Maybe this is a subject for another discussion, but I was wondering if coaxial drivers (TAD, KEF, Tannoy) are more likely to be time and phase coherent?
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TAD and Tannoy are not time coherent. The little KEF 50 with the coincident driver is not. What does this mean to the listener? Without a listen, it means little. The TAD Reference represent some of the best speakers at any price. That little KEF is great. The Tannoy are some of the most loved speakers, and have had a very long life as a studio speaker, with uncountable numbers of musicians hearing themselves on them after playing. Would anyone postulate that these musicians don't know how they themselves sound? Again, this would be a nice thing to have, as perfect radiation patterns, perfect frequency response, perfectly inert cabinets, zero harmonic distortion, zero intermodulation distortion, and zero driver resonances would be nice things to have. No speaker has it all, so the sonic result of the compromises chosen is the real key. Again, listen. Do not fixate on any one or two features, that will lead you nowhere in your quest for a speaker that sounds most like real music to you. |
06-24-14: BifwynneHi Bruce, As I indicated earlier, speaker technology is not one of my areas of expertise, and about all I can offer is my suggestion that some insight into that degree of significance can potentially be gained by attempting to correlate one's subjective reaction to a wide range of quality speakers with JA's step response plots for those speakers. I'm hoping Al (Almarg) and Ralph (Atmasphere) get around to reading Roy's articles and sharing their comments.I've read through the "Loudspeaker Phase Accuracy and Musical Timing" article. IMO it is a brilliant and informative article, which certainly inspires very high confidence in the designer. But my feeling, consistent with Kiddman's comments, is that in audio there are always multiple ways to achieve success. Best regards, -- Al |
06-24-14: KiddmanI agree with this as well. It's just too bad that there aren't many to view/study. I disagree with this statement (given my personal experience) but I would have written "unverified claims by this manuf". Owning & listening to those speakers leads me to believe that such type of specs are achieveable by this manuf. Investing hours in driving to dealers, or flying, asking manufacturers to let you hear them, flying to audio shows, those are all much better ways to make an educated guess about how you will react to the sound in your home.indeed, I have done most of the items in this list - I have not asked manuf to loan me speakers to listen in my home - but I've done all the other items. I was at RMAF2013 & listened to 95% of the rooms in the Marriott Tech & walked over & listened to all the rooms in the Hyatt. I heard a lot of speakers - most speakers were in "bad" rooms (typical show environment) except for those speakers put into huge ballrooms & other conf rooms. Most of the speakers sounded very blah except a very few. And, one of them was the Green Mtn Audio room. I was there all 3 days & I listened to the Green Mtn Audio Eos speakers each day. After hearing so many blah sounding speakers, it was a relief to listen to the Green Mtn Audio Eos - they sounded like music, great dynamics & Roy was playing all kinds of music (not audiophile CDs - just regular redbook music). Those speakers sounded good on every genre. This excellent sonics caught the attention of Stereophile: http://www.stereophile.com/content/marigo-whirls-green-mountain FWIW. IMHO. YMMV. |
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