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Old 28th October 2012, 08:55 PM   #1
gornir is offline gornir  Sweden
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Default Satori MW16P-4

Hi,

I bought a pair of these very nice drivers!

Click the image to open in full size.

Some initial measurements can be found here:

New Satori MW16P-4 driver units!

The question is what to pair them with?

I have a couple of ScanSpeak drivers I haven't tried yet and I might even do a wave-guide design this time, depending on how my test measurements evolves.

Over & out

/Göran
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Old 28th October 2012, 09:19 PM   #2
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These should work very well with a waveguide. What with them having a smooth and extended response and low upper range distortion, could easily cross 2nd order around 2.5kHz for a good directivity match to a similar sized waveguide.

It will be interesting to see your distortion measurements and how well they compare with the other drive units you've already measured. Joachim's first measurements at the lower level showed higher overall 3rd harmonic then when they were driven at a higher level. This I would expect to see if the signal to noise level wasn't optimally arranged for the lower level distortion plots, it could be driver based but I'd be surprised. As you measure at different drive levels it should show exactly what's going on.
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Old 28th October 2012, 09:26 PM   #3
gornir is offline gornir  Sweden
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Quote:
Originally Posted by 5th element View Post
These should work very well with a waveguide. What with them having a smooth and extended response and low upper range distortion, could easily cross 2nd order around 2.5kHz for a good directivity match to a similar sized waveguide.
Yes, exactly my initial thoughts.

I have to see how the two pair of tweeters I have fit and measures with the wave-guide I have. I also need a new enclosure for the Satoris.

Time will tell!

Regards

/Göran
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Old 28th October 2012, 09:55 PM   #4
cotdt is offline cotdt  United States
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Cool, it would work excellent in an 11L sealed, with a -3dB point of 64Hz.

I would suggest the Peerless HDS (now Scanspeak Discovery) tweeter to pair with it. It just sounds damn good with everything.
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Old 28th October 2012, 09:57 PM   #5
cotdt is offline cotdt  United States
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You can remove the magnet structure of the Satori and use the cone as a waveguide, with the Satori basket holding the tweeter in place.
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Old 28th October 2012, 11:03 PM   #6
tvrgeek is offline tvrgeek  United States
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There is a build with this going on in the vendors threads. I am dying to see how much better they are to the Seas reed cones I just used that I found to be very very good. For three times the price, how much better? Working up a design. SB does have a matching tweeter, but I still have my eye on an air-circ.
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Old 28th October 2012, 11:32 PM   #7
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I will be interesting to compare our distortion measurements.
I can repeat then my measurements at the level you use with a lab grade condenser mike.
I simply used the Girardin electret capsule that can have some limitations in dynamic range.
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Old 29th October 2012, 04:05 AM   #8
ScottG is offline ScottG  United States
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Quote:
Originally Posted by Joachim Gerhard View Post
I will be interesting to compare our distortion measurements.
I can repeat then my measurements at the level you use with a lab grade condenser mike.
I simply used the Girardin electret capsule that can have some limitations in dynamic range.
I've often wondered about the noise floor of mic's and distortion measurements with drivers.. (..for everything else it seems it's a moot point, but distortion???)

Measurement packages seem to do a compensation thing with a mic sent to L & R, but is there a difference with a better mic and/or mic preamp?

Also which lab mic? ..and what is the noise floor? Is that A-weighted or not?

Thanks.
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Old 29th October 2012, 04:45 AM   #9
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Electrets have problems at very low and very high volumes. A condenser mic does not have that problems as much. The noise in a condenser much has a physical boundary.
The smaller the size of the capsule, the higher the noise.
I will show you one of my lab mics soon.
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Old 29th October 2012, 04:47 AM   #10
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I use this one. Noise is 34dB/A with amplifier.
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