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Thread: Here my new creation: 10' bass and midbass woofer for small PA

  1. #1
    diysmps Senior Member Lira's Avatar
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    Thumbs up Here my new creation: 10' bass and midbass woofer for small PA

    Here is it!









    Look at the size of the magnetic assembly!
    Studying electronic engineering
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    Crazy for biiiiig speakers

  2. #2
    diysmps Senior Member Lira's Avatar
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    The last 4 pictures!









    It has a 77,00mm voice coil made of kapton and a magnetic assembly of 198mm, 8ohms for a small pa box.

    Later I´ll post some tests on youtube.
    Studying electronic engineering
    Fanatic for audio
    Crazy for biiiiig speakers

  3. #3
    diysmps Senior Member erhan739's Avatar
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    oh, ı love it especially its cone good job lira, and these are mine do you will like them
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    Last edited by erhan739; 05-14-2011 at 11:14 AM.

  4. #4
    diysmps Senior Member Lira's Avatar
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    I Like that big black one, wow! almost 220mm of diameter... it is a 15'? And that amp with acrilic case, wonderfull work, hope you don't mind if i copy your idea on my amp!

    I saw one of your pics, there is a SMPS, i never built one, do you have anyone that is simple to build for a starter on SMPS?

    Thanks in advance!
    Studying electronic engineering
    Fanatic for audio
    Crazy for biiiiig speakers

  5. #5
    diysmps Senior Member Lira's Avatar
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    I forgot to mention, i need it for about 45v 0 45v DC 10A to power 2 TDA7293.

    Thanks
    Studying electronic engineering
    Fanatic for audio
    Crazy for biiiiig speakers

  6. #6
    diysmps Senior Member erhan739's Avatar
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    dear lira, big black one 15 inches 20cm magnet and it have 4 inc voice coil with aleminium - flat winding and its brand is Electro-voice marine serie. ı've done transparent amp 2 years ago... changed insided amp 3 mont ago... with JBL pay attention with pasive crosover... it is 3315's passive only mid/hi section it is 18db/oct

  7. #7
    diysmps Senior Member erhan739's Avatar
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    and ı've a smps circuit but ı don't tried on audio circuits ı can't have enough time from my job
    you can ask our admin about smps, he can help you happily.
    Last edited by erhan739; 05-17-2011 at 11:02 AM.

  8. #8
    diysmps Senior Member Lira's Avatar
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    Hi, just a small update: I have finished assembling the speakers, they are now on pink noise for 72 hours, I,ll edit the videos and photos and post here soon!
    Studying electronic engineering
    Fanatic for audio
    Crazy for biiiiig speakers

  9. #9
    Lira that such a wonderfull job wish i could get the parts to try and fabricate my own drivers

  10. #10
    Dear Lira hi,
    please,can you explain, what is the benefit of Horn type sub woofer cabinet. what is the best cabinet for outdoor DJ.

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