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Multi-Way Conventional loudspeakers with crossovers

Some speaker driver measurements...
Some speaker driver measurements...
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Old 4th September 2019, 07:42 AM   #401
celef is offline celef
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Linkwitz used to use a 3-tone test for evaluation, used for both imd and hd I think.

i have done some similar testing with sb17xxx drivers and satoris and there were none clear winner, some were better at low freq and some in the midrange
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Old 9th September 2019, 09:53 PM   #402
HiFiCompass is offline HiFiCompass  Ukraine
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The measurements of the RAAl 70-20XR tweeter:

RAAL 70-20XR | HiFiCompass
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Old 9th September 2019, 11:40 PM   #403
ScottG is offline ScottG  United States
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..so, wanting a crossover >3 kHz. (..not surprising for a ribbon tweet.)

Thanks!
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Old 10th September 2019, 12:49 AM   #404
454Casull is offline 454Casull  Canada
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Quote:
Originally Posted by ScottG View Post
..so, wanting a crossover >3 kHz. (..not surprising for a ribbon tweet.)

Thanks!
3 kHz at not less than 4th-order... phew!
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Old 10th September 2019, 06:50 AM   #405
Zuhl is offline Zuhl  England
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Crossover at 5k to a 50mm dome mid maybe?
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Old 10th September 2019, 06:57 AM   #406
HiFiCompass is offline HiFiCompass  Ukraine
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Quote:
Originally Posted by Zuhl View Post
Crossover at 5k to a 50mm dome mid maybe?
The manufacturer says it is a mid-high speaker and recommends to cross it down to 1.8k.
It's a good joke.Some speaker driver measurements...

Last edited by HiFiCompass; 10th September 2019 at 07:23 AM.
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Old 10th September 2019, 07:02 AM   #407
Pida is offline Pida  Czech Republic
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And I considered that Raal the one with the best usability. Not anymore. Though I have to admit horizontal responses are nice. Overall Viavawe SRT seems much better.
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Old 12th September 2019, 06:46 AM   #408
liunine is offline liunine
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Great work.
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Old 17th September 2019, 11:52 AM   #409
HiFiCompass is offline HiFiCompass  Ukraine
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The measurements of the SB Acoustics SB23MFCL45-8 woofer have been added:

SB Acoustics SB23MFCL45-8 | HiFiCompass
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Old 17th September 2019, 10:05 PM   #410
Kukulcan is offline Kukulcan  Italy
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Quote:
Originally Posted by Zuhl View Post
Crossover at 5k to a 50mm dome mid maybe?

an Accuton C51 maybe.... so that the ribbon works only where it really excels. (still vertical dispersion is a problem...)

The big issue of such pairing (RAAL-Accu C51) for upper mid and treble is that you need a pure 4-way design (not 3-way plus sub), if you want excellent bass and impact up to 250hz.
I was thinking to a C-220-6-222 for 80-800 hz plus a subwoofer, but I doubt that such system would have bass (80-250hz) adequate to the top quality I'm trying to achieve.

Accuton S 280, C 168, C51 e RAAL 70-10 (active system). this is another story.... I see no compromise here, but it's more than 6.000 Euros of drivers...

More probably I will go for a pure 3-way active design: S 280, C90 and some excellent dome tweeter crossed at 2.5 khz. (and no vertical dispersion issues!)

Last edited by Kukulcan; 17th September 2019 at 10:13 PM.
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