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Multi-Way Conventional loudspeakers with crossovers

Completed project: "Fenrir"
Completed project: "Fenrir"
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Old 3rd May 2018, 09:26 PM   #1
wolf_teeth is offline wolf_teeth  United States
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Default Completed project: "Fenrir"

I just finished this pair of bookshelves a couple weeks ago, using the Rival Acoustics R176-P-08 carbon-paper woofers, and the Wavecor TW022WA06-4 waveguided 22mm tweeters. 18 ltrs tuned to 40Hz for an F3 just below that, and an FR measurement that sits mainly at +/-2dB, while having low HD.

I'll attach all of the documentation in photos. Thanks for looking, and please ask if you have any questions!

Later,
Wolf

PS- more photos in the second post...
Attached Images
File Type: jpg Fenrirbox.jpg (216.1 KB, 1427 views)
File Type: jpg FenrirMach.jpg (95.5 KB, 1398 views)
File Type: jpg FenrirVoiced_1-6thFR.jpg (65.4 KB, 1373 views)
File Type: jpg FenrirVoiced_nosmoothing.jpg (71.5 KB, 1361 views)
File Type: jpg FenrirVoicedHD_-9dB.jpg (132.0 KB, 1347 views)
File Type: jpg FenrirXmax.jpg (86.7 KB, 194 views)
File Type: png FenrirXover.png (107.4 KB, 252 views)
File Type: jpg FenrirZ.jpg (121.4 KB, 252 views)
File Type: jpg Rival R176P08-1.jpg (92.5 KB, 109 views)
File Type: jpg WavecorTW022WA06-4-1.jpg (94.7 KB, 99 views)
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Old 3rd May 2018, 09:31 PM   #2
wolf_teeth is offline wolf_teeth  United States
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And the rest of the information...
Wolf
Attached Images
File Type: jpg R176P8-FR.jpg (74.3 KB, 163 views)
File Type: jpg Wavecor22FR1.jpg (69.2 KB, 162 views)
File Type: png WavecorW22-1_HD70uF_TAxis_1m.png (55.1 KB, 174 views)
File Type: jpg Small4.jpg (59.4 KB, 298 views)
File Type: jpg Small9.jpg (37.0 KB, 294 views)
File Type: jpg Small8.jpg (59.0 KB, 298 views)
File Type: jpg Small7.jpg (55.0 KB, 273 views)
File Type: jpg Small12.jpg (34.0 KB, 239 views)
File Type: jpg Small6.jpg (40.7 KB, 533 views)
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Old 3rd May 2018, 10:03 PM   #3
ScottG is offline ScottG  United States
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Picky, but:

Need to change project name to Fenrir's FANG. (..the mythical wolf is a giant afterall.)



..horizontals and verticals? (..on-axis looks a smidge "hot" in the upper midrange.)
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Old 3rd May 2018, 10:12 PM   #4
wolf_teeth is offline wolf_teeth  United States
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I didn't take any further polar responses that I saved, and the horizontal plots I took were of a previous xover iteration. It was enough information to apply, but not valid for the final implementation. Basically, it just tilts downward as it should.

If you mean the small bump at 1.8k, that's only about a dB, and is not forward sounding or anything like that.

Thanks for looking,
Wolf
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Old 3rd May 2018, 10:32 PM   #5
ScottG is offline ScottG  United States
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..looking at the UNaveraged on-axis response, the region between 810 Hz and 2.2 kHz looks like it could stand a reduction of about 1.5 db. The treble on-axis would be a bit "hot" on-axis as a result, but about 30 degrees off-axis (diffraction dependent) - it might be more ideal (particularly if you run the tweeter a bit lower in freq.). Moot point though if you've already got a listening axis you like.

(..yeah, the averaged graphs look exagerated around 1.8 - but I'd chalk that up to aggressive "interpretation" by the measurment system.)



-regardless, a nice project. How is the midbass? Subjectivly similar to the Scanspeak classic or Usher?
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Old 4th May 2018, 12:33 AM   #6
GOWA is offline GOWA  Canada
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Those fenrir woofers are on sale now.
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Old 4th May 2018, 08:57 AM   #7
wolf_teeth is offline wolf_teeth  United States
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I've heard both the 8945 and the 8545K, and I would think it's smoother over the midbass like the SS is; again a subjective opinion. Lower is always chalked up to box response anyway, so it's hard to tell there.

Later,
Wolf
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Old 8th May 2018, 02:53 AM   #8
GOWA is offline GOWA  Canada
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It's too bad that Usher doesn't sell drivers anymore. They're enjoyed by many.
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Old 21st May 2018, 10:25 AM   #9
GOWA is offline GOWA  Canada
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That Wavecor TW022WA06 tweeter is on sale at Solen
TW022WA06 - Solen Electronique Inc.
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Old 21st May 2018, 11:21 AM   #10
wolf_teeth is offline wolf_teeth  United States
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A photo from InDIYana 2018...
Wolf
Attached Images
File Type: jpg _DS55293.jpg (190.6 KB, 475 views)
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