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-   -   Helmet amp (http://www.diyaudio.com/forums/car-audio/170685-helmet-amp.html)

fibra 23rd July 2010 08:14 AM

Helmet amp
 
Hi all, my name is Sasha. This is my first post here.
I need to build an headphone amp for the headphones I build into motorcycle helmet. The drivers are scavenged from PC headset, but don`t remember it`s impedance.
It don`t have to be Hi-Fi quality but needs to be powered with single power supply (12-14.2V). Can you recommend some decent compact circuit please.
Last night I`ve built a circuit with NE5532 powered from single 9V battery, but it didn`t worked.

Perry Babin 23rd July 2010 03:42 PM

You may find more/better suggestions on the headphones forum.
Headphones - diyAudio

I Am An Idiot 25th July 2010 02:59 PM

If this project is intended for use on the highway, or any road occupied by other vehicles, I would have to advise against it. Hearing what goes on around you is a really important part of surviving on the road.

fibra 28th July 2010 11:13 AM

Quote:

Originally Posted by I Am An Idiot (Post 2253471)
If this project is intended for use on the highway, or any road occupied by other vehicles, I would have to advise against it. Hearing what goes on around you is a really important part of surviving on the road.

This should be a part of motorcycle intercom system which will have GPS, music and PMR radio inputs.
Such commercial units already exists, and I don`t see any safety problem using it, as long as you keep sound on reasonably level.
There is no difference if you play loud music in your car or motorcycle while driving.

doeboy 5th August 2010 05:30 PM

just make sure ur an organ donor. all motorcycle drivers should be. =]


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