The Woo WES: eight tubes on top, two in the lower half.
(Credit: Steve Guttenberg)Lucky me, I've reviewed most of the world's very best headphones, including the Audio Technica ATH-W5000, Denon AH-D7000, and Sennheiser HD 800. But now there's something even better: the Woo Audio WES headphone amplifier ($4,500) and Stax SR-007Mk2 headphone ($2,410). The complete review can be found on the Home Entertainment Web site.
Yeah, it's a lot of dough, but the Woo/Stax combo creams the other contenders for world's best headphone sound, and the pair goes for less than the price of a world class, high-end camera, like the Canon EOS-1Ds Mark III. The camera's great now, but in a couple of years it'll be hopelessly out of date. Great audio is simply a better long-term investment.
Stax headphones use a very different operating principle than dynamic headphones (pretty much every headphone from lowly earbuds to full-size headphones are dynamic designs). Stax has been making electrostatic headphones since 1960 in Japan, and the company's current flagship model, the SR-007Mk2, is what I'm using with the Woo WES amplifier. The Stax is a big and comfy design.
The Stax SR-007Mk2 headphone
(Credit: Stax)The Woo WES is an all-triode tube drive, fully balanced design; the prototype unit I'm reviewing has a total of 10 tubes (four EL34 power tubes, four 6SL7 drive tubes, and two 5AR4 rectifier tubes), but production models will have 11 tubes. It works with Stax and Sennheiser electrostatic headphones only. The machined, all-metal dual chassis is beautifully crafted.
The WES, like all Woo amps, was designed by Wei Wu, and handcrafted in Woo Audio's factory in New York City. Each WES will be built to order over a four-day period; it's slated for release in October 2009. The preintroduction price is $4,500, and full retail is expected to be $4,990. Woo prices start at $470 for the WA 3. All Woo Audio electronics are sold direct from the factory, the waiting list is three to four weeks.
A look inside reveals no circuit boards; all wiring will be "point to point." That's a very expensive way to manufacture amplifiers, but Woo Audio thinks point-to-point wiring makes for better-sounding amps. The amp also features handmade inductors, and even the machined cone feet are designed specifically for the WES.
The clarity of the Woo/Stax combo with acoustic jazz mimics the way live, unamplified music sounds in a good concert hall or club. The Woo/Stax is the closest thing to being there I've heard to date.
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The K 702's oversize ear cushions are super comfy.
(Credit: AKG)Let's face it, headphones always sound like headphones--that is--they never really sound like speakers.
Headphones "squirt" sound directly into your ears, but the new AKG K 702's much-larger-than-average earcups allow the drivers to be placed farther away from your ears, so the sound seems less direct. This headphone was designed for recording engineers and studio use, and the sound quality is right up there with some of the best headphones ever made. Priced at $540, it's not cheap, but it's not at all out of line for what you get. This blog is a preview of my upcoming full CNET review.
I found the K 702's expansive sound hugely appealing; that's why it sounds less like a headphone and more like speakers in a room. Not the same as, but less headphone-like than most.
The AKG K 702 is, in fact, the professional version of the consumer K 701 model that came out a couple of years ago. That one received raves from the audiophile press, including me, so naturally I had even higher hopes for the K 702, but it's essentially the same design as the K 701. The K 702 is matte dark blue (looks black to me) instead of gloss white and features a detachable cable.
Thanks to the way the K 702's real leather/metal wire headband distributes the weight of the 'phones evenly across your head, and those large, extra soft velour covered cushions, you can wear these headphones for hours at a time and they'll remain nice and comfy. Build quality, durability, fit and finish are all first rate.
I've made the point in previous blogs, but to get the best sound from high-end headphones plug them into a high-quality headphone amplifier. Sure, the K 702 sounded fine plugged into my Onkyo SR-TX 805 AV receiver, but the headphone was sweeter and prettier sounding with my Woo Audio WA6 SE tube amp ($1,050). Then again, the K 702's sound over my ancient 15GB iPod wasn't too shabby.
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Close-up shot of Benchmark's DAC1 USB headphone amp is compatible with PC and Mac systems.
(Credit: Steve Guttenberg)Sure, most AV receivers have "good enough" built-in headphone amplifiers, which are fine for occasional listening.
But if you regularly listen to a decent set of headphones over your home theater system or computer, I recommend moving up to a high-quality headphone amplifier, like Benchmark's DAC1 USB ($1,275).
AV receivers' headphone amps, even on $1,000+ models either sound anemic, with little or no bass, or they're muffled sounding things. Whenever I review high-end headphones, I always plug them into an iPod, AV receiver, and a dedicated headphone amplifier, just to see how they perform in different contexts. But headphones always do their best when plugged into a good headphone amp.
Grado GS-1000 headphones produces exciting sound.
(Credit: Steve Guttenberg)Benchmark is one of the few manufacturers of professional audio gear that has consistently wowed audiophiles. The company offers a range of headphone amplifiers, and I reviewed the Benchmark DAC1 USB when I tested the Denon AH-D5000, Grado GS-1000, and Ultrasone Edition 9 luxury headphones for Home Entertainment magazine.
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(Credit:
Woo Audio)
Would you buy a Ferrari for $1,050? OK, how about a $1,050 headphone amplifier?
The Woo Audio WA6 Special Edition headphone amp is built to Ferrari levels of quality and performance. Even before I listened to it, I knew it was going to be amazing.
It's a two-piece design. One chassis contains the power supply, the other is the amplifier proper. The pewter color, die-cast chassis parts are finished to a high standard, fully equal to $10,000 stereo amplifiers I've reviewed, but the WA6-SE is a good deal smaller than your average high-end amplifier. The two chassis together fill just 11.25 inches by 10.25 inches of shelf space.
The WA6-SE is a pure tube design, without a single semiconductor or integrated circuit in the entire amp. It's hand-crafted in New York's Queens borough, and there are no printed circuit boards; all wiring is point-to-point hand-soldered. Woo Audio builds each amp to order, so it can incorporate custom options and offer a wide range of upgraded parts. Current build time is about three to four weeks.
Woo Audio offers an extensive range of headphone amplifiers. Prices start at $470 for the Woo Audio 3; the top-of-the-line WA5 LE runs $2,400. When I heard the $585 WA6 amp a few months ago, I was knocked out by its sound.
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