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Multi-Way Conventional loudspeakers with crossovers

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Old 6th February 2008, 01:34 PM   #11
JCoffey is offline JCoffey  United States
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*Update*
First off, this thread will be a somewhat diary of my Swifty's. Since I havent really been able to find much about them, maybe this will help.
First off, to anyone who has questioned tryign the kit out, I say go for it. Madisound has been a pleasure to buy from. Shipping has been same day, and in both orders, even thoguh I paid for ground, it arrived next day since Im only a state or two over.
secondly, this kit is a no brainer. I priced out how much the crossover parts would be, from 3 different places, and everytime, it was the same price as just ordering the pre-built ones from Madisound. So I got the prebuilts. These crossovers are top notch. VERY well constructed, and actually pretty heavy too.good quality parts without going esoteric.
Since I am building these into floorstanders, with only the top secion built as the Swifty enclosure, I was able to order 8 Black chrome spikes for less than $10. And nice binding posts for only $1.45 each.
I am in the process of building the enclosures now, and other than a few cutting mistakes just trying to learn my new saw and cutting 45's with it, its been pretty smooth. I will try to take some pics of the crossovers and boxes tonight when I get home.
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Old 6th February 2008, 02:17 PM   #12
sreten is offline sreten  United Kingdom
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Hi,

The only concern I have is the 50R resistor across the tweeter,
a value that will do little except limit supersonic impedance.

Tweeter inductance can lead to an exageration / rising response
towards the top octaves, reducing "50R" and changing "3R" for
level could be used to balance the top octaves.

/sreten.
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Old 6th February 2008, 02:22 PM   #13
JCoffey is offline JCoffey  United States
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Thanks for the advice. Once I get them finished I will play around with changing out the resistors and seeing how much of a difference that will make! Actually thanks for ALL the advice you've given me. Its made me feel alot mor confident about finally after 10 years of wanting to go DIY to do it!
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Old 6th February 2008, 02:23 PM   #14
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I wonder how they will play "Sweet Georgia Brown" --
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Old 6th February 2008, 02:26 PM   #15
JCoffey is offline JCoffey  United States
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Hahaha
Actually I just moved to Decatur,IL, so Im wondering how they will sound playing "Decatur, Or, Round of Applause For Your Step Mother!" by Sufjan Stevens lol
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Old 6th February 2008, 02:32 PM   #16
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Decatur -- we used to call Staleyville "the armpit of Illinois" -- refining sugar being a stinky process -- I wondered if anyone would catch the reference to the Globetrotters and their esteemed center.
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Old 6th February 2008, 02:37 PM   #17
JCoffey is offline JCoffey  United States
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I work for ADM here and trust me, the stink of soybeans is alot worse. I swear this town smells like wet dogfood 24\7. At least they pay me well to fix their computers lol
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Old 23rd February 2008, 07:59 AM   #18
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Default Meadowlark Swift Cabinet Design

I just ordered the same speakers from Madisound and wondered if you ever received information on the interior layout of the original Swift speakers. I know from Web research that the layout was somehow different than a typical TQWT speaker in that the cabinet was intended to have the reverse effect on impedance as the frequency drops.

I would also be very interested to hear what you think of your finished speakers.
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Old 25th February 2008, 03:52 PM   #19
sreten is offline sreten  United Kingdom
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Default Re: Meadowlark Swift Cabinet Design

Quote:
Originally posted by starcaptain
I just ordered the same speakers from Madisound and wondered if you ever received information on the interior layout of the original Swift speakers. I know from Web research that the layout was somehow different than a typical TQWT speaker in that the cabinet was intended to have the reverse effect on impedance as the frequency drops.

Click the image to open in full size.

Hi,

Impedance is similar to a vented box except for a bad line resonance at
200Hz. The results are no better than a vented 15L box tuned to 40Hz.

See green line in attachment to post #3.

/sreten.
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Old 25th February 2008, 06:05 PM   #20
JCoffey is offline JCoffey  United States
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Im working on building the boxes, as I made a few bad cuts with the new "less than acurate" table saw I bought, using Madisounds Dimensions.
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