YG Acoustics Sonja 1.3 loudspeaker Specifications

Sidebar 1: Specifications

Description: Three-way, sealed-box, floorstanding loudspeaker. Drive-units: 1" (25mm) ForgeCore silk-dome tweeter, two 6" (152mm) aluminum-cone BilletCore midrange drivers, two 10.25" (260mm) aluminum-cone BilletCore woofers. Crossover frequencies: 65Hz, 1.75kHz. Frequency response: 20Hz–20kHz, ±1dB. Frequency range: <20Hz–>40kHz. Sensitivity: 88dB/2.83V/m. Impedance: 4 ohms nominal, 3 ohms minimum.
Dimensions: 70" (1790mm) H by 17" (340mm) W by 28" (720mm) D. Weight: 506 lbs (230kg).
Finish: Anodized aluminum.
Serial Numbers of Units Reviewed: 511 (both Sonja 1.1s), 510 (both Sonja 1.2s), none visible (both Sonja 1.3s).
Price: $106,800/pair. Approximate number of dealers: 15.
Manufacturer: YG Acoustics LLC, 4941 Allison Street, Unit 10, Arvada, CO 80002. Tel: (801) 726-3887. Fax: (303) 420-0156. Web: www.yg-acoustics.com.

COMPANY INFO
YG Acoustics LLC
4941 Allison Street, Unit 10
Arvada, CO 80002
(801) 726-3887
ARTICLE CONTENTS
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COMMENTS
joelha's picture

It's amazing to me how often high priced equipment elicits contempt.

If you don't like the equipment, don't buy it.

But why the contempt and mockery? Is there something about people spending lots of money on high-end product which makes you unhappy?

Do you stand out in front of Lamborghini dealerships upset at the purchases made there yelling "Hey, you could have bought a nice Mercedes instead. What are you, stupid?"

Notice to contemptuous posters: The buyers of high-end product are spending their money, not yours. And even if the'yre the most foolish people in the world for doing so, why do you care so much?

In the case of the YG Sonja 1.3's, they sound absolutely remarkable. I've owned some very high-end speakers in the past and none of them, in my experience, matches them. They do reach realistic sound levels and convey a realism I've found to be virtually unique in the hobby.

I speak from experience as I own a pair.

For those who find my purchase unacceptable, I apologize for the upset my greater enjoyment (and support) of our hobby is causing you.

Joel

MVBC's picture

setting a strawman is typical response to pointing out troubling facts based on technical attributes. Your comparison with a Lamborghini is ill advised since sports cars engines are tuned to provide the best weight/power ratio, which 85 or 88 db/2.83V/m for a speaker is not.

JohnnyR's picture

A $108,000 speaker that requires a special amp to drive it because of the horrible impedance and phase response isn't a well thought out or well designed product.

joelha's picture

I've used Krell and Halcro amps to power the Sonja's.

What's so special about them?

And as for your being glad I spent the money instead of you . . . so am I.

Joel

JohnnyR's picture

had problemns driving the speaker. Go back and read what he reported in the measurement section. Why is it that both YG and Wilson have probelms with speaker impedance dips, is crossover design the weak part of their company?

jmsent's picture

Any speaker that has a crossover point this low between woofer and midrange is going to require some pretty large inductors and caps to get the job done. This, in combination with the paralleled woofers and a very low resonance frequency is going to result in a very tough load to drive. The same can be said for Wilson's designs, except that they use reflex enclosures. It's nothing new. I had a pair of the original B&W 801's that were well beyond the current capabilities of most amplifiers of the day. At least today, there are behomoths from the likes of Pass and others that can drive the YG's. Personally, I don't think designs like these are well suited to passive crossovers. A well executed active design in this configuration would make much more sense technically, but alas, the "high end" market rejects such products.

GeorgeHolland's picture

As you suggested, using an active design (wasn't the model that came before this active?) Using drivers with higher impedance voice coils so that the parallel combination doesn't dip too much. Using a better crossover design. Using a single larger woofer, a 15 inch instead of two 10's although it's the midrange drivers that are the culprits with their parallel impedance dipping too low around the 200Hz point, fix that problem and it would be okay.

Please understand I am not saying the YG is a horrible speaker but for the money it should be better in this case. Frequency response wise it's very good, the tweeter looks a bit ragged for the price. If they addressed the impedance problems then it would be a lot better. KEF years ago had a model that was virtually flat in impedance across the frequency range.

joelha's picture

If low distortion and remarkably flat frequency response are hallmarks of a weak crossover design, maybe you should re-read the measurements.

In spite of any issues John Atkinson may have had with driving the speaker in one instance, he still concludes with "Class A, all the way".

Have you even heard the speaker?

Between your theory regarding weak crossover design and my first-hand experience, I'm going to have to go with my first-hand experience.

And if you can find something better, at any price, please let me know what it is so I can audition it.

Joel

JohnnyR's picture

which may be partly attributed to the crossover design along with driver choices made by the designer and builder have already been mentioned above. Maybe YOU should re-read the measurements yourself. Ignoring the faults already pointed out isn't going to make it any better, sorry.

Atkinson gives out a lot of superlatives to undeserving components, in MY opinion that have problems which are convienly ignored, again MY opinoin.

Sorry again but that "theory" you mentioned is based upon educated scientific knowledge not from some one who just spent too much money on a speaker and was "wowed" by it.  Congrats on liking your new toy, flaws and all.

Have you checked out the two links posted earlier with the open baffle speakers? Have you listened to those?

ChrisS's picture

Comrade JRusskie,

How does your opinion compare to first-hand experience and measurement? Do you think that anything that happens solely in your imagination has any bearing on the real world?

joelha's picture

So let's see, Atkinson is wrong for being so impressed with the Sonja's, I'm wrong for being so impressed by the Sonja's, and you, the one of us three who hasn't heard them, knows better.

Congratulations.

And yes I've heard the Linkwitz's and with all due respect to those who love them, in my opinion they're not in the same league.

I'll offer a theory of my own: It really bugs you when anyone spends six figures on an audio product.

Too bad.

I'll continue to enjoy my "toy" and you can continue to be annoyed.

Joel

anomaly7's picture

Having heard YG's at shows, I'm convinced they sound as good as they look.

If only you had an online contest where I could win a pair of these...

ChrisS's picture

"When you ain't got nothing, you got nothing to lose
You're invisible now, you got no secrets to conceal.

How does it feel
How does it feel
To be on your own
With no direction home
Like a complete unknown
Like a rolling stone?"

Comrade JRusskie, since you revealed long ago that you have nothiing valid to contribute to the discussion of audio products, you are now just simply annoying.

Patrick Butler's picture

While transducer design has come a long way in the last 50 years, we are still not close to designing and manufacturing anything that could be described as a perfect transducer.  State of the art designs are merely that- the best examples of the art as currently exists.  They all have problems.  The best works are artful compromises, and anybody that tells you differently is selling something.

lap's picture

I just want to say that I greatly appreciate all of you out there that are so worried about someone like me who has "wasted" my money on a pair of YG speakers. I currently own Anat lll Signatures.  Although I do own my own house, my own cars and actually have enough money in the bank to retire now if I wanted to it's very comforting to know that there are so many financial experts out there looking out for me....and audio experts to boot.

pulsetsar's picture

I was wondering about JA's decision to use the Vandersteen Treos (about $6k) in this review as a comparison in the measurements section. Was it just fresh in his mind or was he so impressed by those speakers he felt the need to compare them to ones almost 2 orders of magnitude more expensive! Having heard the Treos I have to agree that they are pretty awesome. Since I wasn't able to find anything else in their price range that could compete, by my ears, I put in order in recently for a pair with Richard Vandersteen himself answering the phone when my dealer called him - talk about service!

John Atkinson's picture

pulsetsar wrote:
Was it just fresh in his mind or was he so impressed by those speakers he felt the need to compare them to ones almost 2 orders of magnitude more expensive!

Mostly the former but definitely some of the latter too,

John Atkinson
Editor, Stereophile

brettmendes's picture

I always find it interesting how dedicated certain people in the audiophile community are to complaining. It's not like some 18 year old kid is saving his pennies to purchase a pair of these. There's no one who's going to save up $100K and then spend it on a pair of speakers. So who do these malcontents think they're defending? The speakers are bought by those that can afford them. I certainly can't and am unlikely to ever be able to. But I still can be curious about them, and these reviews satiate my curiosity. Isn't that part of the point of reviewing them in the first place? 

-Brett

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