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Seriatim from InDIYana and MWAF

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  • HiHoSilverado
    replied
    So, I have been listening to my Seriatims for about a year and have honestly not been very satisfied with the sound. Compared to my Zaph SR71s, they sound muffled and flat, almost like they are playing behind a heavy blanket. If I crank up the volume and sit directly in the sweet spot, the tweeter seems to come out more, but the high end is just not what I expect from a design of this cost. I took the stuffing directly behind the woofer out of the cabinet, which helped open up the lower midrange response a lot, but at the cost of some increased boominess. This is great for electronic music and rap, but not so much for jazz. That said, some of my favorite vocal recordings really shine on these. I have checked over the crossover to confirm that I followed the design correctly, so I am thinking the next step is to start tweaking parts. I plan to start by swapping out the 8ohm resistor on the tweeter circuit to a lower value to increase sparkle. Any other ideas would be appreciated.

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  • Derekj
    replied
    Good job - love the stands!

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  • HiHoSilverado
    replied
    Thanks, everyone. This was my 3rd build and definitely the most challenging. I really enjoyed the creative aspect of reusing the desk legs and still have another side of the desk to work with, so they will likely be integrated into a future build. Sent from my iPhone using Tapatalk

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  • ScottK@PE
    replied
    Great job man. The repurposed stands are a great idea, honestly.

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  • thekorvers
    replied
    Wow, very nice!

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  • jhollander
    replied
    +1 they look great

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  • DohBCooper
    replied
    Looks fantastic.
    Love the stands.

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  • HiHoSilverado
    replied
    I finished my Seriatims! I am already happy with the sound, but will give listening impressions after they have had a month or two to break in. My wife challenged me to match the look of the room and I think I pulled it off pretty well. Sent from my iPhone using Tapatalk

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  • jhollander
    replied
    Well, ready for basic testing anyway. Do the battery test to make sure the woofers move the same direction. Do low volume listening with your ear next to each driver to make sure they sound the same.

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  • HiHoSilverado
    replied
    I used 1 inch Roxul AFB from ATS Acoustics for the insulation.

    https://www.atsacoustics.com/item--Roxul-AFB--1281.html

    Per the original design, I installed 1 inch on the sides, top and bottom, and doubled it up on the back. I cut the Roxul about 1/4 inch oversized for each panel and squeezed it into place, starting with the sides followed by the top, bottom and back. I used the port tube like a cookie cutter to cut the circular holes in the back panels. With all of the panels installed, I shook the cabinet a few different directions to see if the insulation panels would dislodge. They all seem pretty secure.

    Next step is to cut and install the 2" P/E adjustable port to 9cm, then glue down the baffles, screw in the drivers, and the speakers should be done!

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  • jhollander
    replied
    The Roxul stuff I had was dirty and hard to hold in place. I used the poly "batting" to hold the Roxul in place. That looks like plenty of insulation.

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  • HiHoSilverado
    replied
    Roxul installed. What does the poly batting do over and above the Roxul? I have poly stuffing on hand, could I use that instead? Thanks again for the great design package and all of your help. Sent from my iPhone using Tapatalk

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  • jhollander
    replied
    Those look really nice.

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  • HiHoSilverado
    replied
    Missing jumper installed. Sent from my iPhone using Tapatalk

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  • HiHoSilverado
    replied
    Wow, great catch. Thank you! I am so glad you caught that before I put them in the cabinets. I got the cabinets mocked up today for the first time. I think the oak looks great with the warm white paint. I am up cycling some old desk legs for the stands that will also be white and oak. Hopefully, I will be able to do final assembly on the cabinets this week. The stands probably won’t get done before Thanksgiving though. I am really looking forward to listening to these! Sent from my iPhone using Tapatalk

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