Manger vs. F200A - sick experiment

el`Ol · 15th October 2007, 05:21 AM

Hello all!

I have an idea for a sick experiment: Put Fostex F200A and Manger in a box with 6dB active x-over and see where, subjectively, is the best x-over point. Will the Manger end up as supertweeter? Or the Fostex as subwoofer? I didn`t post this in the fullrange forum because one could end up with a conventional woofer/tweeter setup, just crossed flatter. What do you think, what would be the result?
I don`t assume anyone has the two lying around.
Currently I am not sick enough to do the test, but this may change. And whatever would be the outcome of the experiment, one could build a really nice box with one-cap-one-coil x-over at the end.

Greets,
Oliver

BHTX · 15th October 2007, 05:32 AM

Jeez, aren't those Manger driver expensive?
I think I recently came across something saying 500 and something each, and I think it was EUR or GBP, which would be either $700-$800 USD, or $1000-$1200 USD. Anybody have any idea?

navin · 15th October 2007, 05:33 AM

Quote:

Originally posted by el`Ol

Put Fostex F200A and Manger in a box with 6dB active x-over and see where, subjectively, is the best x-over point. Will the Manger end up as supertweeter? Or the Fostex as subwoofer?

the are where both drivers will operate fairly wll (300Hz to 3000Hz) mean that you can have almost no crossover maybe just a simple cap for the manger.

phase_accurate · 15th October 2007, 10:50 AM

Quote:

the are where both drivers will operate fairly wll (300Hz to 3000Hz) mean that you can have almost no crossover maybe just a simple cap for the manger.

Why does anyone want to do this ? What is the advantage of having "almost no crossover" ?

Regards

Charles

sdclc126 · 15th October 2007, 01:56 PM

Quote:

Originally posted by phase_accurate

Why does anyone want to do this ? What is the advantage of having "almost no crossover" ?

Regards

Charles

The advantage is, if it isn't necessary you save money and build complexity.

phase_accurate · 15th October 2007, 02:14 PM

If you don't need any crossover and just ONE driver I see where you can save money.
But if you use TWO expensive (almost fullrange) drivers with ALMOST NO crossover (= different to NO crossover) then you won't save anything.
You then better use a good woofer (much much cheaper than each of these two) paired with either one of these fullrangers.

This thingie would then be a FAST system, i.e. Fullrange And Subwoofer Topology (OK - the use of the therm sub is a little exagerated).

You could even use a simple transient-improved active crossover with this arrangement.

Regards

Charles

sdclc126 · 15th October 2007, 03:56 PM

"...if you use TWO expensive (almost fullrange) drivers with ALMOST NO crossover (= different to NO crossover) then you won't save anything."

If you use the two drivers with "almost no" crossover as opposed to the same two drivers with "more" crossover than necessary then you are still saving cost and complexity - that's all I meant.

Cheers

phase_accurate · 15th October 2007, 04:15 PM

Agreed, but normally no one uses both these drivers together WITH a crossover to start with - only to end up with a more expensive solution than using either one together with a woofer. The latter would not only be cheaper but it would offer better quality as well.

Regards

Charles

el`Ol · 15th October 2007, 04:18 PM

Don`t understand me wrong, I would only see it as a really successful outcome if it would turn out that the ideal x-over frequency is somewhere in the middle. The Fostex as subwoofer or the Manger as supertweeter would also in my eyes be a waste of money.

phase_accurate · 15th October 2007, 04:19 PM

But why do you want to split a range into two parts that either driver can manage equally well ?

Regards

Charles

15th October 2007, 05:21 AM	#1
el`Ol diyAudio Member Join Date: May 2005 Location: Bavarian Forest	Manger vs. F200A - sick experiment Hello all! I have an idea for a sick experiment: Put Fostex F200A and Manger in a box with 6dB active x-over and see where, subjectively, is the best x-over point. Will the Manger end up as supertweeter? Or the Fostex as subwoofer? I didn`t post this in the fullrange forum because one could end up with a conventional woofer/tweeter setup, just crossed flatter. What do you think, what would be the result? I don`t assume anyone has the two lying around. Currently I am not sick enough to do the test, but this may change. And whatever would be the outcome of the experiment, one could build a really nice box with one-cap-one-coil x-over at the end. Greets, Oliver

15th October 2007, 03:56 PM	#7
sdclc126 diyAudio Member Join Date: Jan 2005 Location: San Diego, CA	"...if you use TWO expensive (almost fullrange) drivers with ALMOST NO crossover (= different to NO crossover) then you won't save anything." If you use the two drivers with "almost no" crossover as opposed to the same two drivers with "more" crossover than necessary then you are still saving cost and complexity - that's all I meant. Cheers __________________ Soft Dome

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15th October 2007, 05:32 AM	#2
BHTX diyAudio Member Join Date: Feb 2006	Jeez, aren't those Manger driver expensive? I think I recently came across something saying 500 and something each, and I think it was EUR or GBP, which would be either $700-$800 USD, or $1000-$1200 USD. Anybody have any idea?

15th October 2007, 02:14 PM	#6
phase_accurate diyAudio Member Join Date: May 2002 Location: Switzerland	If you don't need any crossover and just ONE driver I see where you can save money. But if you use TWO expensive (almost fullrange) drivers with ALMOST NO crossover (= different to NO crossover) then you won't save anything. You then better use a good woofer (much much cheaper than each of these two) paired with either one of these fullrangers. This thingie would then be a FAST system, i.e. Fullrange And Subwoofer Topology (OK - the use of the therm sub is a little exagerated). You could even use a simple transient-improved active crossover with this arrangement. Regards Charles

15th October 2007, 04:15 PM	#8
phase_accurate diyAudio Member Join Date: May 2002 Location: Switzerland	Agreed, but normally no one uses both these drivers together WITH a crossover to start with - only to end up with a more expensive solution than using either one together with a woofer. The latter would not only be cheaper but it would offer better quality as well. Regards Charles

15th October 2007, 04:18 PM	#9
el`Ol diyAudio Member Join Date: May 2005 Location: Bavarian Forest	Don`t understand me wrong, I would only see it as a really successful outcome if it would turn out that the ideal x-over frequency is somewhere in the middle. The Fostex as subwoofer or the Manger as supertweeter would also in my eyes be a waste of money.

15th October 2007, 04:19 PM	#10
phase_accurate diyAudio Member Join Date: May 2002 Location: Switzerland	But why do you want to split a range into two parts that either driver can manage equally well ? Regards Charles

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