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| Re: Rationale for single driver speakers [message #19703 is a reply to message #19690] |
Fri, 16 January 2004 07:41   |
hurdy_gurdyman
Messages: 416
Registered: May 2009
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Illuminati (1st Degree) |
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My take on fullrange drivers is that they do work and well. I know they can't extend bass and treble as much as a three way, and that beamimg and doppler distortion is greater. Still, a good fullrange driver does something to "music" (vs test tones) that can be close to magical. Perhaps we just don't know what to measure with them yet.
It's kinda like tube amps. The measure higher THD, IM, and not as flat or extended frequency response, but they can do something that can make music come alive. I've heard fullrange drivers driven by tubes that can bring spine chills and goosebumps (in a good way) to the musical listening experience. To me, it's obvious the something is not being measured that explains this.
With fullrange drivers that I've owned, I like to compromise by adding a very hi tweeter crossed at 10 kHz or higher, and a sub below 60 Hz. This allows the fullrange driver to handle all but the extremes. It works!
Best description of the results I can think of is "Coherent".Dave:^)
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| Re: Rationale for single driver speakers [message #19705 is a reply to message #19704] |
Fri, 16 January 2004 15:10 |
hurdy_gurdyman
Messages: 416
Registered: May 2009
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Illuminati (1st Degree) |
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So far, I've only tried two, the EV T-35 and a piezo (using a crossover and matching transformer). The piezo just barely makes it as far as sensitivity goes when hooked with my EV LS-12's (crossed with either a 1 uF or a 1.5 uF cap and transformer with 50 ohm resistor). The T-35 is much more efficient then the piezo, but I kind of like the piezo's sound. I have damped the horn on the outside with plumbers putty, also.
Both tweeters work well, but I would like to experiment more before making a recommendation, like using a different horn tweeter, or maybe a ribbon (if I can find an affordable one with enough sensitivity, about 95 dB).Dave
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| Re: Rationale for single driver speakers [message #19706 is a reply to message #19702] |
Fri, 16 January 2004 20:36 |
Adrian Mack
Messages: 568
Registered: May 2009
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Illuminati (1st Degree) |
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Hi EdThats true, all of that is established theory. My intent was to simply make a point to Paul, as he said since multi-way systems cannot cover 20Hz to 20KHz either, then we may as well use a fullrange driver instead for that reason. I was just presenting a number of other things to consider other than bandwidth. But everyone has their own opinions. Some audiophiles will argue that multi-way systems will smear the sound, whilst others will say fullrange drivers sound like clock radio's. Then others may simply choose a fullrange driver for fear that the designer of a multi-way speaker doesn't know what his doing with the crossovers (which elektratig brought up). IMO, it's a waste of time to try and change people's opinions, so instead we can discuss what does differentiate the two systems. Adrian
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| Re: Rationale for single driver speakers [message #19707 is a reply to message #19701] |
Fri, 16 January 2004 20:45 |
Adrian Mack
Messages: 568
Registered: May 2009
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Illuminati (1st Degree) |
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Hi AkhileshSure, I bet some of them are very pleasant to listen too. Everyone has their own opinions. Some audiophiles will argue that multi-way systems will smear the sound, whilst others will say fullrange drivers sound like clock radio's. Then others may simply choose a fullrange driver for fear that the designer of a multi-way speaker doesn't know what his doing with the crossovers (which elektratig brought up). IMO, it's a waste of time to try and change people's opinions, so instead we can discuss what does differentiate the two systems. What also came to my thoughts - perhaps it's psychological as well. I mean, I've got two different pair's of fullrange drivers here, whizzer cone type. Almost had convinced myself there was something "natural" or "coherant" to the way they sound as well, especially after a lot of listening - I kinda got attracted to them. But after that, I listened to a good multi-way speaker (not the ones I often listen too in my main setup, as I could easily bias in favour of them), and I concluded that the fullrange driver wasn't really that special after going back to listen to a multi-way speaker. But at the time, I had my mind convinced that the single driver sounded better, despite not putting my finger on it. That's the way I view these things anyway. Adrian
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| Re: Rationale for single driver speakers [message #19709 is a reply to message #19706] |
Sat, 17 January 2004 15:37 |
Ed Schilling
Messages: 47
Registered: May 2009
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Baron |
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Adrian,
I agree. I did not mean to imply anything but rather post why/how "I" came to the single driver table. And that ultimately, what matters is how things sound to you. Yep, there are many ways to "get there". I doubt there is a "best", well at least a "best" that works for everyone. Then again, there is that one little speaker......................
Ed
BTW.......crossovers....whew, now that is a subject that I really dislike! I tweaked a x-over for over 2 years once! Damn near made me insane. Every change was for the better......well, until I undid the change and then that was better too. Changing slopes improved them also until I went back to the old one. What a nightmare....just choosing the brand of caps was trouble...and then of course I had to try what I did not choose. Which led to different types of inductors.........I am having flash backs already. By the time it was over I had "improved" a very good speaker (an MTM TL, Dynaudio drivers) to the point that it sucked.
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