Battery-Powered Speakers Question
Midnighter
Posts: 13
I wish to incorporate some decent, small speakers, no woofer needed. They would be best in about the 6-8 inches height, and be able to plug into a standard computer's RCA port, but otherwise just run using their own internal batteries. I'm looking for this because due to various aesthetic and design issues, something powered for itself I can handle better than trying to plug it into the main power setup and risk short-outs or excessive drain on the batteries.
Does anyone know where I can get my hands on such things? Every time I Google, all I get are all the junky portable speaker systems and require an iPod port to use.
Or better, does anyone here know how, if I can't find these, I could convert them? I've been studying more and more of the engineering on robotics to do this project, and suddenly it occurs to me that I could crack open the speakers and splice their power lines to a simple battery holder, with a switch installed in the circuit to allow the microcontroller to turn them on and off as needed. I'm finally appreciating how dead-simple the overall principles are for converting and tinkering with things, so if anyone can suggest a way to do this if not finding pre-mades, I would be grateful.
Size, price and battery power really are all crucial to be within a limited set of parameters. They don't have to blast the roof off with sound, just enough for people standing a few feet away could hear from it. Does anyone perhaps also know if anyone's done this, perhaps with instructions on a website?
Thanks as always, folks!
Does anyone know where I can get my hands on such things? Every time I Google, all I get are all the junky portable speaker systems and require an iPod port to use.
Or better, does anyone here know how, if I can't find these, I could convert them? I've been studying more and more of the engineering on robotics to do this project, and suddenly it occurs to me that I could crack open the speakers and splice their power lines to a simple battery holder, with a switch installed in the circuit to allow the microcontroller to turn them on and off as needed. I'm finally appreciating how dead-simple the overall principles are for converting and tinkering with things, so if anyone can suggest a way to do this if not finding pre-mades, I would be grateful.
Size, price and battery power really are all crucial to be within a limited set of parameters. They don't have to blast the roof off with sound, just enough for people standing a few feet away could hear from it. Does anyone perhaps also know if anyone's done this, perhaps with instructions on a website?
Thanks as always, folks!
Comments
You can build your own although there are more and more of these now using a Class D amplifier (PWM) now that there are a variety of ICs that do this. An older IC that works well for this sort of amplifier is the TDA1020 (www.btinternet.com/~netsurf/SudburyRC/newcoxamp.html).