{"product_id":"upgraded-6a2-tube-preamplifier-amplifiers-hifi-preamp-bile-buffer-audio-amp-speaker-sound-amplifier-home-theater-diy","title":"Upgraded 6A2 Tube Preamplifier Amplifiers Hifi Preamp Bile Buffer Audio Amp Speaker Sound Amplifier Home Theater DIY","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5834b20535a14cc79059c9d21964289eC.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProduct description:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\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\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt cannot directly connect speakers and passive speakers, headphones, phono amplifiers, cars.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProduct name: tube preamplifier\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTube: 6A2（The tube is disassembled）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower supply: DC12-16V, current 1A or more (DC12V 1.5A supply power is recommended)(without supply power)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePower socket: DC3.5\/5.5*2.1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\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\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePre-stage magnification: voltage magnification 5 times\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePre-stage frequency response: 5HZ-500KHZ\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePre-level sensitivity: 3V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAudio input: low-level signal input such as mobile phone, CD, computer, TV, MP3, etc.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAudio output: connect to power amplifier or active speakers\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSize: 87*75MM\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\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\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe high-fidelity lift can be adjusted freely, and the three-gear adjustment with a wave switch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe switch on the far left is \"Hi-Fi.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSwitch in the centre is \"Boost 1\".\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe switch on the far right is \"Boost 2.\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\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\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\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\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePackage included:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1Pcs 6A2Tube Preamp（optional）(without supply power)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S452c9ce01bdf48a19fffec8b480e39abm.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S018db9e28c6c47ffb3ea0870be84ad6fN.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sefbd480ee8424391a98f4f99ef1f2bbf4.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9c72df4f4c4a4edc905262e4a26c209ee.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S87557ccd793441d3809aedf39cfa65aa9.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S58eecf8614a84dbe889d6616dde05dbbT.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se8d0f96012494736b5bd678852edb492l.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb6262d196b294594b2927f9f4981a60do.jpg\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Seae95e450f8e46cb9496def01b04aa9c6.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CHERISH LEWIS","offers":[{"title":"Default Title","offer_id":56965422023039,"sku":"1005006132468731","price":19.4,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/cherishlewis.co.uk\/products\/upgraded-6a2-tube-preamplifier-amplifiers-hifi-preamp-bile-buffer-audio-amp-speaker-sound-amplifier-home-theater-diy","provider":"CHERISH LEWIS","version":"1.0","type":"link"}