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Offline en1omb  
#1 Posted : 13 June 2020 07:37:27(UTC)
en1omb


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Looking forward to your review of the latest Magico Martin! Wink
https://www.monoandstere...latory-new-flagship.html

Might as well get in the D’Agostino Relentless (x2!) whilst you’re at it...
Offline Simon Briggs  
#2 Posted : 13 June 2020 13:58:21(UTC)
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450 kgs nearly 1/2 a ton each 2 x stereo or a quad of mono amps poses some challenges
Offline Togil  
#3 Posted : 14 June 2020 06:59:09(UTC)
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Let's hope it's better than their previous flagship, the massive horn speaker which was shown in Munich a few yesrs ago and sounded disappointingly "electronic".
Hans
Offline en1omb  
#4 Posted : 14 June 2020 17:30:58(UTC)
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Hopefully being in one enclosure helps. Seems odd to keep the upper crossover passive, having decided to make the bass active. Perhaps the prospect of 4 lots of amplification each side was too much. Presumably you could get away with a more ‘modest’ set of amplifiers in that situation though.
Offline Simon Briggs  
#5 Posted : 25 June 2020 16:43:55(UTC)
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Originally Posted by: en1omb Go to Quoted Post
Hopefully being in one enclosure helps. Seems odd to keep the upper crossover passive, having decided to make the bass active. Perhaps the prospect of 4 lots of amplification each side was too much. Presumably you could get away with a more ‘modest’ set of amplifiers in that situation though.


At this level active bass makes sense as it can be tuned / refined to suit the purpose better. At lower crossover points passive components particularly inductors become massive and have serious series resistance.

Battling that myself with current design ideas
Offline kengale  
#6 Posted : 25 June 2020 17:13:22(UTC)
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Originally Posted by: Simon Briggs Go to Quoted Post
Originally Posted by: en1omb Go to Quoted Post
Hopefully being in one enclosure helps. Seems odd to keep the upper crossover passive, having decided to make the bass active. Perhaps the prospect of 4 lots of amplification each side was too much. Presumably you could get away with a more ‘modest’ set of amplifiers in that situation though.


At this level active bass makes sense as it can be tuned / refined to suit the purpose better. At lower crossover points passive components particularly inductors become massive and have serious series resistance.

Battling that myself with current design ideas


Active especially useful for LF design, as you can give the amplifier an output impedance (positive or negative) so that the speaker has an LF Q of whatever takes your fancy.

Offline Martin Colloms  
#7 Posted : 26 June 2020 15:32:59(UTC)
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The High End is fraught with contradictions. Take an established wealthy customer with a fine system wishing to upgrade the loudspeakers.
Then consider the loudspeaker designer, aiming high, appreciating the conflict and limitations of a desired low crossover point where the motional impedance of the system degrades the in situ performance of the driver /crossover combination.
Addressing this, the designer chooses to optimise the bass performance with direct coupling and thus obtain a near perfect active crossover to the upper deck. Meanwhile the customer’s own amplifier will perform even better with the bass load lifted from its shoulders.
In a sense this manufacturers proven sub woofer technology has been built into the loudspeaker system as a stereo pair

Several others run active bass sections these including Von Schweikert and Vandersteen

Martin
Offline Simon Briggs  
#8 Posted : 26 June 2020 20:14:00(UTC)
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Looking at the specification of the M9 which is in no doubt a technical tour de force, I just can’t help feeling that a system built around a pair of the Q7 MKII Loudspeakers and the two of the Q sub 18” system subwoofers? Might work just as well for some, allowing the user to set the subwoofers up to achieve possibly better integrated in room tuned bass drive and ultimate room lock? Just a hunch.
Offline en1omb  
#9 Posted : 07 July 2020 18:48:01(UTC)
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Some interesting insights into the Magico design principles in these two articles:

https://www.monoandstere...-we-do-things-we-do.html

https://www.monoandstere...things-we-do-part-2.html
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