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Old 20th June 2006, 12:39 AM   #1
ScottG is offline ScottG  United States
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Default Zaph has another driver grouping up!

http://www.zaphaudio.com/smalltest/

Way to Go Zaph!!

That little RS52 looks pretty sweet..

The HiVi makes me wonder what a modified rear chamber could do for it..
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Old 20th June 2006, 03:17 AM   #2
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I read his new tests over the weekend - I am very impressed with the new layout he uses and the rating system - very informative and user-friendly.

I am even more convinced than ever that he has one of the best DIY sites out there, and I hope he continues this type of service to the community for years to come. I have made virtually all of my driver buying decisions based on his tests.

Another first-rate job John - thanks a million and keep up the good work!

P.S. - any idea when the RS90 will be out? Looks like it has some decent potential.
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Old 20th June 2006, 06:28 AM   #3
soongsc is offline soongsc  Taiwan
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Quote:
Originally posted by sdclc126
I read his new tests over the weekend - I am very impressed with the new layout he uses and the rating system - very informative and user-friendly.

I am even more convinced than ever that he has one of the best DIY sites out there, and I hope he continues this type of service to the community for years to come. I have made virtually all of my driver buying decisions based on his tests.

Another first-rate job John - thanks a million and keep up the good work!

P.S. - any idea when the RS90 will be out? Looks like it has some decent potential.
I am interested with the what the faraday ring does to the driver. Listening to two wide range drivers with faraday ring it seems the sound is a bit soothed. Violins don't sound that real. It does seem to reduce distortion in the lower frequency range and the bass is notibly cleaner.

Another interesting thing about drivers with faraday rings is that the impedance curve seems flatter, and the impedance phase seems close to zero ant the higer frequencies.
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Old 20th June 2006, 11:39 AM   #4
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Unvaluable work for others, mr. Zaph
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Old 20th June 2006, 11:46 AM   #5
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Quote:
Originally posted by MethMan
Unvaluable work for others, mr. Zaph
I think you mean "invaluable" Methman.
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Old 20th June 2006, 11:54 AM   #6
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Quote:
Originally posted by pinkmouse


I think you mean "invaluable" Methman.

I second that. Great work.
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Old 20th June 2006, 11:55 AM   #7
Salas is offline Salas  Greece
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From driver sweep distortion tests to a loudspeaker there is a long way though.
Valuable for knowing the real specs instead of those claimed nontheless.
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Old 20th June 2006, 12:38 PM   #8
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Default batch variation .

The test results posted by John on his site are very useful in several ways , and I thank him for sharing this information with us.

Quote:
Originally posted by salas

Valuable for knowing the real specs instead of those claimed nontheless.
I would phrase that as :-
"valuable for knowing the real specs of a production sample instead of those claimed nontheless"

Even from the quality- conscious manufacturers there have been significant variations in some parameters from one production-run , or batch , than another , and particually when the company relies on other suppliers for production-ready materials . For the lesser-quality brands , there has been significant variations between samples all from the same batch , often owing to less than meticulous assembly of the lesser visible and hidden components . Despite this , knowing a sample's measured data provides a good start point for further evaluation .
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Old 20th June 2006, 02:45 PM   #9
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Quote:
Originally posted by salas
From driver sweep distortion tests to a loudspeaker there is a long way though...
Well yes of course, but these tests provide excellent starting points! And Zaph has some great designs too.
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Old 21st June 2006, 09:12 AM   #10
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I think you mean "invaluable" Methman.
True
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