Beolab 5 - Four Questionable Technologies


I'm looking to buy a high-end speaker system and have become enamored by the Beolab 5 Powered Speakers by B&O.

In their literature the tout 4 technologies that set them apart.
I am not an audiophile (yet) but wonder what those with more experience think about these four ideas.

1. An Acoustic Lens technology
This means a much wider dispersion of high frequencies. Supposedly this makes sweet spot for listening is much larger. This means you can sit in different places or move around and still have optimal sound.

2. Adaptive Bass Control
This uses a microphone in each speaker to calibrate the low frequency interaction with the room. This permits a wider range of speaker placement. For example, one could be near a wall, or one could be near a corner and this would compensate.

3. Digital Signal Processing
Being all digital, each speaker is calibrated (tweaked) before leaving Denmark to match a reference speaker. This is not possible with analog systems. It assures a that all of the speakers sound the same, a sort of quality control.

4. Digital Amplification
Each of the speakers has four digital amps; one for each driver. Somehow, by being digital Class D amps they can be smaller and run cooler than other amps. That allows them to put 4 powerful amps insider the very confined space of the speaker enclosure. The high power allows peak sound levels of 115 to 120 dB.

Thoughts and comments on any of these four technologies would be appreciated.

And, if you have heard these speakers, do you think they are for real.
hdomke

Showing 2 responses by mount_rose_music

The Sensible Sound, of all magazines, highly recommended the B&O, for the sound and technology. I've never seen such an effusive review of a piece of high-end equipment in that magazine before or since. They usually love things for two grand and other. See if you can get an archived copy of the review, well worth reading.

For this amount of money, please please audition two or three different speakers in your home. You can find dealers who will do that, and maybe, if B&O isn't willing to do that, maybe they are not the ones for you.

A general comment, if you plan on keeping these for a long time, they have many moving parts, built-in amplifier, etc. In other words, more stuff to go wrong, and if it does go wrong after the company stops supporting it, what, for instance will you do to replace the internal amps?

I am not a big fan of Class D amps, not any I personally have heard, but that does not mean YOU may think they are the best thing since the cheeseburger.

I would also consider not listening to those who say they might not be "audiophile speakers".... and their point is????? If you like how they sound, and if you like how they look, and if you have tried one or two other speakers and you still like it, then at least you know you made the right decision for you.... Not trying speakers in your home with your electronics is like not bothering to test drive a car because somebody gave you a ride, close but no cigar.
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Cheers,
Chris
I just noticed I was asked questions on your post.

1. I question that review, only because that particular mag never ever in my experience recommends something that expensive, and it is clear the author had a prior thing going on the design of the Beolab. But I question it mainly because they never,ever never recommend anything that expensive in that magazine, but then again, it may be that good. So I don't disregard it, it just strikes me as very strange.

2. I have no idea about the reviewer, except I generally believe most reviewers try to do a good job and he seemed fairly technically knowledgeable during the review.

And I LIKE omnis, because you are not nailed to a sweetspot ...and no matter what anybody says, the omnis I have measured have better dispersion than any box speaker I have measured, by a fair amount. It is a tradeoff if you are not sitting in an exact spot, which, I agree, will tend to be the absolute best measured place if a room is done right. The question is, do you want a solitary hobby or one you share... do you want to sit in more than one spot? If so, omni, if no... box.

Cheers!
Chris