ZYX R-1000 Series Omega-S


Some time ago, I had been considering buying one more new MC carts and had posted a thread under the title of “Phase Tech P-1G and ZYX Omega-S”. I have finally chosen the latter, i.e. ZYX Omega-S. For their basic design theories, please serve yourself browsing the official websites as I won’t repeat the details here. The following is my brief impression and unofficial opinion on the cart after playing it for around 50-60 hours in my system.

Setting up:
The arm tube or the baseline of the cart is roughly parallelled to a flat record when playing. The VTF applied is slightly less than 2.0 gm for the moment when the room temp is around 18-20 degree in Celsius (around 64-68F), relative humidity is around 80% when auditioning. The VTF applied sounded very good to my ears but couldn’t make it a cart with the best trackability on HFN and Analogue Productions test records (frankly, it doesn't really bother me:). In finding suitable VTFs, I would first experiment finding the lightest VTF which could track well on those test records (with this Omega-S, it was around 2.1-2.15g) with a minimum anti-skating force applied. Then, try lower the VTF by playing different music on different records (probably the ones that would be used in the listening sessions), the practical “sweet spot” of VTF for actual playing would be established according to our preference, and for this subject review sample is slightly less than 2 g.

Choosing step-up transformers:
Breaking in a cart is always time-consuming, Omega-S was of no exception. As its sound started to stabilize (like a bottle of Penfold's Grange in the decanter, taste excellent!!!), I began to play around with my SUTs (Phase Tech T-3, Stage 302, the one built in EAR 88PB). With Phase Tech T-3, the sound was marginally acceptable but the resolution and tonal balance was not the best. With Stage 302, it was not lively enough for such pricey cart, and the 22dB gain seemed to be too low for an MC cart with 0.24mV output. Good news was the hum and residual noise in the background was the lowest. But imaging and soundstage seemed to have rooms to improve.

For this preliminary review, the built-in SUT in EAR 88PB switched at 4 ohms was adopted. It offered the best possible imaging and soundstage with reasonable high/low extensions. It is believed 4-10 ohms transformer loading with gain more than 26dB is more feasible in my system when using SUTs. For your reference, ZYX recommends resistor loading larger than 100 ohms and ZYX's phono stage is usually set at 125 ohms. Bear in mind it’s not a conclusion nor should it be binding for everyone, in any systems. Even in the same system, as time goes by, all settings may change accordingly.

Listening sessions:
For quick review, I always begin with classical. IME, if an MC cart can sound “right” with classical, it can’t be too “wrong” with other music genres but not necessary vice versa. I will post some photos of the records I used later.

Spinning Wilhelm Kempff’s Franz Schubert Sonata A minor, D.845, Omega-S could unfold a full-sized grand piano between the speakers with lush harmonics and timbre complexities, though with a very slight tendency towards the warm side and a bit emphasis upon lowest octaves. This tendency, however, was proved to be a partial result of using EAR 88PB as the character could be diluted by rolling with some Siemens made PCC88s in V3/V4 (still experimenting other tweaks, I will report the results later). In general, I was really impressed by the real-life energy, transient attacks and complexities of the piano which could not easily be experienced with other carts. In comparisons, other carts sounded like a miniature 2-D image. To illustrate more, it was just like watching a 150-inch full screen (Omega-S) and a 50-inch flat panel TV (other entry level carts) between the speakers.

For vocals, Omega-S seemed to be able to smooth out some bad digital recordings by removing the excessive sibilations. It could be regarded as slight coloration of the cart. Personally speaking, however, I wouldn’t mind this type of “smoothness” as long as it’s not overdosed. Not all recordings are “perfect” in any system. If it could make the sonic presentations more enjoyable without an overwhelming character, it should be regarded as a suitable amount of dosage. Whether it’s a good or bad thing, it’s up to you and could be very system dependent.

Playing “Almost like being in Jazz” by Hugh Masekela, the bass for the first song, "You’ll never know", recorded on Side A is a bit exaggerated. It seemed Bernie Grundman had tried to adjust the tone control later on and made the rest of the recording as close to live performance as possible. Omega-S still presented the exaggerated bass for the first song in an acceptable way without losing any control. The dynamics of the flugelhorn blew the stylus to a slight tension state…Omega-S may need more break-ins or I have to fine tune the alignment, VTF, VTA, etc, later.

Conclusion:
These are my preliminary impression based upon the first 50 hours playing. No conclusion yet as the review continues…
128x128danwkw
[/quote]syntax and any one else who has auditioned both cartridges what differences between UNIverse and omega you are hearing.[/quote]

I think, they have not much in common. I listened carefully and I prefer the UNIverse.
Hi, Syntax.
If you don't mind, please write more about your opinions on these carts under this post, even if it's rather negative. I mentioned not only once here A'gon, I don't believe myself there is any "absolute best cart" for anyone in any systems.

IME, different carts have different strengths and weaknesses. What makes this hobby fun is that it's not simply plug in and play. There are lots of variety and combinations leading us to Rome or making a system sound right to one's ear.

VBR
Dan
My impression, I also used the Delos at that time.
I used it first in Phantom II, then switched to FR-64s later.
I used 2 different Phonostages with exact Settings for the internal impedance of that cartridge, one has 63dB gain in the Phono, the other 72dB.
Enough to hear every detail.
Records:
Original Decca SXL-2313, La Fille mal Gardee, side 2.
Gound-Faust Carmen RCA LSC 2449
Royal Ballet LDS-6065
Esther Ofarim ATR Mastercut
Harry Belafonte Streets I have walked LSP 1s/1s
There is everything on it to rate a component. Strings, Bass, soundstage, Detail, Echoes from the wall, Breathing, Soundstage, Naturalness etc.

Honestly, the Omega confuses me. I sounds nice at the first moment but when I listen to it longer, there are some things which are more or less comparable to a Koetsu, not to my former Zyx carts.
A kind of softness, the soundstage is not really existing. You hear that there is something in the back, but it is nearly impossible to locate it properly.
The frequencies are also a bit different. I think, they are not true in tone. They are different from highs of lows of course and - this is remarkable - in a way it is a levelling of tones.
Interesting, the performances will get a new direction.. Next, the Tone is not really clear. Always a little bit soft, no sharp start/stop and the Soundstage is not clear to the back too. Like listening through a thin curtain. A very good solution for those who hate their CD Player.
Anyway, all this confused me. It is so different to my other cartridges listed in my System.
Anyway,I decided to mount the Lyra Delos as a comparison. This is the latest Design, pretty modern. You know, some say, a cartridge needs endless hours to get into life, to perform best. etc. Not true.
The Character is there in the first second. All the following is getting a little bit better, but it will never change from horrible to super. Only in the opinion of an audiophile when he spent multithousand $$ and his ears will get used to average performance. After a while this "average" is transformed into "great". Modern world.
I like comparisons with „cheaper“ units to discover what is going on in „High End“. I got some very interesting results with that in the Past and decided to follow this route. The Omega really remembers me to the Koetsu „Sound“ of the Rosewood Sig. Platinum which was mounted in the Phantom for an Audiophile who came by.
I did listen to some of them, Black, Rosewood, Urushi, Rosewood Sig. Plat., Onyx and some more... the intentional blooming of every note is so artificial, it is creating a new description in High End: „Analog Warmth“. The bloating and smearing of waveforms can satisfy a lot of customers who are not happy with their Systems or want to tune it in one or the other direction.
This Omega has sometimes double modulations, I listen to a female singer, she holds her voice and while she holds the tone, suddenly I hear a kind of overdub one range higher. A kind of additional amplification in the same time section.
The mysterious added overdub in high frequencies shows, that this „Ball-Design“ created its own kind of life. This design generates multiple, time-shifted echoes of each waveform. In a sufficiently revealing system that is actually worse. Sonically, I predicted strong but thickened bass and macro-dynamics, plus phase-shifted confusion in the entire upper end of the spectrum. In brief, harmonic chaos. A great experience, it made me listen my records new again.
My main listening is Classic, mostly old records from 1960 with a few microphones only. For a comparison I have used an multi Tonearm Table (Micro Seiki 5000 with Vibraplane) but most was done with a Basis Debut Vacuum turntable, fitted with Graham Phantom II Arm and 2 Armwands (Titanium, Phantom II), the results were always identical.

I tried some rock albums too, which are so much more forgiving of many system flaws.
The results didn‘t change.

Ok, Lyra Delos
From the first tone I knew, this is a really interesting cartridge. Better in every area. Clear Tone, superb soundstage, excellent detail without sharp analytics (compared to Air Tight for example), this cart makes a lot different than the Omega. It‘s dynamic impression, specially in micro-dynamics is very rare in this price range and even rare in multiple price range. The ability to produce a real 3-dimensional „picture“ and soundstage is remarkable.
The transients in vocal sibilants, even with the most demanding female recorded voice (Esther Ofarim, a German Mastercut) are ultra clean and precisely delineated.
This is the real Deal for the money. The Details can be focussed, the Soundstage has a kind of Reality, the imagination of size is pretty good. It doesn‘t serve the details en bloc into the listeners face, it is more like sitting in the position of a microphone.
The mysterious added overdub in high frequencies shows, that this „Ball-Design“ created its own kind of life. This design generates multiple, time-shifted echoes of each waveform. In a sufficiently revealing system that is actually worse. Sonically, I predicted strong but thickened bass and macro-dynamics, plus phase-shifted confusion in the entire upper end of the spectrum. In brief, harmonic chaos. A great experience, it made me listen my records new again.

...

I tried some rock albums too, which are so much more forgiving of many system flaws. The results didn‘t change.
I think I understand. Fascinating review, thanks.