GOODSOUND!GoodSound! "Ask Me" Archives

...to June 26, 2002

 

Crackling speaker

June 26, 2002

Why is it that my Acoustic Energy speakers (120W maximum) start producing crackling sounds when the volume of my Rotel integrated amp is raised halfway, but are normal when the volume is reduced? This is especially true with bass-heavy music.

Sunil

It sounds like you may have a damaged voice coil in one of the speakers. I would take it to a service center and have it tested, but it's likely you'll have to replace the driver that is making the noise.


Jamo in-wall speakers

June 24, 2002

I have been looking to buy some in-wall speakers: two for my ceiling and two for my walls. My wife doesn't like the looks of speakers! Anyway, most of the local stores sell JBL, but one place has Jamo. They are a little more than the JBLs, but they sound nice and the salesperson says they are better. I was looking at the 10.5K3 (which is a four way) and the 892A (a two way). Thanks.

Al

I think you've answered your own question. You have a local dealer recommending a product that you seem to find preferable to the alternatives. Sounds like a no-brainer to me. If I were you, I'd go with the Jamo speakers and enjoy your music.


Spiking speakers

June 20, 2002

I have a pair of PSB Stratus Silver i speakers in my living room, and I'm having trouble deciding on the lesser of two evils. If I use the spikes provided with the speakers, I can't move the speakers for fear of damaging the hardwood floors. In addition, they can only be about a foot or two from the back wall. If I don't use spikes, I can place the speakers on two small pieces of carpet. That allows me to move them out into the room for listening and store them close to the wall. They're not decoupled from the floor, though.

I considered getting a couple marble or granite slabs to place the speakers on. I could put felt on the bottom of the slabs so they could slide without damaging the floors. Would this be a better solution? Also, would I want to use spikes between the speakers and the slabs?

Brian

There is more than meets the eye here. The spikes, in many cases, set the correct speaker height. By placing the speaker directly on the floor you run the risk of having them too low, which could easily change the sound quality. And what the spikes actually do is couple the speaker to the floor, not decouple it. Having the speaker firmly planted helps it remain stable, especially when you are playing bass-heavy music. I'd try to find a compromise by working with the placement, so that you can leave the speakers alone. Although the granite or marble option is one I've seen used before, I'd leave it as a last resort. And nix the idea about the carpet squares, for sound-quality concerns at least.


Integrated malfunction?

June 18, 2002

I experience occasional static in my audio system, usually in the left channel. My system is an NAD 314 integrated amp, NAD 522 CD player, and Tannoy Mercury M3 speakers. I do not think it is a connection problem. It only seems to happen after I have been playing the system for 30 minutes or longer, even at low volume levels. If I turn it off and let it cool for a bit, it is OK again. I have connected a different CD player and continue to experience the problem. Do you have any suggestions?

Christopher

It very well may be a problem related to the integrated amplifier overheating. I would advise you to take it to a service center before whatever the problem is gets worse and causes further damage within the unit. You may just save some money by diagnosing the problem early. Thermal problems can lead to all sorts of internal nightmares. The last thing you want is a burned-up NAD!


Polk Audio versus Axiom?

June 17, 2002

Are the Polk Audio LSi7 loudspeakers better than Axiom Millennia M3Ti? I'm looking for a very nice and balanced pair of monitor loudspeakers. Transparency and excellent detail are what I want. Thanks for your help.

Joe

The LSi7 is a better-sounding speaker than the M3Ti, but it is also about three times the price.


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