Supravox 215 vs PHL 2540 - diyAudio
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Old 28th September 2013, 07:03 PM   #1
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Default Supravox 215 vs PHL 2540

I choose the midrange driver with high efficiency (higher 95dB) for work in the most critical and meaningful vocal sound range - from 200 - 300 Hz to 4 - 5 kHz or more.
I'm planning that this driver will work in a sealed box and with Beyma TPL 150 and with two 12 "AE Speakers woofers.
Some of the candidates has Supravox 215 RTF64 (GMF) and PHL 2540 (2520).

What are the opinions about my choice? If I do not mistake?
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Old 28th September 2013, 07:36 PM   #2
ScottG is offline ScottG  United States
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..well, at least the 25*21* is far more linear.

Look to the bottom of Zaph's blog for measurements:

Zaph|Audio
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Old 28th September 2013, 07:51 PM   #3
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Quote:
Originally Posted by ScottG View Post
..well, at least the 25*21* is far more linear.

Look to the bottom of Zaph's blog for measurements:

Zaph|Audio
2521? What is it?
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Old 28th September 2013, 07:56 PM   #4
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Ok. PHL 2521 (2520). I see that roll of from 4 khz....
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Old 28th September 2013, 08:01 PM   #5
ScottG is offline ScottG  United States
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Quote:
Originally Posted by stasgrigorev View Post
Ok. PHL 2521 (2520). I see that roll of from 4 khz....
With astonishing off-axis performance at higher freq.s..

-both aspects would make transitioning to any tweeter a LOT easier.
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Old 28th September 2013, 08:08 PM   #6
Eldam is offline Eldam  France
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not sure than the PHLs' can be used so low ! Fs ? Look at the Phl curve arounf 1k hz too ?! Need a hard work with baffle step and load...

Supravox... well, you hav to measure it... concistency due to an artisanal work...

Their 13 cm is excellent !
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Old 28th September 2013, 08:12 PM   #7
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Unfortunately there is not enough information, and measurements for PHL. I have not seen the real curves than the one that pointed ScottG
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Old 28th September 2013, 08:14 PM   #8
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Quote:
Originally Posted by Eldam View Post

Supravox... well, you hav to measure it... concistency due to an artisanal work...

Their 13 cm is excellent !

What do you want to say about Supravox, I do not quite understand.
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Old 28th September 2013, 08:20 PM   #9
Eldam is offline Eldam  France
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look at the work of Zaph : he measure one ! All PHL (and Audax, cause i think the boss is an ancient tech director of Audax's research) have the same problem a problematic bump near 1000, 1200 more and less.

Think they worth for the money as Zaph wrote. But maid for professional sound systems (with hifi feeling). Not sure they are worry as you or me about these things.

The surface treatment are good and near the same as Audax aerogel : very good.

But as I said hard to work with them : for big guy, i never try myself.

Supravox, Audax have the same problem : they become artisans and build on demand...more or less. Sometimes Consitency problems with measures. But good brand and serious philosophy.

Look at too at he serious old Fertin which new brand name is ElectromagnetSpeakers : EMS: Artisanal but very serious, Japanese style : humble but you don't learn anything to him ! Take care with the impedance... tubes addict !
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Old 28th September 2013, 08:29 PM   #10
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Quote:
Originally Posted by Eldam View Post
look at the work of Zaph : he measure one ! All PHL (and Audax, cause i think the boss is an ancient tech director of Audax's research) have the same problem a problematic bump near 1000, 1200 more and less.

Think they worth for the money as Zaph wrote. But maid for professional sound systems (with hifi feeling). Not sure they are worry as you or me about these things.

The surface treatment are good and near the same as Audax aerogel : very good.

But as I said hard to work with them : for big guy, i never try myself.

Supravox, Audax have the same problem : they become artisans and build on demand...more or less. Sometimes Consitency problems with measures. But good brand and serious philosophy.

Look at too at he serious old Fertin which new brand name is ElectromagnetSpeakers : EMS: Artisanal but very serious, Japanese style : humble but you don't learn anything to him ! Take care with the impedance... tubes addict !
Thanks a lot! I watched products EMS. But I did not see the drivers that will work in a sealed box.
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