WR.30 MTM new speaker kits - diyAudio
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Old 24th May 2013, 03:54 AM   #1
RAW is offline RAW  Canada
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Default WR.30 MTM new speaker kits

Yes more speaker kits coming to Creative Sound Solutions..
These kits will use the WR125STR drivers with XBL plus the Wavecor TW030WA01 tweeter.These designs around the use of the Parts Express cabinets .50cft Hi-Fi Speaker Cabinets in the Speaker Components Department at Parts Express | 288
Dayton Audio TWC-0.50CH 0.50 ft³ 2-Way Curved Cabinet Cherry 302-723

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This new WR.30 kit will come with a pair of CNC PRE-MACHINED yes you are reading pre-machined driver holes.With the drivers all cut the back of the baffles radius around the driver holes for max acoustic benefit.Enjoy the easy assembly of a complete speaker with the PartsExpress cabinets, the WR.30 kit can be assembled in a few hrs time.
Here is a sample photo of the PRE-Machined baffle beside the cabinet.

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Woodworks who want to build the cabinets not to worry the PRE-MACHINED CNC baffles included in the WR.30 speaker kit can be used on your speaker cabinets you build and if you do not like the satin black finish provided on all the PRE-MACHINED baffles you are welcome to sand the finish and apply your own finish.

With this kit I have designed WR.30 speaker kit a few ways for some HOME THEATER customers.
#1 Sealed MONITOR with a FS of 92hz for the home theater crowd as well those who like to use the sealed design matched with a SDX12 combo.
#2 Sealed WALL MOUNT for home theater use
#3 Ported MONITOR

The base line price for these kits will be in the $249.00 range for a pair!! Yes a pair
including
4-WR125STR drivers
2- WAVECOR TW030WA01 tweeters
2-PRE-MACHINED CNC baffles
Crossover parts
Wire,solder,screws and a DVD with all the info needed for the kit.:clap:
These kits are a limited number as the WR125STR drivers are in a limited supply and once the WR125STR drivers are gone they are gone.

For those interested in doing some added damping ect to the PE cabinets this info will also be provided on the DVD.You will need 3 sheets of the damper per cabinet and a single sheet of the foam single layer 3/4".
Below I have shown a picture inside the PE cabinet with the damper sheets added as well as the foam.Notice the direct reflection points have foam on them.
As well the back wall is not covered 100% as the crossovers fit on the rear wall or rear side wall.Or ported design.

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More info to follow
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Old 24th May 2013, 03:25 PM   #2
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Great price! Got any measurements?

Seems like an overkill tweeter for such an extended mid.
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Old 24th May 2013, 04:23 PM   #3
RAW is offline RAW  Canada
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The Wavecor was purchased on a limited quantity to match the inventory of the WR125STR for this design. No super cheap tweeter but rather a very good quality tweeter to match the mtm for low distortion as well as keeping very good dispersion.

Final acoustic measurements I will have in the next day for the sealed monitor then I am moving onto the wall mounted version..

Last edited by CSS/XBL; 25th May 2013 at 01:39 PM.
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Old 26th May 2013, 02:50 AM   #4
RAW is offline RAW  Canada
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Below is the 0 to 40 off axis measurements for the WR.30 speaker
Very good off axis response.
Over all + - 5db with a sensitivity of 85db These measurements are for the SEALED WR.30 MTM monitor in the Parts Express .5cft cabinet lined with 3 damper sheets and 1 sheet of the 1" acoustic foam

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Next crossover point shown with tweeter response ,woofer response with the summed response shown.

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Over frequency response shown with DB markers showing + - frequency response below 200hz is room related responses.

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Final Impedance measurements taken with Smith and Larson WT2

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Sealed cabinet shown a Fs of 93hz

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OK now for those looking for the wall mounted Monitor.Yes go ahead and mount the WR.30 to the wall with wall mount brackets.

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Here is the frequency response 0 to 40 off axis for the WALL MOUNTED WR.30

Over all very good response for a wall mounted monitor. Acoustic measurements taken with the monitor 38" off the floor

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WR.30 speaker kit for 2 speakers Price $249.00

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Old 26th May 2013, 02:50 AM   #5
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Quote:
Originally Posted by RAW View Post
No super cheap tweeter but rather a very good quality tweeter to match the mtm for low distortion as well as keeping very good dispersion.
Sorry I didn't mean it was super cheap. I meant it was super good. This kit is a nutty deal.

So did you use such a ballsy tweeter to be able to cross low? Or maybe to use really shallow slopes?

Looking forward to more info!
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Old 26th May 2013, 02:54 AM   #6
RAW is offline RAW  Canada
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Thats OK
Crossed over at 2k to keep the best off axis response as possible.Crossover is a 1st order on the woofer and a 3rd order on the tweeter...

Yes a great deal for sure at $249.00 for the PAIR
ERSE components METAL oxide resistors
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Old 26th May 2013, 03:40 AM   #7
RAW is offline RAW  Canada
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WR.30 PORTED info to follow
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Old 26th May 2013, 04:57 AM   #8
Sprags is offline Sprags  United States
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These look fantastic for the price. Parts Express is 15 minutes north of me. I'm going Tuesday to check them out and invest in a pair...maybe.

I can then sell my Bozo speakers on Craigslist. Amateurs that see 'Bose' think they are great.

Last edited by Sprags; 26th May 2013 at 04:59 AM.
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Old 27th May 2013, 01:12 AM   #9
RAW is offline RAW  Canada
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Below is a photo showing how the PRE Machined baffles which are included in the WR.30 kit fit onto the Parts Express cabinets both styles.

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Old 27th May 2013, 01:32 AM   #10
RAW is offline RAW  Canada
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OK now the Impedance for the SLOT ported WR.30.Those not wanting to install slot ports (Slot ports have a better control) PVC ports can be used as well.

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Impedance measured with the SL WT2
Showing a 63hz tuning of the slot ported design.

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Below is the Frequency response difference between the sealed and slot ported WR.30
Note these measurements are 2 different speakers which shows very good driver consistency between the 2 responses.
Notice the Yellow line with red markers which is the Slot port design.The Slot port shows lower extension below 100hz.This is being shown to those who would be interested in more specific measurements

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