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#1
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Humans have a natural addiction to order. This means that speakers are
usually placed in a room in an arrangment carefully parallel with the walls. There is usually an attempt to maintain absolute symmetry, more apparent than real. Furniture belongs against the wall; so, too, we believe, with speakers. For after all, aren't speakers simply furniture with a special purpose? Regrettably, no. Those of us familiar with the agonies (and ecstasies) of speaker placement know that speakers demand to be unnaturally present; they demand to stick out, to be nonparallel; the demands of acoustics conflict with the needs of architecture and human habitability. Speaker designers know this so well that most designs try to concede technically to the nonoptimal environment provided by the typical user, with varying success. Room treatments also succumb to decorative imperatives. Most of those intended for consumers are too small, and too unobtrusive, to do more than take the edge off a bad situation, for most home systems are, from the point of view of acoustics, bad situations. My main listening room is small, and due to gluttony of desire and taste, must hold eight large amplifiers, three pairs of floor standing speakers, a pair of bookshelf speakers, and six surround speakers. The room is small because, being so, I can do anything I want with it, which trumps the value of larger spaces around the house. Since I can do anything I want with it, I have tried every placement of floorstanding speakers for which they are actually in contact with the floor. The Chinese art of Feng Shui is, quoting from http://en.wikipedia.org/wiki/Feng_shui, "Chinese practice of placement and arrangement of space to attempt to achieve harmony with the environment". Adherents to Feng Shui move the furniture of a room around to achieve "harmony". Sometimes this involves making things nonsquare. I mention this because I don't believe in Feng Shui at all. The suggestion that follows has nothing at all to do with anything but physics. I have found that, in a listening room such as mine, which is fairly typically treated with afew yards of Sonex, has a significant amount of clutter, and so forth, that so-called "early reflections" are still a significant impediment to the performance of loudspeakers. Early reflections, crudely defined, are those which hit your ear with a single wall or ceiling bounce. The traditional method of locating early reflections is to have a partner move a mirror around the walls. When you can see the speaker in the mirror from your listening position, the location of the mirror is the bounce point of an early reflection. Such reflections can be so strong as to create phantom images, and completely destroy the stereo illusion. I know people who bi-annually replace their speakers because of dissatisfaction with the image. They ignorantly drop the new speakers exactly where the old ones were, for an inevitable repetition of their angst. Purely as an experiment, I placed my set of NEAR 50m floorstanders catty-corner. At first, I tried symmetric placement on the room diagonal. This did not work; the stereo image was absent. Concentrating on the early reflection, I completely abandoned symmetry, so that the speakers are placed against the walls, but with relative dimensions completely unequal in every other respect. From my chair, the speakers subtend an unusually wide angle: 90 to 120 degrees, and the stereo image is the most flawless I have ever perceived, without a hint of a center hole. Paradoxically, a pair of Polk LSi15 speakers, placed inside the NEARs, do suffer from both a center whole and phantom imaging, as the two defects do go together. But it's not the flaw of the speakers; it is simply that I ran out of luck in placement for the third pair. And where do the Kef Reference III's, my original "high end" pair go? Stuffed into the corners, surrounded by Sonex, forced to suffer with nonoptimal placement. But the Kef designers apparently anticipated such maltreatment; the concentric Uni-Q system still provides excellent sound, aided by homemade Sonex panels,. Although the soundstage is somewhat restricted in width, the tonal anomalies associated with reliance on Sonex, which is far from an optimal material, seem suppressed by the Kef design. The NEARs and Polks cannot perform in this location. What about the traditional panacea, of moving the speakers out from the walls? I have tried this with a number of speakers, and the results, in this room, have been uniformly disappointing. Apparently, other factors, such as comb filtering from channel crosstalk, tend to dominate the manifest of defects. So there you have it; an experimental activity to perform when the wife is not home. You may find something memorable, something to strive for, that with modification or compromise may be eligible for permanent integration. One simply has to fight the natural human impulse to square things off; to make things "neat." The above discussion is based on well known principles of physical acoustics. |
#2
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Posted to rec.audio.opinion
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![]() Robert Morein wrote: Humans have a natural addiction to order. This means that speakers are usually placed in a room in an arrangment carefully parallel with the walls. There is usually an attempt to maintain absolute symmetry, more apparent than real. Furniture belongs against the wall; so, too, we believe, with speakers. For after all, aren't speakers simply furniture with a special purpose? Regrettably, no. Those of us familiar with the agonies (and ecstasies) of speaker placement know that speakers demand to be unnaturally present; they demand to stick out, to be nonparallel; the demands of acoustics conflict with the needs of architecture and human habitability. Speaker designers know this so well that most designs try to concede technically to the nonoptimal environment provided by the typical user, with varying success. Room treatments also succumb to decorative imperatives. Most of those intended for consumers are too small, and too unobtrusive, to do more than take the edge off a bad situation, for most home systems are, from the point of view of acoustics, bad situations. My main listening room is small, and due to gluttony of desire and taste, must hold eight large amplifiers, three pairs of floor standing speakers, a pair of bookshelf speakers, and six surround speakers. The room is small because, being so, I can do anything I want with it, which trumps the value of larger spaces around the house. Since I can do anything I want with it, I have tried every placement of floorstanding speakers for which they are actually in contact with the floor. The Chinese art of Feng Shui is, quoting from http://en.wikipedia.org/wiki/Feng_shui, "Chinese practice of placement and arrangement of space to attempt to achieve harmony with the environment". Adherents to Feng Shui move the furniture of a room around to achieve "harmony". Sometimes this involves making things nonsquare. I mention this because I don't believe in Feng Shui at all. The suggestion that follows has nothing at all to do with anything but physics. I have found that, in a listening room such as mine, which is fairly typically treated with afew yards of Sonex, has a significant amount of clutter, and so forth, that so-called "early reflections" are still a significant impediment to the performance of loudspeakers. Early reflections, crudely defined, are those which hit your ear with a single wall or ceiling bounce. The traditional method of locating early reflections is to have a partner move a mirror around the walls. When you can see the speaker in the mirror from your listening position, the location of the mirror is the bounce point of an early reflection. Such reflections can be so strong as to create phantom images, and completely destroy the stereo illusion. I know people who bi-annually replace their speakers because of dissatisfaction with the image. They ignorantly drop the new speakers exactly where the old ones were, for an inevitable repetition of their angst. Purely as an experiment, I placed my set of NEAR 50m floorstanders catty-corner. At first, I tried symmetric placement on the room diagonal. This did not work; the stereo image was absent. Concentrating on the early reflection, I completely abandoned symmetry, so that the speakers are placed against the walls, but with relative dimensions completely unequal in every other respect. From my chair, the speakers subtend an unusually wide angle: 90 to 120 degrees, and the stereo image is the most flawless I have ever perceived, without a hint of a center hole. Paradoxically, a pair of Polk LSi15 speakers, placed inside the NEARs, do suffer from both a center whole and phantom imaging, as the two defects do go together. But it's not the flaw of the speakers; it is simply that I ran out of luck in placement for the third pair. And where do the Kef Reference III's, my original "high end" pair go? Stuffed into the corners, surrounded by Sonex, forced to suffer with nonoptimal placement. But the Kef designers apparently anticipated such maltreatment; the concentric Uni-Q system still provides excellent sound, aided by homemade Sonex panels,. Although the soundstage is somewhat restricted in width, the tonal anomalies associated with reliance on Sonex, which is far from an optimal material, seem suppressed by the Kef design. The NEARs and Polks cannot perform in this location. What about the traditional panacea, of moving the speakers out from the walls? I have tried this with a number of speakers, and the results, in this room, have been uniformly disappointing. Apparently, other factors, such as comb filtering from channel crosstalk, tend to dominate the manifest of defects. So there you have it; an experimental activity to perform when the wife is not home. You may find something memorable, something to strive for, that with modification or compromise may be eligible for permanent integration. One simply has to fight the natural human impulse to square things off; to make things "neat." The above discussion is based on well known principles of physical acoustics. Robert, I solve all these problems every day just by putting on headphones. That's my free tweak. :-) |
#3
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Posted to rec.audio.opinion
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![]() "paul packer" wrote in message oups.com... Robert Morein wrote: Humans have a natural addiction to order. This means that speakers are usually placed in a room in an arrangment carefully parallel with the walls. There is usually an attempt to maintain absolute symmetry, more apparent than real. Furniture belongs against the wall; so, too, we believe, with speakers. For after all, aren't speakers simply furniture with a special purpose? Regrettably, no. Those of us familiar with the agonies (and ecstasies) of speaker placement know that speakers demand to be unnaturally present; they demand to stick out, to be nonparallel; the demands of acoustics conflict with the needs of architecture and human habitability. Speaker designers know this so well that most designs try to concede technically to the nonoptimal environment provided by the typical user, with varying success. Room treatments also succumb to decorative imperatives. Most of those intended for consumers are too small, and too unobtrusive, to do more than take the edge off a bad situation, for most home systems are, from the point of view of acoustics, bad situations. My main listening room is small, and due to gluttony of desire and taste, must hold eight large amplifiers, three pairs of floor standing speakers, a pair of bookshelf speakers, and six surround speakers. The room is small because, being so, I can do anything I want with it, which trumps the value of larger spaces around the house. Since I can do anything I want with it, I have tried every placement of floorstanding speakers for which they are actually in contact with the floor. The Chinese art of Feng Shui is, quoting from http://en.wikipedia.org/wiki/Feng_shui, "Chinese practice of placement and arrangement of space to attempt to achieve harmony with the environment". Adherents to Feng Shui move the furniture of a room around to achieve "harmony". Sometimes this involves making things nonsquare. I mention this because I don't believe in Feng Shui at all. The suggestion that follows has nothing at all to do with anything but physics. I have found that, in a listening room such as mine, which is fairly typically treated with afew yards of Sonex, has a significant amount of clutter, and so forth, that so-called "early reflections" are still a significant impediment to the performance of loudspeakers. Early reflections, crudely defined, are those which hit your ear with a single wall or ceiling bounce. The traditional method of locating early reflections is to have a partner move a mirror around the walls. When you can see the speaker in the mirror from your listening position, the location of the mirror is the bounce point of an early reflection. Such reflections can be so strong as to create phantom images, and completely destroy the stereo illusion. I know people who bi-annually replace their speakers because of dissatisfaction with the image. They ignorantly drop the new speakers exactly where the old ones were, for an inevitable repetition of their angst. Purely as an experiment, I placed my set of NEAR 50m floorstanders catty-corner. At first, I tried symmetric placement on the room diagonal. This did not work; the stereo image was absent. Concentrating on the early reflection, I completely abandoned symmetry, so that the speakers are placed against the walls, but with relative dimensions completely unequal in every other respect. From my chair, the speakers subtend an unusually wide angle: 90 to 120 degrees, and the stereo image is the most flawless I have ever perceived, without a hint of a center hole. Paradoxically, a pair of Polk LSi15 speakers, placed inside the NEARs, do suffer from both a center whole and phantom imaging, as the two defects do go together. But it's not the flaw of the speakers; it is simply that I ran out of luck in placement for the third pair. And where do the Kef Reference III's, my original "high end" pair go? Stuffed into the corners, surrounded by Sonex, forced to suffer with nonoptimal placement. But the Kef designers apparently anticipated such maltreatment; the concentric Uni-Q system still provides excellent sound, aided by homemade Sonex panels,. Although the soundstage is somewhat restricted in width, the tonal anomalies associated with reliance on Sonex, which is far from an optimal material, seem suppressed by the Kef design. The NEARs and Polks cannot perform in this location. What about the traditional panacea, of moving the speakers out from the walls? I have tried this with a number of speakers, and the results, in this room, have been uniformly disappointing. Apparently, other factors, such as comb filtering from channel crosstalk, tend to dominate the manifest of defects. So there you have it; an experimental activity to perform when the wife is not home. You may find something memorable, something to strive for, that with modification or compromise may be eligible for permanent integration. One simply has to fight the natural human impulse to square things off; to make things "neat." The above discussion is based on well known principles of physical acoustics. Robert, I solve all these problems every day just by putting on headphones. That's my free tweak. :-) What metaphysical rubbish. Now turn in circles three times and say, "God save the Queen." |
#4
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Posted to rec.audio.opinion
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![]() "paul packer" wrote in message oups.com... Robert Morein wrote: Humans have a natural addiction to order. This means that speakers are usually placed in a room in an arrangment carefully parallel with the walls. There is usually an attempt to maintain absolute symmetry, more apparent than real. Furniture belongs against the wall; so, too, we believe, with speakers. For after all, aren't speakers simply furniture with a special purpose? Regrettably, no. Those of us familiar with the agonies (and ecstasies) of speaker placement know that speakers demand to be unnaturally present; they demand to stick out, to be nonparallel; the demands of acoustics conflict with the needs of architecture and human habitability. Speaker designers know this so well that most designs try to concede technically to the nonoptimal environment provided by the typical user, with varying success. Room treatments also succumb to decorative imperatives. Most of those intended for consumers are too small, and too unobtrusive, to do more than take the edge off a bad situation, for most home systems are, from the point of view of acoustics, bad situations. My main listening room is small, and due to gluttony of desire and taste, must hold eight large amplifiers, three pairs of floor standing speakers, a pair of bookshelf speakers, and six surround speakers. The room is small because, being so, I can do anything I want with it, which trumps the value of larger spaces around the house. Since I can do anything I want with it, I have tried every placement of floorstanding speakers for which they are actually in contact with the floor. The Chinese art of Feng Shui is, quoting from http://en.wikipedia.org/wiki/Feng_shui, "Chinese practice of placement and arrangement of space to attempt to achieve harmony with the environment". Adherents to Feng Shui move the furniture of a room around to achieve "harmony". Sometimes this involves making things nonsquare. I mention this because I don't believe in Feng Shui at all. The suggestion that follows has nothing at all to do with anything but physics. I have found that, in a listening room such as mine, which is fairly typically treated with afew yards of Sonex, has a significant amount of clutter, and so forth, that so-called "early reflections" are still a significant impediment to the performance of loudspeakers. Early reflections, crudely defined, are those which hit your ear with a single wall or ceiling bounce. The traditional method of locating early reflections is to have a partner move a mirror around the walls. When you can see the speaker in the mirror from your listening position, the location of the mirror is the bounce point of an early reflection. Such reflections can be so strong as to create phantom images, and completely destroy the stereo illusion. I know people who bi-annually replace their speakers because of dissatisfaction with the image. They ignorantly drop the new speakers exactly where the old ones were, for an inevitable repetition of their angst. Purely as an experiment, I placed my set of NEAR 50m floorstanders catty-corner. At first, I tried symmetric placement on the room diagonal. This did not work; the stereo image was absent. Concentrating on the early reflection, I completely abandoned symmetry, so that the speakers are placed against the walls, but with relative dimensions completely unequal in every other respect. From my chair, the speakers subtend an unusually wide angle: 90 to 120 degrees, and the stereo image is the most flawless I have ever perceived, without a hint of a center hole. Paradoxically, a pair of Polk LSi15 speakers, placed inside the NEARs, do suffer from both a center whole and phantom imaging, as the two defects do go together. But it's not the flaw of the speakers; it is simply that I ran out of luck in placement for the third pair. And where do the Kef Reference III's, my original "high end" pair go? Stuffed into the corners, surrounded by Sonex, forced to suffer with nonoptimal placement. But the Kef designers apparently anticipated such maltreatment; the concentric Uni-Q system still provides excellent sound, aided by homemade Sonex panels,. Although the soundstage is somewhat restricted in width, the tonal anomalies associated with reliance on Sonex, which is far from an optimal material, seem suppressed by the Kef design. The NEARs and Polks cannot perform in this location. What about the traditional panacea, of moving the speakers out from the walls? I have tried this with a number of speakers, and the results, in this room, have been uniformly disappointing. Apparently, other factors, such as comb filtering from channel crosstalk, tend to dominate the manifest of defects. So there you have it; an experimental activity to perform when the wife is not home. You may find something memorable, something to strive for, that with modification or compromise may be eligible for permanent integration. One simply has to fight the natural human impulse to square things off; to make things "neat." The above discussion is based on well known principles of physical acoustics. Robert, I solve all these problems every day just by putting on headphones. That's my free tweak. :-) Robert should know by now that simply absorbing reflected sound is not always going to solve problems, there are other ways to and means to solve problems through the use of diffusers. Sorry, but to listen only through headphones seems a complete waste, since IME they never give you the same sense of space and ambience that speakers can. |
#5
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Posted to rec.audio.opinion
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![]() " wrote in message ... "paul packer" wrote in message oups.com... snip Robert, I solve all these problems every day just by putting on headphones. That's my free tweak. :-) Robert should know by now that simply absorbing reflected sound is not always going to solve problems, there are other ways to and means to solve problems through the use of diffusers. Sorry, but to listen only through headphones seems a complete waste, since IME they never give you the same sense of space and ambience that speakers can. That's interesting. Because listening through headphones is the closest approximation of being "live in studio" that there is. Much less acoustic distortion, much more clarity of the sound in the live space. So, I quess you like "pleasureable added distortion", eh? Perhaps you are ready for LP's now, NYOB. Think about it. |
#6
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Posted to rec.audio.opinion
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![]() Harry Lavo wrote: " wrote in message ... "paul packer" wrote in message oups.com... snip Robert, I solve all these problems every day just by putting on headphones. That's my free tweak. :-) Robert should know by now that simply absorbing reflected sound is not always going to solve problems, there are other ways to and means to solve problems through the use of diffusers. Sorry, but to listen only through headphones seems a complete waste, since IME they never give you the same sense of space and ambience that speakers can. That's interesting. Because listening through headphones is the closest approximation of being "live in studio" that there is. Much less acoustic distortion, much more clarity of the sound in the live space. It does remove a number of traditional problems like room interaction, airborne vibration etc. Phones are also an easier, less reactive load for the amp. To call listening through quality headphones "a complete waste" is of course nonsense. And as for space and ambience, good phones can certainly provide that. Nope, you're wrong, Mike, and not--dare I suggest?--for the first time. |
#7
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Posted to rec.audio.opinion
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On 30 Mar 2006 05:19:56 -0800, "paul packer"
wrote: That's interesting. Because listening through headphones is the closest approximation of being "live in studio" that there is. Much less acoustic distortion, much more clarity of the sound in the live space. It does remove a number of traditional problems like room interaction, airborne vibration etc. Phones are also an easier, less reactive load for the amp. To call listening through quality headphones "a complete waste" is of course nonsense. And as for space and ambience, good phones can certainly provide that. Nope, you're wrong, Mike, and not--dare I suggest?--for the first time. There are a couple of reasons why I generally don't care much for phones (and I had one of the uncontested best phones for a while - the Stax Gammas, which I sold because I found myself rarely using them). The main thing is that any type of phones, whether closed, open or buds, feels "unnatural" to me. It's very difficult to ignore the fact that I'm wearing them. Part of it is the physical contact that they make, but part of it is the somewhat hyper-present sound that doesn't really mimic (to me, at least) the sound that you would normally hear being presented either live or "in the room" with speakers. Now, if I am trying to listen to music on the street, then I would opt for that sort of presentation because it would be far prefereable to either forgoing music or using a boombox or other speaker-oriented system (obviously the sound suffers from non-boundary reinforcement even with the "best" portable system). If I had to listen to music in a way not to disturb others, then I would opt for headphones in lieu of not listening to music at all. Also, there are the rare times that music is served by the "unnaturalness" of headphones, mostly when they are designed for that sort of presentation, i.e. electronic music, music with wild effects, etc. However, I can understand the appeal that headphones have for some people, even apart from the practical considerations of using headphones in situations where they are almost mandatory. Some people like the upfront and detailed presentation that they offer and those people can easily overlook/forget the physical aspects of headphones. There is no right or wrong about the use of headphones. |
#8
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Posted to rec.audio.opinion
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On Thu, 30 Mar 2006 07:40:23 -0600, dave weil
wrote: either forgoing music Or foregoing music, even... |
#9
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Posted to rec.audio.opinion
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On Thu, 30 Mar 2006 07:40:23 -0600, dave weil
wrote: On 30 Mar 2006 05:19:56 -0800, "paul packer" wrote: That's interesting. Because listening through headphones is the closest approximation of being "live in studio" that there is. Much less acoustic distortion, much more clarity of the sound in the live space. It does remove a number of traditional problems like room interaction, airborne vibration etc. Phones are also an easier, less reactive load for the amp. To call listening through quality headphones "a complete waste" is of course nonsense. And as for space and ambience, good phones can certainly provide that. Nope, you're wrong, Mike, and not--dare I suggest?--for the first time. There are a couple of reasons why I generally don't care much for phones (and I had one of the uncontested best phones for a while - the Stax Gammas, which I sold because I found myself rarely using them). That's not surprising. I had the Gammas, and they place the drivers a lot way from the ears. Consequently they sound very distant and tend to lose one's interest. I changed to the Lambdas, which use the same drivers but placed much closer. The main thing is that any type of phones, whether closed, open or buds, feels "unnatural" to me. It's very difficult to ignore the fact that I'm wearing them. Part of it is the physical contact that they make, but part of it is the somewhat hyper-present sound that doesn't really mimic (to me, at least) the sound that you would normally hear being presented either live or "in the room" with speakers. Fair enough. These are the traditional objections to phones. Neither point has ever been a problem for me (though I admit, you do need really comfortable phones for long sessions!), and there are, you must agree, huge compensations, economics being not the least of them. I started using phones out of necessity and now would never go back to speakers. However, I can understand the appeal that headphones have for some people, even apart from the practical considerations of using headphones in situations where they are almost mandatory. Some people like the upfront and detailed presentation that they offer and those people can easily overlook/forget the physical aspects of headphones. There is no right or wrong about the use of headphones. Absolutely. When I listen to speakers now I find them impossibly distant and dull. Last speakers I had--admittedly budget--were the Tannoy Mercury. Just couldn't abide them. |
#10
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Posted to rec.audio.opinion
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![]() "paul packer" wrote in message oups.com... Harry Lavo wrote: " wrote in message ... "paul packer" wrote in message oups.com... snip Robert, I solve all these problems every day just by putting on headphones. That's my free tweak. :-) Robert should know by now that simply absorbing reflected sound is not always going to solve problems, there are other ways to and means to solve problems through the use of diffusers. Sorry, but to listen only through headphones seems a complete waste, since IME they never give you the same sense of space and ambience that speakers can. That's interesting. Because listening through headphones is the closest approximation of being "live in studio" that there is. Much less acoustic distortion, much more clarity of the sound in the live space. It does remove a number of traditional problems like room interaction, airborne vibration etc. Phones are also an easier, less reactive load for the amp. To call listening through quality headphones "a complete waste" is of course nonsense. I said it "seems" a complete waste of time, meaning it seems so to me. Prefernce bashing anyone? I've done lots of listening through phones and never got anywhere near the same joy as I get when listening through top quality speakers, and it no way seems like listening in a studio. And as for space and ambience, good phones can certainly provide that. Nope, you're wrong, Mike, and not--dare I suggest?--for the first time. How can my opinion be wrong. It's how I feel about it and it's my experience. I prefer good speakers in a good room. There's no way a pair of headphones is going to give me the sense that speakers can especially with bass response. If it feels good for you go for it. I'm not telling you it's wrong, only that for me it's not worth it, I like to feel bass, not just hear it. |
#11
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![]() "Harry Lavo" wrote in message ... " wrote in message ... "paul packer" wrote in message oups.com... snip Robert, I solve all these problems every day just by putting on headphones. That's my free tweak. :-) Robert should know by now that simply absorbing reflected sound is not always going to solve problems, there are other ways to and means to solve problems through the use of diffusers. Sorry, but to listen only through headphones seems a complete waste, since IME they never give you the same sense of space and ambience that speakers can. That's interesting. Because listening through headphones is the closest approximation of being "live in studio" that there is. The only way you could say that is if you have never been in a live studio. I have been and no pair of headphones will eve be able to recreate that experience. Much less acoustic distortion, much more clarity of the sound in the live space. Nonsense. So, I quess you like "pleasureable added distortion", eh? Perhaps you are ready for LP's now, NYOB. Think about it. I have and they suck by comparison to a good CD. Headphones do not provide any of the things that decent set of speakers in a good room can. |
#12
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On Tue, 4 Apr 2006 00:14:47 -0700, "
wrote: Headphones do not provide any of the things that decent set of speakers in a good room can. "Any" of the things? Now, now, Mike..... |
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