Wilson alexx

Anyone have experience with pairing BHK 300 signature mono amps with Wilson Alexx speakers?

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No, but I’m REALLY tempted to try both BHK300 as well as M1200’s with Watt Puppy 8’s

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You’re definitely going to need a high current amp that doubles as impedance halves. I suspect the BHK300’s would do the job; if not the BHK600’a are right around the (albeit, not inexpensive) corner

Nominal Impedance
4 ohms, 1.5 ohms minimal @ 2850 Hz

From John Atkinson’s measurements:
“The combination of 3 ohms magnitude and a phase angle of –44° between 56 and 59Hz will stress amplifiers, as will the combination of 2.2–2.6 ohms and a phase angle of +40° between 4 and 5kHz. Alexx owners need to match the speakers with amplifiers unfazed by very low impedances.”

I have BHK 300’s and I love them with my Sasha’s.

That said, I have a California Audio Technology CAT 600.2 FD XPR that was $23,000US when new as a back up and I prefer the BHK300’s.


I heard a demo of the Alexxes with the Thor subs and D’Agostino relentless amps. Best system I have ever heard. Spooky real.


There was a discussion around the problem of the BHK250 to drive a Maggie 0.7, maybe some thoughts from the thread help here.

Man, I bet this sounded incredible!

Oh yes. I can’t remember what digital front was used, though.

I heard Magico M6s with Nagra electronics at the same show, but was slightly less impressed. Maybe the room acoustics.

I had the fortunate experience of listening to the Wilson XLF at the 2012 California Audio Show. It was some time ago, but it was also unforgettable. Definitely the vinyl was much more incredible and stick in my mind more than the digital.

[ Wilson Alexandria XLF ($199,500/pair) VTL Siegfried Series II Reference tube mono-block amplifiers ($65k/pair) VTL TL7.5 Series III Reference Line Preamplifier ($20k) VTL TP6.5 Signature Phono Preamplifier ($8.5k) dCS Scarlatti Digital Playback System ($80k) AMG V12 turntable ($16.5k) Clearaudio Goldfinger Statement cartridge ($15k) HRS SXR Audio Racks ($25k) Transparent Opus cables and Power Conditioner ($90k]

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My Wilson Dealer has the XVX set up in his main listening room and he was driving them with a 150 Watt McIntosh Amp and it sounded great. Wilson’s are fairly efficient amp wise if not efficient dollar wise.


I wish I had an Alexx pairing problem :wink:


I suspect those who can afford the Alexx will lack neither the will nor the resources to purchase an amplifier to drive them to advantage.

I recommend the D’Agostino Relentless, based on what I heard. And it’s light and affordable too :wink:.

Dag and Wilson go extremely well together. However my Wilson’s are much easier to drive at 91 dB @ 1W @ 1 meter @1 kHz .

When Peter McGrath flow to London to demo the original Alexx at my dealer the system was:


  • Preamplifier: Dan D’Agostino Momentum Preamplifier
  • Phono stage: Audio Research Reference Phono 2SE
  • Power amplifiers: Dan D’Agostino Momentum M400 monoblock (x2)
    Source components
  • DAC: dCS Vivaldi
  • Turntable: Vertere Record Player RG-1 with Koetsu Jade cartridge
  • Transparent Opus interconnects and speaker cables

With the new Alexx, they appear to be using darTZeel NHB-468 mono blocks and the same Dan D’Agostino Momentum Preamplifier.

Holy smokes. I’m going to try and make RMAF this year. Maybe hear something of this magnitude…

Now have the Alexx with the psaudio BHK monoblocks…sound fantastic