Grado is one of America's oldest hi-fi companies. In the 1950's it manufactured phono cartridges, turntables and speakers. While Grado still makes a full line of highly regarded cartridges (budget-priced all the way up to high-end models), it's perhaps better known today for its headphones, which spring from the professional line it began manufacturing in the 1980's. The company now offers a complete line of headphones ranging from the iGrado to the flagship we're reviewing here, the Professional Series 1000 (PS1000). It still has the retro/industrial styling Grado's famous for, but we think it's the best-looking and best-sounding headphone we've tested from the company. That also makes it one of the best pair of headphones we've ever heard.
Design and features
All of Grado's high-end headphones have featured either wood or machined metal ear-cups, but the PS1000s use a combination wood-metal ear cup. The headphones' drivers are bonded, without any metal fasteners, to a mahogany mounting piece that is in turn bonded to a solid, round metal ear-cup. The wood-metal design approach is unusual, but it seems to produce a more natural sound than previous Grado headphones. The PS1000s' ear cups certainly feel remarkably solid and inert, desirable qualities for speaker cabinets and apparently for headphones.
The PS1000s' drivers don't look much different than the ones we've seen on other high-end Grados, but Grado claims they are unique to the PS1000s. They're open-back headphones, so you can easily hear external sounds around you. (Since the PS1000s are intended for home use, we don't consider that to be an issue.)
The leather-covered headband is a nice finishing touch for the design. And while this is a rather heavy headphone, it didn't feel heavy on our ears. Ear cushions are large bowl-shaped black foam units, which are user replaceable. The overall result is that the PS1000s are the most comfortable Grado headphone we've ever tested. (Grado's previous models have been criticised by some for an overly "industrial" look and feel.)
The 5-foot, eight-conductor cable is a little thicker and more flexible than what we've seen from Grado before. It's Y-shaped (with cords going to each ear), and terminated with a gold-plated, 6.3-millimetre phono plug. The PS1000s also come with a 15-foot extension cable and a 6.3-millimetre to 3.5-millimetre (mini-jack) cable adapter. The adapter is a bit bulky but works well enough; we used it when we listened to the PS1000s with our iPod.
Performance
Before we get into the PS1000s' sound we'd like to point out that Grado headphones, from the affordable SR60 up through the line, share a "house" sound. Grados sound like Grados: they are all exciting, extremely dynamic performers, and while the PS1000s share those qualities, they're more refined, sweeter and with a more sophisticated design.
Since the PS1000s are made in Brooklyn, we decided to start our listening sessions with a Brooklyn band, Oakley Hall. The group's I'll Follow You CD sounded great, with the sort of full-bodied dynamic swing you rarely hear from contemporary rock CDs. Patrick Sullivan and Rachel Cox's twin lead vocals were natural and clear.
The Grado RS-1i headphones have been our reference for years, so we know their sound well. Switching back and forth between RS-1i and PS1000, the difference can be summed up with one word: scale. The RS-1i is still great, but it's more closed-in, more "inside the head" sounding. Stereo imaging is much wider over the PS1000, but it's also more spacious. The RS-1i is dimensionally flatter, and then there's the bass. Yes, with the PS1000 there's more of it, but the quality, depth and palpable bass texture come through like never before. Listening to any decent-sounding acoustic jazz CD, we were much more aware of the bass player's contributions.
The treble is likewise better resolved and clear. Cymbals sizzle more and they have greater presence through the PS1000s. Though rather than try to describe different frequency ranges, it's the entirety of the sound that's a huge advance over what we've heard before from Grado.
DVDs and Blu-rays sounded pretty terrific over the PS1000s. Listening over our Onkyo TX-SR805 receiver, the circle of drums scene from the House of Flying Daggers DVD had tremendous impact and the sound of each drum thwack was clearly defined. It was undoubtedly better than Sennheiser's flagship HD 800 headphones in that regard. To hear this level of detail over speakers you'd need to spend at least five times the cost of the PS1000s.
For CDs and SACDs we switched over to our Woo Audio WA6 Special Edition headphone amplifier. A great-sounding SACD like Symphonic Dances with Keith Lockhart conducting the Utah Symphony Orchestra put the PS1000s' strengths in perspective. Notably, it was the scale of the sound, the orchestra was huge, and during the music's quieter interludes we could hear the sound filling the Abravanel Hall in Salt Lake City. The strings were the perfect combination of clear and naturally warm. When the orchestra performs West Side Story, the dynamic jolts were fully reproduced — the PS1000s are state of the art in that area.
Finally, we connected the PS1000 to our iPod to check out some uncompressed and lossless digital music. Hearing that kind of sound quality from the iPod was really pretty amazing.
The PS1000s may not be the best headphones on every count — the Sennheiser HD 800s are more comfortable and offer a sound that's arguably a tad more "accurate" — but they're definitely the best Grado headphones ever made.
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