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What speaker do you passionately want to demo?

Beyond the slight curiosity of what speaker you'd "like" to demo (example: every Klipsch horn speaker), what speaker(s) would you "passionately" love to demo?  A brief explanation of "why" you like these speakers would be beneficial.

I'll start:

MBL 101 X-treme - almost a decade and reviewers still say it's amongst the best they'd ever heard.  Probably should be matched to the MBL Electronics

Living Voice Vox Olympian Horn - it's wood (maybe sounds more warm/organic), it's a horn, and it consistently gets good reviews at the Munich High End audio shows.

Muraudio SP1 - Electrostatic + cone hybrid speaker that received many rave reviews.  It's not an easy task successfully marrying the fast electrostatic to the slower cone to sound seamless.  This speaker was on my short list to purchase.

Voxativ AC-XP field coil driver - both Voxative and Pure Audio Project speaker offer the Voxativ AC-XP field coil driver as an optional upgrade, but it's an additional ~$7k (yow).  The reviews leads me to believe that this field core driver is sonically "significantly" superior above other choices.  

Mike Lavigne's Evolution Acoustics MM7 in his dedicated sound room.  The sonics of demoing speakers at storefronts or audio shows can be problematic depending on the audio chain and the room setup.  MikeL has a matured optimized setup that is sonically recognized as excellent by other serious audiophiles.  
kennyc
musicpod
192 posts
 
Demo, as in demo in my home:
1.  Vienna Acoustics Lizst2.  Vienna Acoustics Strauss3.  Vienna Acoustics Mahler4.  McIntosh XR505.  Klipsch RP600M
fleschler
2,021 posts
 
@steve59 Figure 6 includes a 10db rise in the bass attributed to the room as was this month's speaker; however, figure 3 in an anechoic response had a 5db rise in the bass as well.  Looks boomy to me.  I think the highs dropping off above 5kHz is too dramatic.  I prefer a more gentle drop off. 
henry201
144 posts
 
@fleschler
Your beloved Von Schweikert loudspeakers (the latest one SP reviewed), tweeter start rolling off at even lower frq. It’s also a beryllium tweeter, and as JA noted, this is how a pistonic tweeter behaves (Marten diamond tweeter does the same thing). It’s a very goods thing. Most JA room measurements show a significant room gain, and most of his gated measurements do have a bass lift; I just looked at the first speakers on SP list, the Dynaudio Confidence 30, which has almost 10db more output at 80Hz than 1KHz.

@steve59
I highly recommend you listen to the A5.
jerryrocks's avatar
jerryrocks
63 posts
 
@kennycThanks Ken - so I will add these to my list of 1! I listen to Magico A5's and truly believe it would take a lot to improve my lot.
fleschler
2,021 posts
 
@steve  I do not want to own an inefficient speaker.  I prefer speakers which have at least 90 db efficiency and/or a easy to drive impedance/phase angle.  The A5 has per Stereophile  "My estimate was slightly lower, at 86.5dB(B)/2.83V/m. The A5's impedance is specified as 4 ohms. Using Dayton Audio's DATS V2 system, I found that the impedance magnitude (fig.1, solid trace) did average around 4 ohms, with a minimum value of 2.6 ohms at 93Hz. The electrical phase angle (dashed trace) is occasionally high when the magnitude is low."  It does not meet my criteria.  Plus, I dislike the Q and S series speakers which I heard over 17 places (audio shows, dealers) as boring and uninvolving.   I suppose a treble drop off is a good thing but my custom listening room has activated charcoal chambered built in bass traps.  I don't need a bump in the bass, just accurate bass.  
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