Yeah, I get it, big displays garner oohs and aahs; but why are big speakers always portrayed as hideous things only an audiophile could love?
Thing is, tiny speakers cheat you out of more than half the experience. On a return-on-investment basis, home audio is more accurate than video. A 50-inch display may be sharp and clear, but it can't approach the majestic scale of a movie theater screen. A decent home theater sound system will blow away most movie theater systems.
The KEF iQ50, a $900-per-pair tower that'll eat your micro speakers for breakfast.
(Credit: KEF)How large is a large speaker? For the purpose of this blog, 20-inch high bookshelf speakers with 6-inch (or larger) woofers would be a good place to start. Of course, floor standing speakers that are 36 inches high or more are even better. Wee satellite speakers with 3-inch "woofers" never come remotely close to belting out a sound that could be mistaken for a large speaker (even the best of the wee ones never hold up in direct comparisons with larger speakers). The little ones sound like the puny, anemic things they really are. Subwoofers can only do so much.
Sound, schmound--most speaker manufacturers go with the flow and give the people what they want. And they want to believe little speakers sound just as good as big speakers. The manufacturers know most folks buy with their eyes, not their ears, so they don't know what they're missing. It's way more important to look good than sound good.
I covered some of this same ground in my very first Audiophiliac blog, "My speakers can beat up your TV." Point being, money spent on quality speakers, compared to video, is a better investment. With display prices reaching record lows you'd be wise to spend more for quality speakers. Pick up a nice big display for $1,000 ($1,200 to 1,500 less than what you would have paid a couple of years ago); invest the video savings on audio and you'll wind up with a way more satisfying home theater.
Dynaudio C-1 speaker with a 6.7-inch woofer and 1.1-inch tweeter
(Credit: Steve Guttenberg)Listen, if you're buying speakers, the best thing to do is listen to them. If you can't, you'll learn a lot perusing specifications.
Online shoppers need the most info, but even brick-and-mortar buyers can predict quite a lot about a prospective speaker's performance and system compatibility by looking at the numbers. Tech talk gets you woozy? No problem, the main points of interest would be the dimensions of the speaker and how much the thing weighs.
Hint: bigger and heavier speakers almost always sound better than small, lightweight ones.
So far, so good, but woofer size also provides clues about how much bass a speaker will produce. Bigger woofers make more bass than smaller ones, but the cabinet's size is almost as important a factor as woofer size in determining bass quality/quantity. Multiple woofers may look impressive, but they're less reliable predictors of bass oomph; we've tested lots of skinny speakers with two, three, four, or more drivers that didn't make much bass. The cabinets were too damned small, four 3-inch woofers don't make as much bass as one 6-inch woofer in a larger box.
You might hope the frequency response specification, "38 Hertz -- 22,000 Hertz," would predict how much bass the speaker would make. The first part of that spec, "38 Hertz" refers to the bass output--the lower the number--the deeper the bass. Ah, but since there wasn't any reference to the tolerance of the spec, it's just about useless. Some manufacturers include a "+/-" after the frequency response number, something like 38 Hertz - 22,000 Hertz +/- 3 dB, and that helps a bit. Any speaker that reaches 50 Hz or lower can be considered "full range" and doesn't necessarily need to be partnered with a subwoofer--for music. Multichannel (5.1, 6.1, 7.1) home Theater applications almost always require subwoofers.
I have less to say about tweeters, other than to recommend buying speakers with tweeters; a fair number of pricey "sound bar" speakers are tweeterless. That's not to say they will sound bad, just not as detailed and clear as speakers with decent tweeters.
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