Thread: The best sounding tweeters in the world

Well, from the very start I understood the graph came from some specialized ("HiFi Critic" in this case) review, and it was very clever from your part to show it in the debate, since an imp/phase curve is very revealing in order to know what the amplifier system is going to deal with.
And I thank you for it.

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Cheers VRV. There is no doubt the Lansche Plasma tweeter is one of the best tweeters in the world. Conceptually a massless tweeter is the perfect solution, though of course it's not that simple. The tweeter is just one driver in an overall loudspeaker design. Then you have the subjective element as you said. That is the art of loudspeaker design.

Melbguy1 you would be welcome to pop by any time this week or weekend if you are free. I would love to hear your Magico's as well, considering that the only Magico I have ever heard was the Mini.

You happen to be living in the plasma tweeter capital of Australia. I am aware of at least 3 systems with Lansche plasma tweeters in it, and one with Acapella (i.e. mine) - all in Melbourne. There are zero plasma tweeter systems outside Melbourne, as far as I am aware. I think that mine must be the only DSP controlled plasma tweeter system in the world.

My measured hearing 'rolls off' at about 14kHz. How much of what these devices produce can most of us hear?

I'm much more interested in the performance between 200Hz and 6kHz. Paying for gear like this is like having a puppy without a leash...

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Originally Posted by anji12305

My measured hearing 'rolls off' at about 14kHz. How much of what these devices produce can most of us hear?

I'm much more interested in the performance between 200Hz and 6kHz. Paying for gear like this is like having a puppy without a leash...

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Yours is a more than an interesting (and worrying) observation, indeed.

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Originally Posted by Melbguy1

The S5 Mk2's new graphene/carbon midrange unit & diamond-coated tweeter have higher power handling, lower distortion & lower cutoff frequencies compared to the previous generation, which allowed Magico to remove the crossover’s electrical traps necessary for controlling driver breakup. Thus the driver's improved design and behavior seem to be mostly responsible for the flat response curve.

In his review for Hifi Critic, MC described the S5 Mk2's a "fairly tough loading". The test results show the S5 Mk2's stay slightly above 88db sensitivity across their operating range per 8ohm watt, whilst the impedance dips to 3 ohms resistive @70Hz, and 4 ohms @45Hz with what he described as a "moderately high" 50 degrees phase angle, suggesting a momentary amplifier load of 2.2 ohms in the bass. MC still felt valve amps could drive the speakers from a 4 ohm tap, and good ss amps should have no trouble at all.

You can't absolutely tell unless we see the raw driver plot, from experience i would wager its from the inline resistor in the xover , as we can see from the phase plot, a lift "tank" so to speak ...

I would also like to make a point about mass/energy/Sound.

Sounding good and sweet , is not the same as sounding real. " real " instruments have percussive energy, the way cymbals, triangles , et al , creates energy at high frequencies is very difficult to achieve with loudspeakers , even more so with single point source speakers. This "energy" requires mass , not necessarily less of , and mass requires force ( size) to excite the diaphragm with enough force for weight and speed, multiple drivers or linesources have an advantage when doing "real" ...




Getting "real" is what loudspeakers have always really suffered from.... Many nice sounding speakers around ..


Regards

Originally Posted by Keith_W

Melbguy1 you would be welcome to pop by any time this week or weekend if you are free. I would love to hear your Magico's as well, considering that the only Magico I have ever heard was the Mini.

You happen to be living in the plasma tweeter capital of Australia. I am aware of at least 3 systems with Lansche plasma tweeters in it, and one with Acapella (i.e. mine) - all in Melbourne. There are zero plasma tweeter systems outside Melbourne, as far as I am aware. I think that mine must be the only DSP controlled plasma tweeter system in the world.

Hi Keith, my apology for the late reply. Thanks for your invite. It's a bit difficult this time of year, but I'll get in touch when I have a free afternoon. Yes once i've put the equivalent of 250hrs on my S5 Mk2's & Vitus SCD-025Mk2 (with a little help from my PAD Luminist burn in cd), I'll invite you over for a listening session with some nice finger food & drinks .

Not having heard all the available tweeters I have the Salon2's and still I'm amazed at what my old v2 VA Beethoven's could do.

I had top tweeter like Yamamura super tweeter,a TAD 703 modified from Yamamura and ALE DEP 1750,but the best tweeter i listen in my life is actually on my Italian speaker MONTAGNA with magnet in Maxalco,alnico V with crystal oriented,all hand made

There's a good set of links and info on plasma speakers at massless.info like the older Ionophone and the Magnats.