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How to use your AV receiver's speaker calibration

Most new AV receivers come with an "auto setup" or "automatic calibration" feature, but despite the word automatic, these features can stump AV novices. If you're setting up an AV receiver for the first time, this guide will put you on the right track.

First, let's describe what auto setup systems do.

They send test tones to all the speakers and subwoofer, and use a microphone to pick up the sound of the speakers in your room. Auto setup systems determine speaker sizes and volume levels, set the subwoofer-to-satellite crossover frequency, measure distances from each of the speakers to the listener, and confirm that all of the speaker cables are correctly hooked up. Some receivers also use equalization to balance the frequency response of all the speakers.

Auto setup systems go by different names, but they all do approximately the same thing. Denon and Onkyo feature Audyssey; Sony has Digital Cinema Auto Calibration, Pioneer Multi Channel Acoustic Calibration, and Yamaha uses a Parametric Room Acoustic Optimizer.

The exact positioning of the auto calibration microphone is crucial for achieving accurate results. Some auto setup systems work from just one mic position, which would be the primary spot where you sit when watching movies by yourself. Ideally the mic should be placed at the same height as your ears when you're sitting watching a movie.

If you have a camera tripod, use it to place the mic at ear height; perfectionists should move the couch entirely out of the way. Lacking a tripod place the mic on the back of the couch, atop the highest pillow.… Read more

Radiohead, Beck, White Stripes live on DVD

I was never much of a fan of music videos or MTV. I couldn't understand why anyone would want to watch a band act out a silly story or lip-sync to a make-believe "performance." Why not just shoot the band playing for real in a studio?

The geniuses at IFC have done just that with Nigel Godrich's "From the Basement" series, which is now coming to DVD. There's an amazing roster of talent to see and hear.

High points include the White Stripes. Jack's wailing vocal acrobatics and scorching guitar riffs bouncing … Read more

My own stimulus: Buying made-in-U.S. products

Our economy is in a shambles. We all know there's a lot of blame to go around, but the fact is that most of the products we buy are made offshore. It's going to take some time to see if the stimulus plan's billions of dollars are going to turn the economy around, but each of us can do our part by buying American right now.

Our troubled domestic auto industry is at least still building cars here, which is more than you can say about electronics, computer, video, and camera vendors. Even clothing and shoes are mostly made elsewhere. It's not just the loss of blue-collar manufacturing gigs; design and engineering jobs are increasingly outsourced.

When shopping, do you look at the label or box to see where the product you're about to buy is made? If you had a choice of an American-made product and an imported one, would the country of origin play a part in your buying decision? If the American product was 10 percent pricier, would you buy it, even if you judged quality of the two to be about the same?

I just bought a new couch (for a great price), and it was made in North Carolina. That's my personal stimulus plan.

Sure, quality matters, but if we go on exporting jobs, how will we maintain our standard of living? I could make the same case for buying online versus shopping in your city or town. Those local shops employ your family, friends, and neighbors; would you pay extra to keep the dollars in your community?… Read more

Don't plug high-end headphones into AV receivers

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.

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. … Read more

Swap your old hi-fi for cash

Adam Wexler, who was always into hi-fi equipment, started hanging around high-end audio shops when he was just a kid. By the time he was in college, he was selling a local shop's traded-in components and speakers.

He wasn't just into it for the money; he wound up with a really cool hi-fi on the cheap.

After college, he worked for a couple of stores before landing a sales-and-design position gig with one of New York's top high-end dealers. Now with Stereo Buyers Wexler is ready to take it to the next level. He buys high-quality audio for cash in the tri-state area of New York, New Jersey, and Connecticut, though he will occasionally accept equipment shipped to him.

Please understand: Wexler isn't interested in your Sony receiver, Marantz CD changer, or the Pioneer cassette deck you bought at a yard sale for 10 bucks 20 years ago. No, he's looking good stuff, high-end audio of any vintage, in good working condition. Tube gear, sure, and high-end solid-state amplifiers, turntables, tuners, speakers, etc. E-mail him a list of your gear, and he'll get back to you. … Read more

At last, a great-sounding sound bar speaker

Truth be told, sound bar speakers don't sound very good.

That hasn't stopped them from selling like gangbusters. People happily buy the fantasy of single-speaker surround sound, mostly because they don't want to deal with all the wires and hassles of a bona fide 5.1-channel home theater.

I don't blame them. Even stereo, HT 2.0 systems are too intrusive for some buyers. Enter Canton's nifty CD 90 SB sound bar, it looks and sounds terrific.

I have to admit sound bars can look pretty slick mounted under a flat screen display, but there is the tricky matter of mounting the thing and running wires through walls. I suppose that's why most sound bars wind up sitting on a shelf under the display.

My real beef with sound bars is they don't sound all that good. The worst offenders are the ones that try to do some sort of fake surround sound. True, the better ones spread the sound well out to the sides of the room. Some project sound forward, towards the listener. But it's never as good as real 5.1.

Most sound bars' "surround" is only heard when you're sitting directly centered relative to the display and speaker; once you're over to the left or right the surround effect fades away. Worse yet, the sound quality of these things is iffy: it's either harsh or dull (most sound bars don't have tweeters). Mind you, sound bars aren't cheap: the better ones sell for between $1,000 and $1,800. For that much dough you could buy a really decent 5.1 speaker/subwoofer package with way better sound.

Granted, sound bar sound is passable when you're watching a movie, but try listening to music, and you'll realize just how lame the sound is. … Read more

Sad news: Consumers don't pay up for quality

Erica Ogg's post "Report: Pioneer to exit TV business" made a point abundantly clear: TV buyers won't pay a premium price for a better display.

"The company is reportedly exiting the TV business rather than continuing to incur losses in that division," Ogg wrote. "This latest report comes a few months after Pioneer announced that it anticipated huge losses at the end of its fiscal year in March and plans to lay off 2,000 workers."

The market's demands for lower and lower prices eventually take high-quality manufacturers out of the … Read more

Dynaudio Excite: Great modern Danish speakers

Of all the major high-end speaker-manufacturing countries in the world--the United States, England, France, Germany, Italy--Denmark is, in some ways, my favorite.

The Danes balance art and engineering better than anybody. I recently reviewed Dynaudio's latest series, Excite, for Ultimate AV magazine. You can read the complete review, but here are some excerpts:

The Excite system featured a pair of X32 towers (together costing $2,800), an X22 center channel speaker ($850), a pair of X12 bookshelf speakers (together costing $1,200) for use as surrounds, and a SUB 250 subwoofer ($1,000). None of them are very large or imposing; my nonaudiophile friends barely noticed the speakers' presence in my living room. That's probably a plus for folks looking for a 5.1-channel system that blends in with its surroundings.

All of the Excite models feature Magnesium Silicate Polymer cone woofers with die-cast aluminum frame baskets and aluminum voice coils. Dynaudio's specially coated soft-dome tweeters, with newly designed magnet structures, grace all the speakers.

The Excite speakers are available in real-wood maple, cherry, rosewood, and black ash veneers; my review samples came in the deep 'n' dark rosewood, which was truly stunning. … Read more

Homeless man designs amazing speakers

Kevin Nelson may be homeless, but his story isn't so different from countless other speaker designers I've met. Aspiring speaker designers never had it easy, but nowadays it's a lot tougher to break into the business.

Nelson says he first started building speakers when he was a kid in high school, tinkering with drivers and building cabinets. With a few investors lined up, and prospects looking good, he was planning on exhibiting his inventiveness at the Consumer Electronics Show in Las Vegas last year.

The U.S. Navy veteran's personal life, however, took a turn for … Read more

Back to the future: 1939 wireless remote control!

If you're under 40, you might think TVs always had remotes. The early ones were called "clickers," "channel changers," or "selectors."

Sure, there were TV remotes as early as 1956, notably the Zenith Space Command, but remote-controlled TVs didn't really enter the mainstream until the 1970s.

It's true that there weren't many channels from which to choose at that time, but changing channels or volume without a remote was a matter of getting up from the sofa, walking over to the set, and turning big, clunky knobs on the TV.… Read more