{"product_id":"hifi-lm3886-tf-mono-68w-4-audio-power-amplifier-board-amp-50w-38w-8","title":"HiFi LM3886 TF Mono 68W 4 Audio Power Amplifier Board AMP 50W\/38W 8","description":"\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eLM3886 is a mono audio power amplifier chip, using an 11-foot TO-220 package, the back of the \"TF\" suffix is ?銀�鞠ully insulated package meant. \u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eAnd compared to LM1875T, LM3886 is more powerful, at the rated working voltage up to 68W continuous average power without distortion, also has a relatively perfect over-voltage over-current overheating protection function, in addition it has a current anti switch automatically when shock function, the speaker may be possible to avoid current surge when the amplifier power is turned on causing injury.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eLM3886 performance parameters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eVCC = ± 28V OUTPUT = 68W \/ 4Ω, 38W \/ 8Ω\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eVCC = ± 35V OUTPUT = 50W \/ 8Ω\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003ePeak power: 135W\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eSNR: ≥92db\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eConversion rate: 19V \/ us\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eIntermodulation distortion: 0.04%\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eMute function\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003eSPiKeTM protection\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eThe amplifier board has the following characteristics:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1. Using double-sided alignment, careful layout, signal input portion away from the output section.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2. Part of the coupling capacitors for longer minimum pad 5mm, the maximum suitable for the capacitor of 25mm.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3. The input section added high pass circuit, making the board more stable!\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4. The output part RL circuit (inductance and resistance in parallel) effective protection chip, effectively preventing the induced electromotive force shutdown speaker damage to the chip!\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5. The board use a DC power supply, voltage range: ±16 to ±36, recommented ±32V.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e6. PCB size: 74 x 50 x 1.6mm\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003eInstallation note:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e1. The amplifier board can not be directly connected to a transformer output connected to the power supply board first, and then to the power supply part of the board from the power board output, pay attention to positive and negative level not be wrong!\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e2. The plate use DC power supply, speaker output impedance smaller current increases, the greater the heat, it is recommended when the speaker is 4Ω, the voltage suggested the use of ± 28V (transformer dual 21V), the speaker of 8Ω voltage ± 32V (transformer dual 24V), the highest possible ± 35V (transformer dual 28V), but pay attention to the local grid voltage is stable, it is recommended not to use.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e3. When the power test, the signal input on the board to take the load, can not be vacant, otherwise there will be induction noise, the signal line to make use of shielded cable.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e4. Be sure that the board chassis of the housing is connected to the input ground, backward input GND do not need to connect the housing.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:14px;\"\u003e5. The board is Mono channel, stereo need 2 piece, you can also assemble multichannel accocding to your own needs.\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cstrong\u003ePackage include:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\n\u003cspan style=\"font-size:14px;\"\u003e1 x  HiFi LM3886 TF Stereo Amplifier AMP Assembled Board\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"http:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/0B\/A9\/bfa67b7a-8175-42a2-9f8b-7717808dbbb0.jpeg\"\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"http:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/48\/F4\/2c2ac33d-cd1e-4745-9209-ac169f20b4ef.jpeg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"http:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/DA\/B5\/dbc3687d-2495-48a1-a170-776a36078de4.jpeg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"http:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/49\/30\/f0d9c8e7-2a8b-4755-aa5d-5a436424d55a.jpeg\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg alt=\"\" src=\"http:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/1E\/14\/ccaffbef-4805-4ce6-8652-66e06d7676cb.jpeg\"\u003e","brand":"Shopify","offers":[{"title":"Default Title","offer_id":14151157121068,"sku":"1190627","price":750.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2787\/9162\/products\/53951bb7-3cd4-4acc-8c9f-369b705dc88f_2be8e1e5-41ef-4f9f-8b52-d3b0237e77f9.jpg?v=1586875823","url":"https:\/\/electronic-pro-south-africa.myshopify.com\/products\/hifi-lm3886-tf-mono-68w-4-audio-power-amplifier-board-amp-50w-38w-8","provider":"Electronic Pro ","version":"1.0","type":"link"}