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sme 20

SME Series 20/2

This finely engineered precision turntable offers a new listening experience from your treasured vinyl and 78's. Massive construction, extensional damping of major surfaces and lack of vibration from moving parts ensure tightly controlled detailed sound and stable stereo imaging. The Model 20/2 illustrated is equipped with the acclaimed Series V 'the best pick-up arm in the world'.

In an electro-mechanical record replay system a major problem is extraneous vibration. This will come from numerous sources including air and structure borne vibrations from loudspeakers, vibrations caused by groove modulation and those set up by stray electrical fields and mechanical imperfections in the turntable's moving parts. Addressing these problems two simple but important facts influence design. The higher the mass and stiffness of a body the less it will flex and vibrate; the duration of a vibration can be shortened by suitable damping.

The Model 20/2 weighs approximately 18,2kg and this is especially significant in relation to its size because in meeting the requirements of mass and stiffness it is density that matters, a point that is often overlooked , because sheer size can be impressive!

The sub-chassis measures only 420mm by 320mm but weighs 6,8kg. Its depth, 9,5mm resists flexing at low frequencies and its high frequency resonance is attenuated by efficient extensional damping. The method of suspending the sub-chassis is particularly important. In conventional turntables metal springs often contribute significantly to colouration. Sometimes even their size and nature can be identified by experienced ear!

The Model 20/2's suspension has no sonic footprint. It suspends the sub-chassis on 32 purpose moulded 'O'-rings. The method of anchorage allows the rings to be removed or replaced in a matter of moments. Vertical and lateral movements of the suspension are controlled by a large fluid damper.

Sub-chassis decoupling is sufficient to prevent acoustic feedback. Beyond this a degree of coupling is considered necessary, allowing unwanted acoustic energy to be drained away, being partly converted into heat as it passes through the damping fluid before final dissipation in the mass of the base and its supporting structure.

When playing a record two sets of mirror image audio vibrations are reacted, one in the arm and the other in the platter and both will pass into the sub-chassis in the course of dissipation. The usual 'closed loop' construction does not address the problem of their differing phase however so in the Model 20/2 the interfaces of the mounting plinth and bearing assembly with the sub-chassis have received special attention to provide individual paths of the required impedance.

The design aims of the Model 20/2 can be summarised thus:
Elimination of extraneous vibration effects. Orderly control of unwanted signal vibrations. Pitch stability. Freedom from radiated fields. Freedom from critical adjustments and setting up procedures. Long term dependability. An all embracing list? Certainly one to which careful attention should remedy most turntable ills.

Review:

The SME Model 20 is a modern classic. Now that a new power supply has taken it to 20/2 status, David Wiley thinks its unbeatable.

What is so special about a record a player that costs over £4,500 without cartridge? Firstly the British hi-fi enthusiast has been accustomed to paying a lot for good record players, ever since the hugely expensive (for its time) Linn LP12/LVII Ittok was released at the beginning of the '8Os. In this decade it became commonplace for the record player to take the lion's share of the budget as it became apparent that the skills required to build really top-class players were very expensive. Despite the massive lowering of costs of just about all things electronic, precision engineering remains as expensive as ever. Secondly, there is the small matter of time. The Model 20 is designed to 'last a lifetime' and is engineered to do so, with the minimum of service or set-up hassles. Averaged over a life span of 20-30 years the price seems reasonable. This truly is the only record player any practical person will ever need

The original turntable released in 1992 was called the Model 20 and cost £2,500 without an arm. With a 'special edition' Series V tone arm fitted, it became the Model 20A player and cost around £3,800. By mid 1995 the price for a Model 20A was a little over £4,000. Earlier year it became apparent that the outboard power supply would not meet CE regulations, so rather than modify the existing unit a decision was taken to design an all new supply. The improved power supply allowed a better motor to be used and these changes improved the performance of the player significantly. This became the Model 20/2, currently priced at £3,402.51 and the Model 20/2A at £4,863. At all times there was a small but worthwhile saving of around £150-£200 to be made by purchasing the turntable and 'Special Edition' Series V arm together as the complete player. By word of explanation, the 'Special Edition' arm is a specially selected Series V, detailed in gold to match the Model 20 and 20/2 turntables.

DON'T JUDGE BOOKS...

Most people's first reaction on seeing an SME player for the first time is to comment on how small it is, and then, when invited to lift it, they are amazed by the weight. The footprint is smaller than any other serious player - it will fit inside the plinth of a Roksan Xerxes, yet it weighs well over 40lb, at least twice the mass of an LP12, Xerxes or Pink Triangle. The player is deliberately small and heavy, designed that way to reduce vibrations, which are further controlled by the huge damping post under the main bearing housing. This control of vibration is fundamental to the design of the player and goes much of the way to explaining the stunning tonal and dynamic neutrality that it exhibits. This neutrality and even handed behaviour is the great strength of this player, in fact I would say that it imposes less of its own character onto the music than any other player I have ever used. The SME Model 20/2A is not 'boppy', it does not 'boogie' it isn't 'fast' nor does it exhibit outrageous 'dynamics'; in fact these euphemisms for an identifiable sonic character that are so often used in praise of other players, simply do not apply. In hi-fi terms this player is the absolute embodiment of the term, 'less is more'!

SOUND QUALITY

The Model 20/2A has remarkably little identifiable sonic signature of its own. This lack of character has caused some commentators to suggest that this player is somehow bland or boring - "rather laid back" is a comment I have heard often. To suggest that I think these people are wrong and that they are completely missing the point of this player is to seriously understate my views.

Changing the cartridge alters the sound so completely that it's crystal clear just how neutral a platform the turntable and arm provide, it enables any good cartridge to really give of its best. Different production styles become obvious, good performances sound great and great performances simply take your breath away. Lesser performances are not ‘pulled apart' as happens with a fair few other decks; and in some cases, performances that reflise to involve the listener on lesser players really come to life on the 20/2A. Beware though, there are musical performances out there that are genuinely mediocre and the SME absolutely refuses to 'paper over the cracks'. It is also pretty tolerant of the quality of normal pressings, surface noise is not exaggerated and even older, well played records can sound very good indeed. Some 'audiophile' and other premium quality pressings sound absolutely stunning, but then so do some of my vintage Decks and Blue Notes. All in all, if you're records refuse to involve you, then you can lay the blame firmly at the feet of the musicians and the cartridge.

Comparisons with this player are difficult as there are few, if any, comparably priced players easily available. Most of the recognised good players (Lines, Micelles, Roksans, PTs etc) are all about £1,000£1,500 less expensive, but interestingly it is the comparisons with these less expensive players that most enthusiasts will be interested in making. For the dedicated vinyl lover, who is seriously thinking in terms of that final major upgrade, the 20/2A is an absolute must audition. Once assembled, this player is virtually immune to variations in set-up, it does not go out of adjustment and does not require a visit to a dealer every year or two for a reset or other servicing. Such adjustments as maybe required in time can be done by the owner in about 10 minutes and moving the player to another location is very simple.

 

Furthermore the player does not need an expensive support - a rigid, flat surface is all that is required. SME recommends placing the player on a sheet of metal or glass, about 5-6mm thick, placed on a flat table, a simple and elegant solution that works well. Improvements can be made by using a top class support like the Townshend Seismic Sink, but the improvements are relatively small compared to what this excellent support does with most other players.

Long term users of other players can sometimes find it difficult to come to terms with the fact that the SME is not 'a better Linn', nor is it 'a better Roksan' or a better anything else - it is totally itself. The lack of sonic signature can be a problem, when coming to the SME from any other, there is an immediate feeling that something is missing, that some aspect of the performance is gone. It takes a while to realise that what is missing is the character of whichever player you are used to, and unconsciously using as a reference. Anybody who is lucky enough to live with an SME for a period of time finds that adjusting back to any other player is really very difficult. After a while, the almost total sonic invisibility of the player becomes normal and the way that the character of other players simply gets between the listener and the music comes as something of a shock. A good recording with a well defined soundstage will produce a well defined soundstage on playback, where as a less good recording will not. It really is as simple as that.

CONCLUSION

If I have appeared to be too uncritical of this player, then I apologise but it is one of the few truly great components to come my way in recent years. As an evaluation and demonstration tool the 20/2A is unsurpassed. On occasions I have tried to set up top class systems only to be frustrated when, despite hours of setting up and fine adjustment, the system simply fails to gel. This never happened with an SME player at the front end! I can specifically remember setting up a pair of Martin Logan CLS1 lz's with top quality amplification to evaluate a highly regarded and very expensive CD player. The sound produced was so poor despite hours spent on the system set up, that I actually began to think that there was something wrong with the speakers! After the CD player was removed, the SME was connected and a record placed on the platter. The result was quite superb.

 

Listening for pleasure gives another insight into its qualities, it is the only player that I have ever used that is totally forgetable. In fact you forget that you are listening to records, you forget that other record players even exist, you forget about everything but the music. I rest my case.

David Wiley formerly ran
The Sound Organisation dealership

Specification

Dimensions: 420 x 320 x 155mm.
Packing: Substantial case.
Net weight with power supply: 18,2kg
Shipping weight approximately: 25,0kg

The Model 20/2 precision turntable is available in the U.K. from leading audio stockists only. Availability outside the U.K. is made through appointed distributors in the countries concerned. Please contact our sales department for further information.

  Four point suspension for stability.
  Sub-chassis suspended on sixty-four strands of rubber in the form of thirty-two purpose moulded 'O' rings.
  Trimming screws for suspension adjustment.
Central fluid damper controls sub-chassis motion a offers resistive ground-path for acoustic signals.
Two screws lock down the sub~chassis and seal the damper for transport.
19mm diameter main spindle machined from high/chrome steel hardened, ground and super finished.
Screw down record clamping system minimises record resonance.
4,6kg machined platter with unique lsodamp face.
Generous use of extensional damping and resistive loop construction ensure sonic neutrality.
Adjustable ball feet with optional compliant inserts.
Four jacking screws built into the sub-platter allow the thrust bearing to be off loaded for transit.
Electronically commutated 3-phase, high-torque motor. Special design virtually eliminates cogging.
Large diameter strobe disc supplied allows precise adjustment of standard speeds.
Speed range (rpm): 33 1/3 = 27/40, 45 = 40/50 and 78 = 60/100.
Fully shielded in-line control unit. LEDs indicate the main functions. Mains voltage selector for AC 115 & 230V +/-10% - 50/60Hz.
Power consumption - 9 watts.

 

   

MICHELL TecnoDec Michell's new TecnoDec is essentially a latest-spec GyroDec with the expensive bits stripped off. To wit, it has no suspension to speak of, and lacks its bigger brother's beautiful suspended weights, in all their gold-plated splendour. Frankly though, if I was going to strip bits off the Gyro to slash cash, these are precisely what I'd bin. The advent of the new DC motor (its source still a well kept secret!) has made the new TecnoDec even more speed-stable than the old, QC-aspired AC Orbe complete with that massive massloaded acrylic platter. In the new DC powered world, weighty platters would appear less essential.

Michell GyroDec SE Once you hear the Gyrodec SE Mk.II (or rather, don't hear it), you know it’s going to be in your system for the long haul. With a naturally balanced cartridge, I have not heard reproduced music sounding closer to live than through the Gyrodec. I don't see the need to spend more on a turntable, even after hearing the big boys at various high end shows. This turntable is designed to provide long-term satisfaction, and is most highly recommended. Brad Morrical - Positive Feedback

SME Model 10 The SME Model 10 is a welcome addition to a very fine range, handling all sorts of material with an open and persuasive balance that encourages you to keep on listening and hunting for more vinyl (it is out there by the way). As well as being stylish it's ridiculously well made - so forget your BMWs and your Lexii. This is Rolls-Royce Aerospace grade hi-fi and it's a bargain at the price. - JK, Hifi Choice

Brinkmann LaGrange The Brinkmann LaGrange turntable is without a doubt the best source component I have ever had the chance to enjoy over an extended period of time. It represents a level of perfection and emotional connection to music that I have never heard before. - Danny Kaey extract from Positive Feedback

Origin Live Resolution “In fact, this arm-table combo is one of the finest performers I’ve heard at any price....I could make a case for preferring this $4465 spread to the $20,000+ version .....“The Resolution Modern works brilliantly, is well-built, and its price is right. But regardless of price, this is one of the truly special products I’ve reviewed in the past 18 years.”
($4,465 is for Encounter tonearm & Resolution. $20,000 reference is Michael’s Simon Yorke S7, Kuzma Air Tracking Arm, Sounds of Silence platform).
- Michael Fremer, Stereophile July 2004

SME Model 20/2A If I have appeared to be too uncritical of this player, then I apologise but it is one of the few truly great components to come my way in recent years. As an evaluation and demonstration tool the 20/2A is unsurpassed. On occasions I have tried to set up top class systems only to be frustrated when, despite hours of setting up and fine adjustment, the system simply fails to gel. This never happened with an SME player at the front end! - HiFi Choice David Wiley

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