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Worst measuring loudspeaker?
- Thread starter Purité Audio
- Start date
Okay. Do Wilson speakers have a "house sound"? Is there a clear line if you look at their models' FR? Here is a compilation of most Wilson models that have been discussed in this thread. What do you think about the house sound hypothesis, can it be true? :
Wilson Benesch Square One:
www.stereophile.com
Wilson’s, ‘Sabrina X’
www.hifinews.com
Wilson Sasha V
www.stereophile.com
Wilson Audio Specialties Sabrina V:
stereophile.com
Wilson Benesch Square One:
Wilson Benesch Square One Series 2 loudspeaker Measurements | Stereophile.com
Sidebar 3: Measurements John Marks enthused about this elegantly finished stand-mounted speaker from England, concluding that "the Square One is a standout performer that I think absolutely deserves a very high Class B (Restricted LF) rating in our 'Recommended Components.'"
Wilson Audio SabrinaX Loudspeaker Lab Report
Lab Report Although the SabrinaX's drivers are either new or improved, the forward response characteristic of the 'X' clearly inherits the dips at 380Hz, 2.8kHz and subsequent peak at 4.9kHz, plus associated mild driver resonances [see CSD waterfall, Graph 2], that we recorded for the original...
www.hifinews.com
Wilson Audio Specialties Sasha V loudspeaker Measurements | Stereophile.com
Sidebar 3: Measurements As I had done for the Wilson Sasha DAW, which Sasha Matson reviewed in January 2020, I measured one of the Sasha V speakers, serial number 0127, in Sasha's listening room. We lifted the speaker onto a small dolly so that we could rotate it for the off-axis response...
Wilson Audio Specialties Sabrina V loudspeaker Measurements | Stereophile.com
The technical evolution of the Sabrina V over its forebear, the SabrinaX, can be gleaned by comparing a few key performance indicators. For example, the newcomer still achieves a higher sensitivity than the 87dB specification at 88.9dB despite being slightly less sensitive than the 'X (89.6dB...
RexrothPigeon
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Yes. It's the sound of a cash register.
Thank you, I'll be here all week. Tip the waitstaff, try the veal, etc.
FYI, Wilson Benesch is a completely separate and unrelated company to Wilson Audio. Still pretty bad, but as an FYI.Okay. Do Wilson speakers have a "house sound"? Is there a clear line if you look at their models' FR? Here is a compilation of most Wilson models that have been discussed in this thread. What do you think about the house sound hypothesis, can it be true? :
Wilson Benesch Square One:
View attachment 500277
Wilson’s, ‘Sabrina X’Wilson Benesch Square One Series 2 loudspeaker Measurements | Stereophile.com
Sidebar 3: Measurements John Marks enthused about this elegantly finished stand-mounted speaker from England, concluding that "the Square One is a standout performer that I think absolutely deserves a very high Class B (Restricted LF) rating in our 'Recommended Components.'"
View attachment 500278
Wilson Sasha VWilson Audio SabrinaX Loudspeaker Lab Report
Lab Report Although the SabrinaX's drivers are either new or improved, the forward response characteristic of the 'X' clearly inherits the dips at 380Hz, 2.8kHz and subsequent peak at 4.9kHz, plus associated mild driver resonances [see CSD waterfall, Graph 2], that we recorded for the original...
View attachment 500280
Wilson Audio Specialties Sabrina V:Wilson Audio Specialties Sasha V loudspeaker Measurements | Stereophile.com
Sidebar 3: Measurements As I had done for the Wilson Sasha DAW, which Sasha Matson reviewed in January 2020, I measured one of the Sasha V speakers, serial number 0127, in Sasha's listening room. We lifted the speaker onto a small dolly so that we could rotate it for the off-axis response...
View attachment 500281
Wilson Audio Specialties Sabrina V loudspeaker Measurements | Stereophile.com
The technical evolution of the Sabrina V over its forebear, the SabrinaX, can be gleaned by comparing a few key performance indicators. For example, the newcomer still achieves a higher sensitivity than the 87dB specification at 88.9dB despite being slightly less sensitive than the 'X (89.6dB...
As far as the "house sound" it's the usual Hi-Fi batman logo response curve. Bass peak, low mid dip, presence/low treble dip, elevated upper treble.
OP
- Thread Starter
- #2,105
New JBL, 2-way £15k.The red trace is the left speaker the black the right!
What is blue? Do you have a source for these measurements?
Could you mention the source next time, I'd appreciate being able to check the other measurements. I found it, but it took a few minutes.
Hifinews review for the JBL Summit Ama anyone looking.
To me, it's a strange measurement, it's a large difference between the two drivers, and one that spans from 1.1 kHz to 5 kHz, meaning both the woofer and the tweeter are affected. So, either both drivers are out of spec, or it's the crossover, at this level of pricing that seems rather off.
15 degree off-axis, mentioned the source in my post above.
OP
- Thread Starter
- #2,109
Sorry, Hi-Fi News.
www.hifinews.com
Keith
JBL Summit Ama loudspeaker
With its three new Summit series loudspeakers, JBL is continuing its journey through the Himalayas. The Makalu and Pumori floorstanders, plus the standmount Ama auditioned here, join its existing ‘Project’ Everest DD67000 [HFN Aug ’14] and K2 S9900 [HFN Aug ’10] flagships in taking their name...
www.hifinews.com
Back (way back) in the day, Hi Fi News was a high quality and highly technical source, published many designs by John Linsley-Hood, including for test equipment, which I built. Which apropos of nothing reminds me, I once went into a newsagents in B'ham (UK) and asked for Hi Fi News, only to be told "We don't have HiFi Nudes. What about Girls on Show?"Sorry, Hi-Fi News.
KeithJBL Summit Ama loudspeaker
With its three new Summit series loudspeakers, JBL is continuing its journey through the Himalayas. The Makalu and Pumori floorstanders, plus the standmount Ama auditioned here, join its existing ‘Project’ Everest DD67000 [HFN Aug ’14] and K2 S9900 [HFN Aug ’10] flagships in taking their name...
As the differences between left and right are pretty significant and seemingly limited to the lower bands of the horn, I would suspect one of the compression drivers to be defective or not properly assembled (leaking chamber for example).
If this has left the factory as is, I would seriously question QC. A simply FR measurement under assembly line conditions (not even anechoic) and comparison with a golden sample reference FR should prevent such deviations. We should note that this is the most sensitive band of our ears and problems with both tonality differences and localization issues are to be expected if the differences exceed 1dB.
My little mechano23 measure effectively identically, as in the FR and impedance charts are basically overlapping lines. These were a DIY job in my garage. The fact that JBL can't get a $15k speaker out the door and have them be matched leaves me at a loss for words. What are these companies even doing? Why are they even bothering to make anything? It's just waste.
None of this makes any sense to me. We know so much about loudspeakers, we know what it takes to design a truley exceptional one, the entire process from start to finish. It feels like in the case of JBL there's been a regression internally. You're supposed to iterate and improve upon past work, but they just clearly are not.
DSJR
Master Contributor
Bloody 'ell JBL, what the eff are you playing at? At THAT price? (how much is the 4367 again?)Sorry, Hi-Fi News.
KeithJBL Summit Ama loudspeaker
With its three new Summit series loudspeakers, JBL is continuing its journey through the Himalayas. The Makalu and Pumori floorstanders, plus the standmount Ama auditioned here, join its existing ‘Project’ Everest DD67000 [HFN Aug ’14] and K2 S9900 [HFN Aug ’10] flagships in taking their name...
Without acknowledging the awful response compared to its cheaper peers, the giant port-hole in the back rang huge alarm bells for me at least. I very ,uch doubt any bass from this box would be that clean (I haven't read the review as yet)
Reviewer loves them with the one provision that they are not 'warm'. Possibly that peak? He does not mention the imbalance
As usual these days the review is mostly 'I played this and that and it sounded good.' Waste of time.
Possibly this review pair have already done the rounds in Europe and got damage in transit? Even so hard to see why you'd choose these rather than the 4367.
Check the scaling. Matching the scaling that Erin uses, it's really not as bad as it first appears.
That said, almost 2dB error in a pair is quite rough.
Differences like these could be from slightly different mic positions (vertical), but that would also indicate a less than stellar design.
Triangle Titus EZ (same 30 dB vertical scale as Hi-Fi News):
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How far was the mike, 1m?
Yes, tiny speaker. No difference at 2m.
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