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Thread: Bike - stereo

  1. #1
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    Bike - stereo

    One of my dreams has come true. I got a pair of speakers from JVC LCD TV with a sound so surprising that their further purpose was made clear.
    They are 3 cm in diameter and they come in miniature plastic boxes. There is a concave spheric aluminium membrane and no paper in the speaker. So I made a holder with a 2 x 5W amplifier and some grilles for the speakers and the summer alternative for the headphones is finished. The holder works as a radiator for the amplifier and the whole set can be attached or removed by turning one screw. The volume is controlled directly by the mp3 player.
    You can't believe the sound until you hear it. It's really capable of producing BASS sound (from 50Hz up)and it really doesn't sound any "plastic" - it doesn't have any resonance frequency.
    Of course, when riding in strong wind, i can't hear any bass sound, but it's the same with my headphones.
    I normally use Koss Sporta Pro and the sound of the speakers is pretty much similar.

    So I took some photos. As you can see, it's the accessory of my complex bike system described in the other thread. The hub dynamo is capable of powering those speakers completely - they don't consume the maximum power all the time.

    http://img181.imageshack.us/img181/9064/1001011kq0.jpg
    http://img148.imageshack.us/img148/901/1001012zz0.jpg
    http://img149.imageshack.us/img149/6576/1001013cx9.jpg
    Last edited by radek; 02-27-08 at 02:46 PM.

  2. #2
    **** that mattm's Avatar
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    sounds awesome, but i can't load the pix!
    cat 1.

    blog

  3. #3
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    Quote Originally Posted by mattm View Post
    sounds awesome, but i can't load the pix!
    Oops, don't know how that happened - but it's fixed now, enjoy!

  4. #4
    Flying Under the Radar X-LinkedRider's Avatar
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    Yeah it's pretty cool. But when you consider they have pretty nice earphones that weigh nothing, or single eared phones, so you can still have an ear on the road. Just seems like extra weight, no?
    12' SuperiorLite SL Pro w/ Sram Rival | 10' SuperiorLite SL Club w/ Sram Force | 06' Giant FCR (Dropbar) w/ Shimano 5700 | 10' GT Avalanche 3.0 Disc

  5. #5
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    Quote Originally Posted by X-LinkedRider View Post
    Yeah it's pretty cool. But when you consider they have pretty nice earphones that weigh nothing, or single eared phones, so you can still have an ear on the road. Just seems like extra weight, no?
    Yeah, you're right. I like my headphones more, no doubt. Especially now when it's cold, I can't do without them when commuting. But there are some people who don't like headphones and I wanted to show them what's posible to do. And the sound is so impressive that I started to like it even more.

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