How to amplify the sound of a speaker.

Question

Hello, I would like to use a pair of speakers (13KW, 8 ohms) to directly listen to an mp4. I have the system to do it but the sound coming from the speakers is weak. I think this is normal because it’s usually headphones that should be connected. How can I increase this sound? I thought about an adjacent power supply and a transistor but I'm not sure and I don't know the characteristics of the parameters involved or their specifications.    Configuration: Windows 7 / Safari 535.19

vincent14610 · Accepted Answer

go see the https://www.youtube.com/watch?v=E3_TKRTlV-M

bob · Answer

Hello.  Sure. A bit of electricity, a transistor, some witchcraft, and off we go.  So ...  "How to amplify".  Well, the answer is in the question.  With an amplifier.

babarjo · Answer

I think your problem comes from the impedance of the speakers -- QuadCore Intel Core i7 860, 2933 MHz (22 x 133) 6 GB DDR3-1333 DDR3 SDRAM NVIDIA GeForce GTS 240 (2048 MB) WDC WD10EADS-00M2B0 WDC WD20EARS-22MVWB0 Windows 7 64 bits

Fyah_Fy · Answer

[Homeless DIY amplifier] You can use your PC or a hi-fi system as an amplifier by connecting your "sound" through the AUX or MICROPHONE input.[For DIY home amplifier] check with someone else lol

babarjo · Answer

http://forum.macbidouille.com/lofiversion/index.php/t146988.html -- QuadCore Intel Core i7 860, 2933 MHz (22 x 133) 6 Go DDR3-1333 DDR3 SDRAM NVIDIA GeForce GTS 240 (2048 Mo) WDC WD10EADS-00M2B0 WDC WD20EARS-22MVWB0 Windows 7 64 bits

bob · Answer

@el12127  There are not 36 solutions, there is actually only one. The sound must be Am-Pli-Fied!!  So either with an intermediate amplifier, or with active speakers. So either you buy an amplifier, or you buy speakers.

Char Snipeur · Answer

13kW!!! Well, my friend, if you’re not mistaken, those are some serious speakers! I’m not surprised you can’t get sound just like that. You can DIY an amplifier using transistors. You’ll need transistors (at least two), resistors, and a transformer. Heat sinks too, depending on the desired power. In short, it’s going to cost you more than a used amplifier and the quality will be worse. Just buy a stereo amplifier. The brand and model of your speakers would help us advise you on a type of amplifier. -- True submission is when slaves worry about the price of cotton. Char Snipeur

How to amplify the sound of a speaker.

7 answers

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