{"product_id":"6j1-valve-tube-preamplifier-board-module-bass-on-musical-fidelity-diy-kit-with-case","title":"6J1 Valve Tube Preamplifier Board Module Bass on Musical Fidelity DIY Kit with Case","description":"\u003cstrong\u003eSpecifications:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e Name: 6J1 Valve Tube Preamplifier Board DIY Kits  \u003cbr\u003e Model: 6j1 tube (can replace the model 6AK5, 6AU6,5654, etc.)  \u003cbr\u003e Channel type: 2.0 \/ Stereo  \u003cbr\u003e Working voltage: AC12V 0.8A or above  \u003cbr\u003e Power connector: 5.5 x 2.5 plug  \u003cbr\u003e Board Dimensions: Width 77mm x Depth 75mm x Height 57mm  \u003cbr\u003e   \u003cbr\u003e   \u003cstrong\u003eFeatures:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e 1.AC 12V input: DC5.5 * 2.1 socket, with AC 12V transformer, if you want to use plug-free AC 12V transformer, you need to wire the power cord soldered on the circuit board. Remember: can not use DC power input, otherwise it does not work!  \u003cbr\u003e 2.Channel input: for the audio signal input, you can connect the phone, computer, M3, MP4, and other music players.  \u003cbr\u003e 3.Channel output: for the audio signal output, can be connected to the amplifier, power amplifier board audio signal input.  \u003cbr\u003e 4.Power switch \/ Volume knob: Turn the knob counterclockwise to begin lowering the volume. When the volume is turned to the minimum, if you continue to rotate until the tick is heard, the power is off and the indicator is off. In the closed state, Clockwise rotation, hear the tick, the indicator light, that power has been turned on, then the volume is minimal, and then continue to clockwise rotation is to increase the volume.  \u003cbr\u003e   \u003cbr\u003e   \u003cstrong\u003eHow to use:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e 6J1 tube buffer 0.85 times magnification enlarge, connect the sound source and the former level or after the class,  \u003cbr\u003e can effectively filter digital flavor, the human voice is relatively good.  \u003cbr\u003e Notice:This is DIY Kits, with case,you need assemble it by yourself!  \u003cbr\u003e   \u003cbr\u003e   \u003cstrong\u003ePackage included:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e 1 x 6J1 Valve Tube Preamplifier Board DIY Kits  \u003cbr\u003e 1 x case  \u003cbr\u003e     \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/17\/19\/2e48471f-0710-46dd-9c8d-10dedce0c14b.jpg\"\u003e   \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/CF\/16\/119469be-36a1-4d94-9585-cf9bfb398d04.jpg\"\u003e   \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/92\/A3\/628d9307-b8e5-47d7-af26-42dc00f0f395.jpg\"\u003e   \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/B4\/1C\/b73fa46c-4349-4bbe-910e-dfcbed1f331a.jpg\"\u003e   \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/02\/D9\/8c9b01b7-80a6-415e-a08f-da7f7543eb0f.jpg\"\u003e   \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/54\/2F\/eafd53e5-e2de-40d8-987c-4b5fc4c86345.jpg\"\u003e   \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/6D\/37\/a6664ba9-7610-4f5d-b328-6a148d343109.JPG\"\u003e   \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/0B\/54\/c9f4648f-a3d5-43a1-868f-207410d1a7ca.JPG\"\u003e   \u003cbr\u003e    \u003cbr\u003e    \u003cimg src=\"https:\/\/imgaz.staticbg.com\/images\/oaupload\/ser1\/banggood\/images\/3E\/AB\/2c4307f3-0813-4dd5-8863-f3688001ad62.jpg\"\u003e   \u003cbr\u003e","brand":"ZHIQIAN","offers":[{"title":"Default Title","offer_id":43935637635267,"sku":"ZHIQIAN-017035","price":544.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/4355\/1683\/files\/a6664ba9-7610-4f5d-b328-6a148d343109.jpg?v=1725945485","url":"https:\/\/wrsss.com\/products\/6j1-valve-tube-preamplifier-board-module-bass-on-musical-fidelity-diy-kit-with-case","provider":"Wrsss","version":"1.0","type":"link"}