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DaveFred
About
- Username
- DaveFred
- Joined
- Visits
- 1,594
- Last Active
- Roles
- Veteran
- Points
- 272
- Invited by
- Bryan@MAC
- 17
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Comments
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(Quote) Actually, this XO makes more sense to me as to what is expected and what is going on. Thank you, David.
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I always hate asking for clarification on Ben's Challenges, makes me feel dumb that I am never sure if what I have in mind fits the criterion. -- One Full Range driver, no high pass allowed on it, running more or less full out, just maybe a notch …
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(Quote) Why do I think you are talking to me... :)
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Wolf, DId you get further with the AMTHR-4? Curious what you feel an XO point would be for it? David.
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(Quote) Do you think anyone would even question XO points or slopes if you just made them up on the spot? (if the speaker is any way half decent...)
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(Quote) Exactly, do I really want to let them know before hand just how bad the frequency response is? :)
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Wait> @DrewsBrews said: (Quote) Wait, what?
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(Quote) Did you mean weren't? I saw several people hand the judges info sheets on their builds, I am not sure I saw one of them take a look....
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Everyone finished their Entry? I'm still building crossovers... :(
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(Quote) Yes, got tired of 1 ohm garbage ones, so I made my own, Forget which ones I specifically used, but something like this, https://www.digikey.ca/en/products/detail/mueller-electric-co/BU-60CS/304598
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(Quote) Lol! I was at least testing.... :) (Image)
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I'm still working my XO for my Entry....
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I might actually end up building something under 50lbs this time... :)
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What I find most funny here is, what I thought would be an over done combo, turns out, has not been done! :) Thanks for posting all the past winners, your search skills > my search skills.
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Do you recall any of the driver choices? Curious which ones have been done before, looking to do something different. Obvious is RST28 tweeter, 2" mid dome, 8" reference. Still might try that, but don't really want to do it if it has bee…
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I do like this one, https://solen.ca/en/products/seas-prestige-27tff06-h831-26mm-textile-dome-tweeter (Image) Bolts right up (slight mod) to WG148R David.
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Here is an XO I saved... (Image)
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My brief looking at a couple of old Infinity XO's was that they were sealed in too small a box and woofers loaded with a large series cap.
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If this were a democracy, I would definitely vote against ""Lightweights" - set a weight limit." I don't seem capable of building anything under 50lbs... :)
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How about, "To Infinity, and Beyond!", must be sealed woofer with dome midrange and ribbon/amt tweeter of some sort, looking like a vintage Infinity speaker. (I did make this suggestion to Ben previously, I just love the look of those red…
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Heck, make the challenge that MidWest audio drivers are required in some aspect. :)
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(Quote) This confuses me, I thought a slope was as slope, which may or may not equate to electrical order. Acoustically there are slopes 6, 12, 18dB, etc, which are 1, 2, 3rd order etc. For electrical, I thought a 6db slope, no matter how you got …
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How about a brand requirement? MCM only?
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Thank you Ben, Chuck and JR (and anyone else I should have mentioned) for putting on the event!
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I just finished up today! :) Ben, Can I get a slot to demo/play my build? Would really like to hear feedback on what people think I got right and more importantly, got wrong. Driving from London tomorrow and should be in Fort Wayne early Friday e…
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With the measurements done and some tweaks done to the crossover, it was time to listen to it, tweak a little more and then build them. Never having really thought about it before, a three way has double the filters of a two way, and with the drive…
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(Quote) Yes, I think it was just a typo on Jeffs part, as he was referring to the only two caps in the woofer circuit. I think it depends on the amp. For testing I am using an Adcom GFA5002 with adjustable gain and I have shut it down with XO mista…
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(Quote) I will chime in with my two cents, and then wait for the more experienced to correct me. Jeff Bagby pointed this exact problem out to me a number of years ago when I would do this on a woofer to supress cone breakup, (Image) Just canno…
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I like my Adcom GFA-555 II's...
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@Wolf I redid the top end and I think this corrects the problem you were describing. (Image) Going to put this one together and start testing/listening...