response: 5HZ-500KHZ\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003ePre-level sensitivity: 3V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eAudio input: low-level signal input such as mobile phone, CD, computer, TV, MP3, etc.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eAudio output: connect to power amplifier or active speakers\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eSize: 87*75MM\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eNote:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eThe tube preamp is a class A amplification state.. It is recommended to use shielded wire for the signal wire. Common wires may cause leakage or noise.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eThe high-fidelity lift can be adjusted freely, and the three-gear adjustment with a wave switch.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eThe switch on the far left is \"Hi-Fi.\"\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eSwitch in the centre is \"Boost 1\".\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eThe switch on the far right is \"Boost 2.\"\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003eNote:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e1. If the signal line is not shielded or the power supply is not well filtered, noise may be generated. It is recommended to use shielded wires and a clean power supply for testing.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e2. The tube buffer is amplified by about 5 times. The pre-amp has an amplification function, which is connected between the audio source, the pre-amp and the power amplifier. The noise from the audio source is amplified, so please use a good audio source to test.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003ePackage included:\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 18px;\"\u003e1Pcs 6A2Tube Preamp(optional)(without supply power)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sdf6797383b53453682cd1ec16bd3c53eK.webp?v=1769676631\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S6cabe1a6ee3d45fabae8c13cc5630be96.webp?v=1769676631\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S4a18399b999d4ddab5fe23db048d2d88v.webp?v=1769676631\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Seb4df12372bf4971bac01163d3c22816J.webp?v=1769676631\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sc1d8bd86d71a4878b66f9591b80bd86cK.webp?v=1769676631\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S8ba9d0de48414834bae5dfaeee9af980s.webp?v=1769676631\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/p\u003e","brand":"AIYIMA","offers":[{"title":"Default Title","offer_id":47303957152002,"sku":"TFZ-AIYIMA-AIYIMA-UPGRADED-6A2-TUBE-152002","price":21.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sdf6797383b53453682cd1ec16bd3c53eK.webp?v=1769676631","url":"https:\/\/tufzen.com\/products\/aiyima-upgraded-6a2-tube-preamplifier-amplifiers-hifi-preamp-bile-buffer-audio-amp-speaker-sound-amplifier-home-theater-diy","provider":"TUFZEN","version":"1.0","type":"link"}