MASTERS ON AUDIO AND VIDEOLetters Archives

February 2002

 

I read your overview on the Axiom M3Ti [August 2001]. I'm thinking of purchasing either the M3Ti or the m22TI. Are you familiar with the M22Ti and if so, is it superior to the M3Ti?

...John Bacik

I would like your input on how a pair of Axiom M3Tis would compare to a set of B&W DM305s.

...Terry Weilgoz

I read with interest your review of the Axiom Millennia M3Ti. Do you think the M50Ti sounds better than M40Ti? The M40Ti has the same drivers as the M3Ti and you loved it. What about the M50TI which has one more? Will the midrange be as good? I'm not into techno boom-boom but I love to be fully enveloped by the low frequencies.

...Christian Savoie

I don't mean to duck questions like these, but it would be impossible for me -- or any audio writer -- to have auditioned more than a tiny fraction of the speakers available, especially in any controlled way, and so offering specific comparisons between models would be inappropriate. We do bring a background of knowledge and experience of speakers in general, and so can make some educated comparison between speakers we have tested and the general run of audio equipment, and we do that in our NRC-based speaker reviews. Going beyond that would be treading on very thin ice.

...Ian G. Masters


I am hoping you will be willing to give me some suggestions on a problem which has happened with my combo CD/cassette/radio/recorder and portable stereo. It works perfectly, except that I am unable to play a cassette tape in either of the dual decks because a very loud deep sound comes through the speakers, completely blocking the music. It used to work fine and the CD and radio play perfectly.

...Christine Smith

I recently purchased a used cassette deck, and while it plays great, it does not record on the right side. I tried adjusting the recording levels of each channel and there was no noticeable change. Is this just a case of dirty heads, or is it something more?

...Eric

Without more detailed information, I can only guess, but both these problems seem to be caused by a failure of internal wiring. In the first case, I expect it's a problem of shielding or grounding -- the loud noise is probably simple hum, either generated in the tape deck portion of the unit, or induced by the house wiring. In the second, it sounds as though a connection somewhere in the recording electronics has come undone. If it's a three-head machine, it could be a simple break at the head, if not, it must be earlier in the chain or the playback would be affected. In both cases, a trip to the shop would be necessary, but don't be surprised if they tell you it's cheaper to replace the equipment than fix it.

...Ian G. Masters


I will be buying a new tube amplifier to replace my old receiver and I'm not sure how many watts of power I will need. My speakers are rated at 91dB SPL, they are in a small room and I don't listen at rock levels. Would a good 20-watt tube amp do the job for classical and jazz at almost live levels?

...Mark Dwight

I won't speculate as to why you want to switch to tubes. In my opinion, it's a very expensive (and hot) way to achieve virtually no performance advantage. But if you go ahead, your very efficient speakers, small room, and relatively modest level requirements, would probably be adequately served by a 20-watt amp, although that's definitely a minimum.

...Ian G. Masters


I want to know about S-video and component video cables. Which one produces a better quality picture when playing a DVD player to a 34-inch flat screen television.

...Johari

There's more to it than just the cables. S-video and component video are two entirely different methods of getting the picture from a source component to a display device. Both have to support component video for you to be able to use it; virtually all video gear with any pretensions of quality offer S-video connections, but component video is much less common. In theory, however, it should produce superior image performance, but that's largely dependent on the quality of the original material.

...Ian G. Masters


I am a car audio shop owner, and custom home audio is my favourite hobby. How does someone like myself get more involved in design and manufacturing of home-related audio. I have experimented with various home subwoofer designs including dual 15-inch floor-firing woofers in custom built and finished coffee tables, 10-inch rear-firing with floor-firing ports in end tables and lots of the usual stuff. What I am looking for is some guidance to help me better understand the true meaning of musicality in the home environment.

...Ryan J. Shropshire

Fine-tuning the ability to design high-quality speakers often takes the length of a whole career, and lots of people who strive for the highest quality never quite get it. Until about two years ago, one of the best sources for the kind of information and insight you want was a publication called Speaker Builder. The bad news is that it no longer exists; the good news is that a number of its back issues are available at www.audioxpress.com.

...Ian G. Masters


I've got a 47-inch TV in a corner and a wife who doesn't want to see speakers. I think the center channel speaker has to be seen, but I am tempted to take the front right and left channels and make them in-wall. if I do this, both speakers will be about 4.5 feet from the corner and will be aimed perpendicularly one to the other. In addition, I would use in-wall rear channels. The viewing area is about 12 feet in front of and parallel to the TV screen. I am concerned that this arrangement will produce really bad sound. Do you think it will?

...Franklin Parlamis

It might. But then again it might not. The problem is that you won't know until you have cut holes in your walls and mounted the speakers there. One thing to be careful to ensure is that whatever speakers you use have very good off-axis response, because that's what you will be hearing at your prime listening position. All in all, I'd encourage you to forget the in-wall scheme and get one of the sat/sub arrays that use very tiny, inconspicuous satellites and a hidden sub. Some of these can be very good indeed. If your wife needs convincing, you might be able to persuade a dealer to lend you a system so she can see that it wouldn't be too disruptive of her decor.

...Ian G. Masters


I find the 16:9 format of some of the new television shows quite annoying. Will the new digital televisions automatically bring the picture up to fill the whole screen if the television isn't a widescreen model? Also, do widescreen models do this?

...Dennis Ganann

Even now, there are 4:3 sets that let you zoom in to fill the screen, although at some sacrifice of vertical resolution and picture information. At least that gets rid of the annoying black bars. Widescreen sets are all 16:9, so the pictures generated for HDTV (whether or not viewed in HD mode) will fit perfectly. Most movies will still have black bands, but smaller ones than today. Movies are shot in several different aspect ratios, none of them 16:9.

...Ian G. Masters


I have thoroughly enjoyed your discussion on blind listening tests at the National Research Council. I am very interested in further exploration of this topic. Specifically I am looking for information on the attributes tested for in the blind listening sessions -- what is important to look for in a speaker and how to define it -- and a list of recordings used and what attributes they are used to test.

...Arvind Kohli

Huge question, and beyond the scope of this page. We listen for numerous things. Bass extension, for instance: the speaker should reach down to the lowest frequencies but not be boomy, which usually means an over-prominent upper bass but no really low lows. The treble shouldn't be muffled -- cymbals are often a good test for that. We spend a lot of time listening to the midrange to see if it sounds hollow (a sag in the response) or too bright (a peak in the mids, often called the "presence peak"). And on and on. As for recordings, we have never had anything like a standardized list. The only criteria are that they be good recordings and that they cover a wide variety of music styles.

...Ian G. Masters


Where could I go to learn the basics of home theater? I would like to attend some classes and/or tutorials. I live in Toronto, Ontario. I have been looking all over the Web and cannot find any courses or weekend seminars for this. They have to be out there somewhere I would think.

...Kevin Oye

Such events do occur fairly frequently, usually conducted by a representative of one of the audio manufacturers and held at a dealer's store. These may not be absolutely unbiased, but they can contain lots of good information. Check out the ads for the better audio specialty shops (in Toronto, it's often Bay Bloor Radio, but there are others.) It's long been a pet project of mine to mount a series of such day-long seminars myself, but so far that hasn't happened. Maybe this year....

...Ian G. Masters


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