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Scan-Speek 4" for 49 cents?

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  • Adam_G
    replied
    Re: Scan-Speek 4" for 49 cents?

    Looks like a lot of fun, thats for sure. Pretty cool results.

    Leave a comment:


  • Sidi
    replied
    Re: Scan-Speek 4" for 49 cents?

    underwhelmed.

    Leave a comment:


  • jbruner
    started a topic Scan-Speek 4" for 49 cents?

    Scan-Speek 4" for 49 cents?

    Alternate thread title: I'm a cutter now!

    I've been trying out driver modifications on some old NSBs.


    Sample2

    I baselined 4 drivers and they were pretty much identical.

    Here is the response of sample 1 before and after Revelator style cut and glue job.


    Blue is modded, brown is baseline. I added a small piece of duct seal to the slit dust cap to smooth the top octave on this one. Sample 1-



    The net result is very impressive. The primary break-up is reduced by 11dB, distortions of all orders are lowered, and subjective sound quality is much improved.

    In other words, there is no downside, unless you like the sound of paper cone break-up.
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