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Which one Mark Audio are Best
Which one Mark Audio are Best
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Old 11th July 2019, 08:22 PM   #11
santitrucco is offline santitrucco  Argentina
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some example , that you know to do a decent work , with some more efficiency..
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Old 11th July 2019, 09:24 PM   #12
Scottmoose is offline Scottmoose  United Kingdom
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Unfortunately, it doesn't really work that way. A horn, even a front loaded one, can only provide an efficiency boost over a desired passband, which is usually relatively limited. So it depends what you mean by 'decent work', i.e. what range and other characteristics are desired.
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Old 11th July 2019, 10:00 PM   #13
planet10 is offline planet10  Canada
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Which one Mark Audio are Best
Quote:
...even a front loaded one, can only provide an efficiency boost over a desired passband, which is usually relatively limited...
Usually 3 or at most 3 octaves. When front loading a FR driver (usually as. amidTweeter) the HFs need to be boosted sufficiently that when the low end of the drivers ranges efficiency is increased by the horn the top end can keep up. Or a whole lot of EQ with its downsides.

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Old 13th July 2019, 03:13 PM   #14
santitrucco is offline santitrucco  Argentina
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And , which are best performer for medium frequency .

Some Apairs or some Fostex 5 inch or 6.5 or 8 inch.

The efficiency is not important.

Santiago
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Old 13th July 2019, 03:18 PM   #15
Scottmoose is offline Scottmoose  United Kingdom
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How do you define 'best'?
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Old 13th July 2019, 03:53 PM   #16
planet10 is offline planet10  Canada
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Which one Mark Audio are Best
The Alpairs are, IMO, are generally smoother, and have greater DDR.

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Old 13th July 2019, 04:25 PM   #17
santitrucco is offline santitrucco  Argentina
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Quote:
Originally Posted by Scottmoose View Post
How do you define 'best'?
Best tone , best frequency response , best details , etc..
You Know..
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Old 13th July 2019, 04:43 PM   #18
GM is offline GM  United States
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Quote:
Originally Posted by santitrucco View Post
OK , and somebody try some mark audio driver in a front loaded horn ?

Somebody know how would be the freq response ?
This is a waveguide [WG] designed to 'focus' its polar response over a narrower arc in both planes, not a compression horn designed to 'squeeze' it to high gain over a narrow BW; big difference.

Put an MA or similar in a compression horn and its power handling would be severely limited to keep from deforming the diaphragm and/or suspension, so basically useless.

GM
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Old 13th July 2019, 08:29 PM   #19
Scottmoose is offline Scottmoose  United Kingdom
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Quote:
Originally Posted by santitrucco View Post
Best tone , best frequency response , best details , etc..
You Know..
Unfortunately I don't know, because 'best' does not have a technical definition. It is a subjective term that means completely different things to different people. For example:

-There is no single definition for 'tone' let alone 'best tone' so you need to say how you personally define it and what you value. Tonality in a drive unit is the product of its on / off axis frequency response in whatever enclosure it happens to be used with, its distortion, impedance and energy storage characteristics.

-There is no single definition for 'best frequency response' since this will vary depending on your particular requirements. On paper a flat or slightly declining response is nominally favoured but this ignores real-world usage where off-axis behaviour and a host of other practical characteristics have a significant impact upon what we actually hear, so it's over-simplistic to reduce it purely to a single trend. In other words, you need to say what response you are trying to achieve.

-'Detail[s]' have no technical definition for drive units. Subjectively this is dependent upon on and off axis frequency response, distortion performance and energy storage, and the perception varies with these, with implementation and individual perception and preference, so again, there isn't a single answer and it depends what you are trying to achieve. For instance, harmonic distortion is a much poorer guide to performance than is widely assumed (see Toole et al), but that does not mean it can be simply ignored, and some broad trends do hold if levels are high enough. 3rd and higher order products can have the effect of subjectively sharpening the sound, but location and degree are all factors, and it should be remembered that this is to a point artificial.

It's possible to give you an idea of which (if any) may suit your requirements, but you'll need to think about the above a bit more and try to provide some more information we can use to point you in the right direction.

As GM says, the MA drivers (like most wideband units) are fine for wavegudes or back-loaded horns with a moderate compression ratio; however they can't be used in high compression ratio / compression horns as you'll deform the diaphragm since they weren't designed for this type of use. That's where (primarily) dedicated compression drivers come into their own.
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Last edited by Scottmoose; 13th July 2019 at 08:34 PM.
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Old 15th July 2019, 04:31 PM   #20
planet10 is offline planet10  Canada
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Which one Mark Audio are Best
Best. A word with a whole lot of wiggle room. Given that even the “best” loudspeakers have significant compromises. So many that one can have 2 completely different loudspeakers that sound very different but yet are equally valid approaches.

The target audience — you (and your room and kit) — play a huge role in terms of which set of compromises makes the most sense to your ear/brain.

I can tell you which MA drivers i prefer. Top of that list so far is Alpair 7.3eN or A7 MAOP. Next, not far behind are the 2 A10s (EnABLed of course), A6.2, A5.2. No particular order with those, each has its own sets of balances, the metals probably being more accurate, but the papers having their own assets.Again, application and target use are of high importance. The A12pw is a tremendos midBass. The A11ms/A7ms are waiting in the wings. I have heard the A11ms (i have 24 A7ms awaiting processing), and stock it does somethings better than A10.3eN, some not. I expect its deficincies in comparison to dissapear once EnABLed. A7ms looks better on paper than its larger brother. The Pluvia 7HD is supposed to be a rejiggered A7.3 which, if it holds up, will be a tremendous bargain.

dave
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