Frugel-Horn XL with Mark Audio Pluvia or Alpair 11 MS

Hi. I've not yet built my own speakers, but like the idea of trying it. I stumbled across Mark Audio after seeing a YouTube video about the Pearl Acoustics Sibelius speakers. They are ridiculously expensive for something with no crossover components and drivers at less than £100 a pair. If they are as good as the hype, I like the idea of building my own using the same or similar full range drivers. However, a kit would cost about £600 and the suppliers don't appear to have any demo facilities to listen before deciding if they are any better than my current Mordaunt Short MS908i Avants.

Is there anybody on here within striking distance of Cheshire that would be prepared to let me listen to anything similar that you have built? I'm thinking about either the Pluvia or Alpair 11 MS drivers in either Frugelhorn XL or the Pensil enclosures.

In the absence of any opportunity to listen, can anyone steer me in the right direction? I really like my current speakers but wonder if there is another level of performance out there in terms of retaining the base extension but improving the level of detail and precision of the soundstage?

According to the KJF website, Alpair drivers are superior to the Pluvia's and the mono suspension is a development, but the frequency response graph of the Alpair 11 MS appears to have a heavy dip half way up, well within the audible range. Is that a problem?

If it helps, my amp is a Cambridge Audio Azure and the room I listen in is about the size of a single garage.

Many thanks in advance for any help or advice.
 
The Sibelius is similar to the Pensil. We also did a special version of the FH3 for them, but with A7,3 was as pricey to build as the A10.3 ML-TL.

The Alpairs (as a generalization) are better than the Pluvia. The CHN-110 is likely the price leader and works really well ignoring the price. I tried it in FHXL, works well, but Joan probably drags abit more out of them.

If you do supreBaffles that gives a better opportunity to play with different drivers.

dave
 
When you say A11MS could be more refined, but perhaps more finicky, what do you mean by finicky? I'm struggling to understand the performance differences between CHN, Pluvia and Alpair. I don't think there is a huge difference in cost, but the hierarchy on the Mark Audio website appears to be CHN then Pluvia then Alpair in terms of good, better, best? Are all Alpairs mono suspension or do they do two versions? If so, is mono suspension better?

Thanks
 
It has a single suspension. That may kead to loss of control at the bottom. This idea is still mostly theoretical but soe snippets are coming in that getting the bottom just right can be a bit more fiddly.

You get higher resolution/Higher DDR as a result of that monoSuspension. Only 1 suspension resonance character, there is no fighting with a second different suspension. This is most obvious at higher frequencies where the wavelengths are smaller.

Now, it should be noted that when the A11ms was first released at a Brit hifi show, Scott and crew spent some time after the show closed to get the A11ms to misbehave. They report no misbehaviour try as the might.

dave