GOODSOUND!GoodSound! "Ask Me" Archives

...to March 31, 2002

 

Growing old

March 31, 2002

Great website! I was just wondering, with all the technological changes in audio, how long can a speaker be technologically relevant? I've read about audiophiles who swear by their "old" speakers from the '50s and '60s, or even earlier. I currently own the Polk Audio RT35i, which was the first set of speakers this site reviewed, and wonder how it stacks up to more current designs. Thanks!

Danny Tse

You have definitely hit upon a relevant subject. You would undoubtedly get as many opinions as people you asked, though. Although there are exceptions, I would say that loudspeaker design is a relatively mature technology. Even though there have certainly been refinements in drive-unit technology, and cabinet and crossover design due to computer modeling, etc., the same basic principles that applied years ago are still relevant today. In fact, designers are still using data gained years ago (by any number of loudspeaker pioneers) in their research and development to this day. Contrast this with digital components, and the seemingly daily gains in knowledge and expertise in that realm, and you'll begin to see what I mean.

To further reinforce your observations, I also know of people with systems consisting of 30-year-old amplifiers and speakers, with modern source components and cabling. And indeed, some of these systems rival the best you can attain today. I would not discount that some nostalgia plays into the continued use of older gear, but I would also not discount the craftsmanship and forward thinking that has found its way into designs through the years. Your Polks are still very good, just as they were two years ago. Don't worry about being outdated until your ears say it's so.


Which wall is which?

March 29, 2002

What's the difference between the front wall and the back wall? I thought the front wall was the wall the listener faces. However, at another site, it was defined as the wall the speakers face.

Howard

I've actually seen this confused too, but you are correct. A good way to remember is that the wall in front of you is the front wall, and the wall to the rear of you is the rear wall (from your position in the listening seat). Seems simplistic, but it is an easy way to keep track. I'd hate to think some of our readers have their main loudspeakers behind them because they got their walls mixed up!


Time-and-phase-correct speakers?

March 28, 2002

I recently stumbled onto the SoundStage! Network and all the wonderful online audio and home-theater information contained therein. I must say that I m very impressed with the quality of the reviews and contributions, as well as with the layout of the websites themselves.

I was wondering what you think of time-and-phase-coherent speakers such as those made by Vandersteen and Thiel, and of planar speakers such as those from Magnepan, in a combined music/home-theater system? The reason I ask is that the very first high-end speakers I fell in love with were the Dahlquist DQ-10s, way back in the late '70s, and I've never found a set of speakers to equal them. I couldn't afford a pair at the time, but I sure did love their sound. They didn t have the lowest bass I'd ever heard, but the midrange was just so liquid and smooth, and the highs were incredible -- accurate, yet delicate. WOW! An older friend of mine had a pair, and I spent many a rapturous hour listening to them.

A decade later I ended up with a pair of Klipsch Fortes. I absolutely loved their speed and dynamics. The emotion that these speakers evoked was amazing. They were just so dynamic, so lifelike in that respect. They grabbed me and just wouldn t let go. However, their upper frequencies were a bit hard to take over the long haul. I could probably have tamed that problem with a tube preamp or amp, but I was beginning to move into home theater.

So a few years ago I picked up a pair of KEF Q-75s. They're quite musical and hardly anything I play on them sounds bad, but I miss the dynamic realism and the emotion of the Klipsches. They lack the speed and dynamics and the excitement of the Klipsch speakers. The KEFs are more refined speakers, but they don t grab me. So, I'm searching for something that is more refined than the Klipsch, but are fast and dynamic and can bring the emotional content back to the music.

I've been considering several systems based around speakers such as the Vienna Acoustics Mozart, Soliloquy 5.3, B&W CDM-9, and the Monitor Audio Silver 8i, each of which have certain attributes in their favor, and a minor blemish or two that I think doesn't particularly diminish their potential to provide long-term satisfaction. Lately, however, I've been reading about the attributes of time-and-phase-coherent speaker systems -- speakers with first-order crossovers and mechanically timed drivers due to back-angled baffles and/or planar-magnetic or electrostatic panels. Suddenly I'm wondering if the time/phase accuracy is what drew me to the Dahlquists so many years ago.

John Mannix

There are as many speaker designs as there are speaker manufacturers. Any given designer will have a set of criteria that in his experience needs to be addressed in order to create a complete speaker. It is worth remembering that a finished product is defined by all of these elements, and even some the designer possibly didn't count on. Who's right? Who knows? I've heard time-and-phase-correct loudspeakers sound wonderful, but I've also heard speakers with higher-order crossovers (not phase coherent) sound just as wonderful (and I've also heard both sound bad!). I've found that picking one or two design elements to latch onto often leads to frustration due to not being able to correlate these to good sound in every case.

The conclusion is that there are myriad elements that make up a good product, and across-the-board generalizations are not very reliable. A good product is one that is complete, thereby meaning researched comprehensively, taking into account many measured and theoretical goals. The bottom line: Listen to as many speakers as you can and choose the one that sounds best to you. Hey, listen to time-and-phase-correct speakers, but at the end of the day choose what sounds best to you with your music and in your room. Do that, and then examine the design elements incorporated into that product. You might be able to correlate the two, but if not, you have speakers that you enjoy regardless.


Two to 5.1

March 27, 2002

I'm upgrading my two-channel system to a 5.1-channel one. I want to continue using my existing speakers as the mains. Can you tell me how to go about timbre/voice matching these to a new center-channel speaker and surrounds? Thanks!

Punit

We typically suggest that you use surrounds and a center-channel from the same manufacturer that produced your mains, especially if they were designed to augment your particular model. This is a good way to ensure that you have timbre-matched speakers all around.

If this is not possible, you simply must listen to the new speakers with your main speakers. Setting up the system and listening to sound effects as they pan around the room will give you an indication as to whether a seamless transition is taking place. Can you tell when one speaker is trailing off and another is picking up? Also, you can listen to your main speakers in phantom mode (no center-channel), then switch in the center-channel speaker. If the sound remains relatively similar, you have a pretty good match. If it changes drastically, look elsewhere because the center-channel is altering the tonal characteristics produced by the main speakers.


Cables

March 26, 2002

I am interested in suggestions for upgrading my current cables. I am currently using Prism 5 interconnects between my Rotel RSP-976 processor and my RMB-1095 amplifier and Prism biwire speaker cables for my front (B&W CDM 9NT), center (B&W CDM CNT), and rear (B&W CDM 1NT) speakers. I am truly looking for a cost-effective means for upgrading my cables that will result in a noticeable difference. In addition, I am curious if an upgrade in power cords for the amplifier and processor will produce any noticeable results.

Steve Forry

The Prism cables you are referencing, I'm assuming, are made by TARA Labs. Knowing that TARA makes good products, and also knowing that it is quite easy to spend a lot of money on cables with little in return, you may want to rethink the decision to spend hundreds of dollars on cables. Cables are important and can finish off a system that is performing well to begin with. If, though, there is something you sense that's wrong in your setup, or a performance parameter that you want to address specifically, you might want to look toward other upgrades.

Having said that, I do know our staff has been impressed by cables from BetterCables, Analysis Plus, and Audio Magic (upcoming review). If you're set on replacing the TARA Labs models you own, these others would be a good place to start your search. Make sure you are getting the performance upgrade you are looking for before you plunk down your money, though.


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