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It’s that time audio enthusiasts! Registration for the 2019 Speaker Design Competition is now open! Visit midwestaudiofest.com for details and to list your speaker project. We are excited to see all returning participants, and look forward to meeting some new designers this year, as well! Be sure your plans include a visit to the Parts Express Tent Sale for the lowest prices of the year, and the Audio Swap Meet where you can buy and trade with other audio fans. We hope to see you this summer! Vivian and Jill
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New Dayton Mini Passive Radiators Test with 2'' Peerless by Typhany 830983

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  • New Dayton Mini Passive Radiators Test with 2'' Peerless by Typhany 830983

    https://youtu.be/FzJXXM4PMsk
    https://youtu.be/4RJrJuH3Psk

    ​Any help with filtering or attenuation to really get this to sound better. Or other driver recommendations would be welcome!

  • Jake
    replied
    Originally posted by Danger dad View Post
    https://youtu.be/FzJXXM4PMsk
    https://youtu.be/4RJrJuH3Psk

    ​Any help with filtering or attenuation to really get this to sound better. Or other driver recommendations would be welcome!
    You could try a .2mh or .3mh inductor wired parallel with a 1.7 ohm resistor. Connect to the positive lead of each* speaker for 2-3 db of bs.

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  • Danger dad
    replied
    Also very Amazed with the off axis performance! These drivers could work very well for Bluetooth speakers.

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  • Danger dad
    replied
    They are ND-65PR's I do need better recording equipment and a better listening room! I have three girls and my garage was the quietest spot in the house...I used WinISD to model the enclosure to slightly boost the lower a bit but still pretty flat.
    ​I do enjoy how big it sounds! Bass output could be better but this is just a test box. I never done anything with passive radiators and just kinda playing around. The highs are amazing a bit much at times but they are unfiltered at this time. The 15w x2 amp is a good fit for these speakers as you can almost get 100 volume before any hint of breakup. I would like to tame down the highs a bit.

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  • tomzarbo
    replied
    Judging from the slow-mo portion, the PR appears to be moving opposite the active drivers, which at/near driver resonance is normal behavior for a PR setup.
    Often small single driver speakers will use a 'contour' filter to smooth out the response. You'd need an omnimic or something similar to measure the response, then devise the filter to take away the 'nasties.' I'm assuming it's not the bass that is the issue? Did you simulate this box at all, or just messing around/playing a hunch? Which PR is that? Looks to be the 65PR?

    TomZ

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  • philthien
    replied

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