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Multi-Way Conventional loudspeakers with crossovers

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Old 13th May 2019, 11:01 PM   #1
Alex Music is offline Alex Music  Europe
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Default New speakers

Hello,
I want to build a new pair of speakers.
I will use this speakers, because I already have them from other projects:

- Tweeter : 27TBCD/GB-DXT H1499
- Mid woofer : SB17CAC35-4
- Subwoofers : SW26DAC76-4

The design will be like the one in the picture (Barefoot Sound )
Subwoofers on the side
Amplifier with DSP : Hypex FA503
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File Type: jpg barefoot-sound-micromain35-gen2-monitors-pair-cf9.jpg (230.1 KB, 313 views)
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Old 13th May 2019, 11:07 PM   #2
Alex Music is offline Alex Music  Europe
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My requirements from these speakers:
- Response linear (+/- 3dB) from 30Hz to 20KHz
- clear/ dynamic transients
- very clear & very natural sound
- good response off-axis
- compact
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Old 13th May 2019, 11:13 PM   #3
Alex Music is offline Alex Music  Europe
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Now the problems begin.

I do not like this ceramic speaker from SB Acoustics.
Transients are very fast, but the details is to little.
they have no refinement, no depth ...

Did anyone try these speakers anymore?

Compare with Satori ...

Do I get it wrong?
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Old 14th May 2019, 01:59 AM   #4
fishball79 is online now fishball79  Singapore
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Location: Sunny Isle Singapura
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Quote:
Originally Posted by Alex Music View Post
Transients are very fast, but the details is to little.
they have no refinement, no depth ...
Having owned both I would say the CAC has very good accuracy but yeah, the Satori is simply at a higher level of performance when you compare them side by side.

Their biggest difference being that Satori has 2 copper sleeves in the motor gap whereas their normal SB version has only 1 (which is more than any other brand in the same price range). That alone accounts for the major drop in noise floor in the Satori that results in better dynamics & microdetails which of course impresses you.
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Old 14th May 2019, 09:45 AM   #5
Alex Music is offline Alex Music  Europe
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Construction details:

I need to crossover at 100Hz & 1,6-2KHz

I think I will use the SATORI MW16P-4 for 100Hz-2KHz

Volume
Subwoofers = 24 Liters (closed box)
Mid = 5 Liters (closed box)

Do you think the bass speakers have to be mechanically linked?

Or is it enough to catch them on the box with screws?
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Old 15th May 2019, 02:15 AM   #6
Alex Music is offline Alex Music  Europe
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Join Date: Sep 2018
My actual tweeter is Seas 27TBCD/GB-DXT H1499
I have used up this tweeter so far thanks to the good off-axis response, but it's not the best tweeter I've ever heard.
It does not have much detail, accuracy, and has a metallic character.

I'm wondering if I can not find a better tweeter with the same off-axis response.

What do you think ?

Did you hear the following Tweeters?

SB26CDC-C000-4
sb26adc-c000-4
DA25TX00-08

They seem to have a good response off-axis.

By the way, I want the tweeter to be metallic or ceramic (for good transients)

Or did anyone try to put metallic tweeters on the waveguide?
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Old 15th May 2019, 07:53 PM   #7
Alex Music is offline Alex Music  Europe
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Does anyone have the experience here?
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Old 17th May 2019, 02:19 AM   #8
PeteMcK is offline PeteMcK
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Location: Western Sydney
re"Do I get it wrong? " - why don't you give us details of your crossover, so we've got an idea of what's happening?
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Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency
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