STAX SRS-2050 II Basic Headphones

STAX SRS-2050 II Basic Headphones

Stax gets high ratings from our reviewer who noted, "If you've tasted the Stax sound and it pushes your buttons, then nothing else will do." While this is a "budget" model for Stax, "they did it by retaining the most important sonic qualities, especially openness and speed, at the cost of minor refinement."

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Stax has always offered an entry-level headphone package, but "entry-level" is a relative term with this brand. As long as Staxhas been with us, they've represented the pinnacle of headphone design, and their products have never been budget gear. But the carefully-crafted SRS-2050 II Basic package hits just the right notes, literally and figuratively, and one's first impression is to banish all thoughts of compromise.

Check out other high end audiophile headphone reviews from Stax, Grado, B&W, Sennheiser and many others at AudiophileReview.com.

Not that £449/$900 for a set of headphones is cheap, when you consider that Sennheiser and Grado deliver miracles for under £100/$200. But there simply is no substitute for the open-back sound of electrostatics, the speed, the transparency, the detail, the quasi-out-of-head spatial characteristics. Equally inarguable is that electrostatic headphones have as distinctive a character as do serious in-the-ear designs from Shure and Etymotic, or over-the-top, wooden-bodied dynamics from Japan. If you've tasted the Stax sound and it pushes your buttons, then nothing else will do.

When Stax first delivered the oversized SR-Sigma Pro headphones, exactly 20 years ago, first reactions were hoots of laughter, if only because one looked like a complete schmuck when wearing such large boxes on the head. But for those thick-skinned enough to try them, the sound was revelatory. For listeners who despaired of the in-the-head sound of headphones, here was something that approximated speaker listening and the inescapably superior sense of three-dimensional space. (No, I haven't forgotten binaural, but this site isn't called Heroic Failures.)

Over the years, Stax has used the ear-encompassing topology in a variety of forms, models clearly aimed at headphone users who want the ultimate in sound rather than portability. Although there are rumors of hardcore Japanese audiophiles said to commute on the trains with Lambdas and Sigmas and later SR models, one must group them with the sort who have all-valve in-car systems. For the rest of us, if we're practical and sensible, there are two types of headphones: those for use in the home and those for use on the move. This system, not least because it requires mains power, is unashamedly immobile.

Stax's latest economy interpretation of the Sigma topology is the SR-202, and it possesses all of the traits of its dearer and elder siblings. It's a push-pull electrostatic ear-speaker with an impressive frequency range of 7-41,000Hz, and it will pump out 100dB should you wish to be a candidate for a deaf aid. With cable, this over-the-head design weighs 450g, another characteristic that obviates its use on the road.

Combined with this to create the SRS-2050 II package is the SRM-252II energizer. While the SR-202 headphones exhibit little beyond build quality to indicate any form of economizing, the SRM-252II is blatantly, er, basic, as the system name promises. Unlike the dearer solid-state or valve energizers, it offers nothing beyond the minimum: it drives only one set of earphones, its only control is a combined on/off/volume rotary and socketry on the back is reduced to two pairs of phonos for parallel input/output.

Which is not to say that it's rock bottom. I mean, how many Stax owners with deluxe energizers have ever driven two pairs of headphones at once? What kind of social reject listens through headphones with a guest? Doesn't that preclude the use of the word "friend?" (Please, no e-mails about iPod users who run their players with two sets of earbuds. I simply couldn't give a toss.)

Beyond the hair-shirt simplicity, it's a tidy box with external power supply, formed from an aluminum extrusion. Well-made, with a red LED to indicate on status and nice weighting for the rotary, it certainly doesn't shame the owner. Or Stax.

Although the input/output set-up provides integration with a separates system, I used it with sources fed straight in, rather than via a pre-amp, in order to hear the Stax system as purely as possible. Sources included the Musical Fidelity X-RAY v3 CD player, Rio Karma MP3 player and Nokia N95 mobile phone (with music encoded in AAC format). For comparison purposes, I used my trusty Stax SRM-T1W energizer and Stax Gammas and Lambdas.

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One can only marvel at Stax's cleverness. This system is so perfectly conceived that one cannot resist words like "honest" and "competent" when dealing with it. The main sacrifice, as the name declares, is luxury. This is frills-free, but only in terms of facilities. Stax clearly chose to deliver the most sound for your pound. And in that respect, they did it by retaining the most important sonic qualities, especially openness and speed, at the cost of minor refinement.

Using open, extreme left-right material like the Buffalo Springfield's "For What It's Worth," it was possible to listen into the music and detect minor coarseness, or a slight lack of detail. But what a small price to pay for the natural vocals, the smooth, well-extended bass, the vastness of the soundstage! If there's an analogy to be found, this system is a basic BMW 3-series that never saw the options list, while the dearer Staxes are loaded 5s and 7s.

You gotta love these. Speed, reasonable clarity, comfort - they even complemented the little Nokia. Whether it was vintage mono pop (Herman's Hermits) or freshly-recorded blues (Keb' Mo'), the Staxes simulated the material's virtues as if heard through a main system. The flow of the bass on the Keb' Mo sessions, the crisp treble of the 40-year-old-plus BritPop - it's all there.

But the real secret is that this system presents an upgrade path. Once funds recover, I'd recommend the purchase of one of the better energizers. Then, a few years later, the better headphones. But I wouldn't be surprised if the vast majority of users were blown away by the system as it is, straight out of the box.

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