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C-Note MT Bookshelf Speaker Kit Pair & Other kits

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  • emmettbrown
    replied
    Thanks for the feedback Geoff & Waltzilla.

    Waltzilla, did you do the capacitor mod to your crossovers ? Do you find the sound fatiguing at all ?

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  • Waltzilla
    replied
    I have A/B my C-notes against some Klipsch R-15m. The C-notes put out higher SPL than the klipsch at a given volume setting. I felt the mids were cleaner and there wasn't the bass bump in the bottom end. My friend who was listening with me commented that the klipsch had "more bass". But to me they sounded boomy and not as clean.(the klipsch).

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  • Geoff Millar
    replied
    I haven't built this speaker, but the reviews are very good, especially considering the price. In Australia, even counting shipping - very expensive - these would be about A$220: the cheapest KEF speaker here is about A$500 per pair and to my ears they don't sound that good.

    Apart from appearance, and you could get a kind cabinet maker to make and finish the cabinets for you, a well sorted DIY design will outperform a commercial speaker at the same price point, at least, in the Australian market where mark ups and shipping are relatively high. 'Budget' commercial speakers such as the Pioneer Andrew Jones series are about twice the price here as in the US.

    Of course there is a hidden cost in DIY: your labour, but if you regard it as a hobby, your time is free

    Geoff

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  • emmettbrown
    replied
    I'm genuinely curious about this speaker.
    Has anyone compared this to anything thats non DIY and commercially available ? Kef bookshelf ?
    Last edited by emmettbrown; 11-07-2017, 04:42 PM.

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  • scottvalentin
    replied
    I don't think a $100 kit is where you need to shell out the extra money for special caps. The extra money could be used for a kit with better drivers or to upgrade your front end (DAC, source, amp, etc.) when such caps really make a difference. Just where I would put my money before I would spend it on capacitors.

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  • needHifi
    replied
    I would like to upgrade the crossover caps to ClarityCap or Mundorf, but the 5.1uF value is not available. Would using 4.7uF change the response significantly, or should I do 4.7uF and .47uF in parallel to equal 5.17uF?

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  • Chris_Perez
    replied
    Originally posted by kenrhodes View Post
    Anyone mounted the WF60PA in one of these yet? how did you mount the IR sensor and led's?

    Hey Ken,

    I mounted one in my pair at home. For the IR sensor I started by drilling an 1/8" deep recess in the front panel with a 7/8" spade bit (perfect fit for the IR window).Then I used a 5/8" spade bit and drilled the rest of the way through the front panel. For the sensor module I just used hot glue to hold it in place in the 5/8" hole and then pretty much coated the back in hot glue to ensure a good seal. The baffle is just thick enough that the IR window will mount flush without touching the LED or sensor. Then glue the window in place, I used 4 tiny dabs of hot glue.

    When I designed the enclosure I made sure the the port was high enough that the amp will just fit in the back while leaving enough room for the crossover to mount on the bottom panel of the enclosure. You want the amp as close to the port flange as possible. The WF60PA is pretty much a perfect match for the C-Notes.


    -Chris P

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  • kenrhodes
    replied
    Anyone mounted the WF60PA in one of these yet? how did you mount the IR sensor and led's?

    Leave a comment:


  • jhollander
    replied
    +1 on the color

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  • AlexRivera
    replied
    Hi All, I ended up finishing a pair of these over the weekend, I used Acry-Tech Ultra Deep Tint Base and tinted it in Sherwin Williams' Adriatic Sea color, I love that color and makes speakers blend easily with modern furniture and deco. That coating has endless possibilities and is extremely easy to apply, used less than 1 pint of material on this pair. The color ended up being the "color of the month", I was not aware of it, perhaps the pictures can be misleading but you can take a look at the video https://youtu.be/yLaZL8sGYE4 Will see what I do with the other pair... Sent from my iPhone using Tapatalk

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  • djkest
    replied
    I'm not ready for a full evaluation of the sound of the C-notes yet, as they really haven't had a fair amount of time to break-in yet; but I do have one observation. The bass these things put out in small-to-medium sized rooms is very nice. It won't replace a dedicated subwoofer, but it's clean and deep. I've been listening to some Jazz from Louis Armstrong, Dianna Krall, and Norah Jones- it plays the upright bass nicely.

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  • djkest
    replied
    I added ~1/2" chamfers to all the sides. I also increased the front roundover just a bit, and then sanded a more gradual roll-off on the front. I am sealing the seams with bondo glazing putty (have some lying around) and then I will probably seal them with sanding sealer before hitting them with primer.

    ETA: Went all over town and couldn't find the 0.11" female disconnect terminals anywhere. I should have just ordered some from Parts Express! This is my major hang-up right now.
    Last edited by djkest; 06-12-2017, 03:13 PM.

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  • djkest
    replied
    These cabinets are pretty solid with 1/2" MDF, and they aren't real big obviously. So of course I had to improve on them slightly. We want some additional stiffness without taking away much internal volume. I cut some strips of 3/4" void-free plywood, 1" wide. The first brace goes side-to-side roughly in the center of the largest panel. The 2nd brace goes front-to back providing much more support for the thinnest, most vulnerable part of the front baffle. It barely fits on this narrow area turned sideways, and should provide some much-needed support. The 2 braces consume 11.25 in^3 or 0.184 liters out of the roughly 8.5 liters of net volume. The enclosures are still adequately large for this woofer based on my simulations. The volume change isn't enough to effect the tuning of the enclosure

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  • Evan Steeves
    replied
    As Wolf mentioned, I also zip tie everything first, then solder and test, then hot glue gun to ensure maximum longevity of the crossover.

    Kids are a wonderious thing, their imaginations not yet hindered by the standard rules/regulations/norms imposed on them throughout the many years of school and societal pressure :P Sometimes I miss being a kid!

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  • Wolf
    replied
    I strap them to peg board with zip-ties. E6000 is my adhesive choice if necessary.

    Later,
    Wolf

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