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Question for you .....
its been years since I heard Sound Lab speakers - remind me of what they are like in comparison to Magnepans ?
Follow Ups:
As someone who has owned from 1.5 to 20, I now owned a pair of Sound Lab Majestic 945. Both MG20 and Majestic 945 were heavily modified by me.The biggest complaint for MG20 which was tri-amplified is it lacks the dynamics, especially mid-range. Does Magneplan improve the dynamics? My answer is negative after hearing the MG30. I believe that internal construction causes poor performance in dynamics.
Stock Sound Lab speakers can sound dull without any modifications. Sound Lab speakers don't lack bass, but their bass can be boomy.
In any case, if I have to choose, I will choose Sound Lab over Magneplan. However, my opinion is based on both heavily modified speakers. Both speakers will be benefited from a pair of subwoofers.
Edits: 02/20/23
for a replacement to Acoustat 2+2s and naturally considered Magnepans. You might have heard my story that my first recalibration of just how realistic an audio system could sound was when I heard TIIIs tri-amped with Audio Research electronics when I was 17. Fabulous. Purchased MG-IIs shortly after.
HP had a really nice pair of 20.1s that I spent quite a bit listening to during trips to Sea Cliff as a primary contender. He later moved them to the MC "Super Maggie" system. Here's the two channel flavor driven by Joule Rite-of-Passage amps.
Overall, wonderful sound with good first octave extension, midrange clarity and that ribbon tweeter was sweet! But...it lacked coherency. The segments of the bandwidth were too distinct sounding for this coherency freak. I felt similarly hearing the IRS there as well.
What the U790s bring to the table is a seamless presentation. With a single full range diaphragm, there is one pebble in the pond. A solo piano sounds like a single instrument. Lucky lad that I am, I have ready access to that sound when wifey plays her baby grand in the living room.
Naturally, they share the same benefits of being dipolar line sources. But there is *no* localization of any frequency. I later heard 3.7s in that same space which I found were an improvement in that respect albeit lacking the same first octave grunt. I'm sure I could be happy with 20.7s or 30.7s. And use Magnepan MC1s as surrounds supporting Acoustat 1+1s in the HT system.
Haven't heard the Sound Labs in quite awhile, but they'd be near the top of my list if I was considering new speakers.
The problem with "localization" of the tweeter is solvable, but will cost you $$$ to fix. IMHO, on the 3.6s, it's due to the crossover. My totally reworked, passive tweeter/mid-range XO, re-wired with upgraded parts, and no fuses etc., blends both the drivers seamlessly.
What it doesn't do is eliminate the Venetian blind, phase-effect of the of 2 drivers being parallel to each other. That's still audible if you move your head around enough while sitting in the listening position. That's not an issue with the Sound Labs.
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