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DIY Speaker Event in Grand Rapids, MI - Sept. 2019

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  • ernperkins
    replied
    Speaking of Andrew Jones - it was great to see him at the event. A genuinely good bloke!

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  • D, Rose
    replied
    I was really amazed at how great all of the smaller speakers sounded. Maybe part of that low end extension was the room contribution, but so many smaller speakers sounded awesome. If I were an Andrew Jones type swimming around that "pond", I'd be looking for the guy that could take modest parts and turn them into a diamond. Imagine what you guys could do with the R&D budget of a Theil or Pioneer? There was an entire room full of jems in Grand Rapids on Saturday!

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  • 4thtry
    replied
    I think that is enough. There are quite a few more; turnout was huge this year. I'll send the rest to Bryan for the MAC.

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  • 4thtry
    replied

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  • 4thtry
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  • 4thtry
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  • 4thtry
    replied
    A few more random samples:

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  • 4thtry
    replied
    Originally posted by S7910 View Post


    4thtry (Bill S.) took a ton of pictures. He usually posts up a cross section here from the disc he sends Midwest Audio Club for the event archive. I saw a lot of others taking pictures as well, hopefully they post them up.

    Matt
    I ran the jpegs this morning. Here are a few random samples:

    I really liked Craig's Zangers. Cool name. Sound was very liquid and detailed on top, very smooth transition to the woofer. The Zingers sounded pretty good too, but the Zangers had better detail.
    I listened to Charlie's speakers twice, once at Meniscus and then again at the hotel. They sounded much better at the hotel, with a very open, large, non-resonant type presentation.

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  • 4thtry
    replied
    Originally posted by Chris Roemer View Post
    32 fps/sec
    A science experiment as well. Acceleration from frame 2 to 7 in approximately 1.2 seconds!!

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  • Chris Roemer
    replied
    32 fps/sec

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  • D, Rose
    replied
    Hey guys. Thanks for all the kind words. I was really worried about my cabs because I'd changed tweeters, not to mention having such a hard time with the soldering chores after getting them back from the paint shop. Pete did an amazing job on the crossovers, and it all seemed to work out. My entire experience was so positive that I know that if there would have been a problem with my speakers, multiples of people would have offered to help. Everyone was encouraging. I had a great time, and I loved listening to everyones creations. What a great time!!! There was tons of talent on display, thats for sure!!!

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  • 4thtry
    replied
    Many thanks to Mark, Kerry, and Dan for putting on a great event. Enjoyed the roof toss, pizza, conversations, snapping photos, listening, etc., etc. Thanks to Ken for a slightly used mono-block tube amplifier. It uses 6SNT7 octal base input amp/inverted tubes and large 807 power output tubes. Massive power and output transformers. I will see what I can do with this. Also purchased a set of 4 nice SB Acoustics 3/4" dome tweeters from Mark for a future project.


    Pictures?? I only have one picture done so far. Will post more tommorrow. For this one, I used an action sequence technique (often used by pro sports photographers) to capture the roof toss. Just as Mark released the speaker, I burst my camera at 5 fps until the speaker hit the ground.

    CAPTURE INFO:

    Date/Time: 9/20/19 7:10pm Eastern (Sunset was 7:56pm)

    Excellent Light: Partly cloudy, light starting to fall off a little as sunset approached.
    The sun was behind the buildings, which put the subject in open shade.

    Camera: Nikon D800 (36MP full frame) on tripod
    Lens: Nikkor 16-35mm f/4G ED VR
    Shutter speed: 1/1250 second
    Aperture: F/5.6
    ISO: 1250
    Focal Length: 26mm
    Image Quality: RAW
    Focus: Manually prefocused at 25 feet, yielding a DOF from 9 feet to infinity.
    Shooting speed: 5 frames per second triggered with remote release cable.
    Buffer limit: 16 frames at 5 fps when shooting camera RAW (approx 4 seconds)

    POST PROCESSING:

    7 individual pictures merged in photoshop and saved as a multi-shot freeze frame sequence.

    Click image for larger version

Name:	Splatter.jpg
Views:	5
Size:	659.5 KB
ID:	1422010

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  • Navy Guy
    replied
    I'm glad everyone enjoyed the event this year. The turn out was insane! I've been the past 3 years before and it was never close to this. My first year there were probably 8 people on Friday night and maybe 15 on Saturday.

    We've already started considering changes to next years format to make it better. I think the general consensus (myself and Dan included) was that we need to cut down on the amount of time each speaker plays. We are thinking about shooting for 6 minutes total with 3 minutes each house and personal tracks instead of 5/5 min. Based on how big the event was this year, which was very unexpected, and comments on the Facebook group that more people are planning on attending next year, there is some discussion about making this 2 days. The other option would be to guarantee only one spot if you bring more than one speaker and reserve the end of the day if time permits to play additional.

    Unfortunately we didn't really get to conduct the crossover test we were hoping for. We had some issues with the switching unit and also had no time on Saturday anyway. We'll try again at some point in the future with this.

    If anyone has any suggestions on changes they think would make the event better, let us know. We are open to feedback. This definitely doesn't have to be the same format as other events and we are up for trying other things, like maybe not even having a house track.

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  • Jim Holtz
    replied
    Many thanks to Mark, Kerry and Dan for the excellent event. I haven't been to an event since last years Iowa DIY so I was very focused on listening to everyone's speakers. There were many great sounding speakers that I really enjoyed listening to.

    I didn't get to meet several individuals that I wanted too and somehow, it escaped me until near the end that we had an SB rep in attendance. I would have loved to learn a bit more about SB drivers. I regret not meeting everyone but hopefully at the next DIY event.

    Anyway, Excellent job guys and I hope to see everyone at Iowa DIY next month! Curt and I will both be there with the Travelers.

    Jim

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  • Jim Holtz
    replied
    Originally posted by Pete Schumacher View Post
    I've encouraged Ed to finish up these beauties. He says they're ready for paint this week I believe. Acoustic Elegance TD8S paired with Transducer Labs Magnesium or Ceramic domes in an 8" diameter, 1.5" deep waveguide. I think Ed says they weigh in at 125lbs each, not including stands. I know he'd love to get your feedback.
    There were many really excellent sounding speakers at the event and Ed's was among them. You did a superb job on the crossover and his cabinet work is not only unique, it's beautiful!

    Great job by both of you!

    Jim

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