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Slam
On Wed, 1 Oct 2003 19:25:21 +0100, tony sayer
wrote: Handwaving were ne'er so lyrical. Unfortunately we are still no nearer to a clue as to what Slam is... d _____________________________ http://www.pearce.uk.com Slam is a LOUD setting on an Orban FM radio processor!, that's wot it is!.. -- Tony Sayer Now THIS I am prepared to believe! (I almost said happy to believe, but I caught myself just in time) d _____________________________ http://www.pearce.uk.com |
Slam
In article , Keith G
wrote: [snip] If anyone *doesn't* understand what's usually meant by simple phrases like 'slam', air', 'soundstaging', warmth', 'colour', 'tone', texture' etc. then they must live in an isolated little world utterly devoid of poetry, imagery and the like. [snip] Thus, I would tender: 'Slam', in the context of sounds obtained from an amplifier/speaker combination (you need both) - if you ever heard it yourself, you would know what it was..... Alas, I have two problems with the above... :-) The first is that I am not sure what it means when someone says, for example, that an *amplifier* has 'slam'. I may have an impression of what a characteristic of a given *sound* I might call 'slam', but this is referring to the sound, not the amplifier. Given the dependence upon the nature of the signal being presented to the amp, and the effects of speakers, room, etc, I am doubtful of how an amp can be said to have 'slam' other than simply saying it has a given frequency response, or something like that. The second is that my own personl impression of what seems to be 'slam' might be quite different to some-one else's. Hence when used in a review, or similar, about an amp, I am not really sure what it tells me beyond guessing the amp can provide the required power at low frequencies to drive the speakers in use for the test waveforms employed to sound as the reviewer might expect. FWIW I've finally got around to adding a subwoofer to the living room system (mainly for DVD) which uses LS3/5A's. This means I now get much better low bass extension and this has a particularly noticable effect in the 20-40 Hz range. I might then say that ensuring the 20-40Hz range is present at the appropriate level now means I get more 'slam' than before when listening to a soundtrack like LOTR or whatever. However I'm not sure this is what reviewers mean, nor how it might telate to an amplifier beyond saying it can reproduce LF satisfactorily... Slainte, Jim -- Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html |
Slam
In article , Keith G
wrote: [snip] If anyone *doesn't* understand what's usually meant by simple phrases like 'slam', air', 'soundstaging', warmth', 'colour', 'tone', texture' etc. then they must live in an isolated little world utterly devoid of poetry, imagery and the like. [snip] Thus, I would tender: 'Slam', in the context of sounds obtained from an amplifier/speaker combination (you need both) - if you ever heard it yourself, you would know what it was..... Alas, I have two problems with the above... :-) The first is that I am not sure what it means when someone says, for example, that an *amplifier* has 'slam'. I may have an impression of what a characteristic of a given *sound* I might call 'slam', but this is referring to the sound, not the amplifier. Given the dependence upon the nature of the signal being presented to the amp, and the effects of speakers, room, etc, I am doubtful of how an amp can be said to have 'slam' other than simply saying it has a given frequency response, or something like that. The second is that my own personl impression of what seems to be 'slam' might be quite different to some-one else's. Hence when used in a review, or similar, about an amp, I am not really sure what it tells me beyond guessing the amp can provide the required power at low frequencies to drive the speakers in use for the test waveforms employed to sound as the reviewer might expect. FWIW I've finally got around to adding a subwoofer to the living room system (mainly for DVD) which uses LS3/5A's. This means I now get much better low bass extension and this has a particularly noticable effect in the 20-40 Hz range. I might then say that ensuring the 20-40Hz range is present at the appropriate level now means I get more 'slam' than before when listening to a soundtrack like LOTR or whatever. However I'm not sure this is what reviewers mean, nor how it might telate to an amplifier beyond saying it can reproduce LF satisfactorily... Slainte, Jim -- Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html |
Slam
In article , Kurt Hamster
wrote: On Wed, 01 Oct 2003 17:04:10 +0100, Don Pearce used to say... Handwaving were ne'er so lyrical. Unfortunately we are still no nearer to a clue as to what Slam is... Do you know what a slammed door sounds like? Yes? I think so. However the snag here for me is that the sound seems to vary from one door to another, and with where I and standing w.r.t. to it, etc. Hence I'm afraid don't find it very precise as a definition. Well how would _you_ describe the type of sound it makes? Thud? :-) Or would you just find it easier to say the sound has some slam about it? Or if you wanted to be pedantic how about, fast attack, no decay, no sustain and a sharp release? I find your explanation interesting as I would up until now *not* have said that the above is what reviewers mean by the word 'slam'. I had thought it meant that a particular LF band was present, and in the right proportion with the rest of the signal. You may be right, though. However if so, it perhaps shows how careful people have to be when using such terms as I, for one, formed the view that they were describing something quite different to what you say in you final paragraph above! Slainte, Jim -- Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html |
Slam
In article , Kurt Hamster
wrote: On Wed, 01 Oct 2003 17:04:10 +0100, Don Pearce used to say... Handwaving were ne'er so lyrical. Unfortunately we are still no nearer to a clue as to what Slam is... Do you know what a slammed door sounds like? Yes? I think so. However the snag here for me is that the sound seems to vary from one door to another, and with where I and standing w.r.t. to it, etc. Hence I'm afraid don't find it very precise as a definition. Well how would _you_ describe the type of sound it makes? Thud? :-) Or would you just find it easier to say the sound has some slam about it? Or if you wanted to be pedantic how about, fast attack, no decay, no sustain and a sharp release? I find your explanation interesting as I would up until now *not* have said that the above is what reviewers mean by the word 'slam'. I had thought it meant that a particular LF band was present, and in the right proportion with the rest of the signal. You may be right, though. However if so, it perhaps shows how careful people have to be when using such terms as I, for one, formed the view that they were describing something quite different to what you say in you final paragraph above! Slainte, Jim -- Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html |
Slam
"The Old Fogey" wrote in message om... Can anyone define 'Slam' in the context of audio power amps? **Tell you what to do: 1) Find a nice pair of difficult to drive, full range loudspeakers. A pair of AR9s, some old Infinity's (Kappa 9, RS1.5, RS2.5, etc), Linn Isobarics, Duntech Sovereigns, Crown Princes, B&W 801, 802 (et al), KEF 105, 104 (et al). would all be suitable candidates. 2) Now find two, similarly powered amplifiers. One, a decently designed BJT amp, with a flat frequency response and adequate current delivery for the above-mentioned speakers. Rotel, Krell, Arcam all make suitable products. Now find a low bias MOSFET amp. Perreaux and several other manufacturers make suitable products. 3) Listen to some music which has fast, dynamic, percussive sounds. After this, you will probably understand what I mean by the term: 'slam'. -- Trevor Wilson www.rageaudio.com.au |
Slam
"The Old Fogey" wrote in message om... Can anyone define 'Slam' in the context of audio power amps? **Tell you what to do: 1) Find a nice pair of difficult to drive, full range loudspeakers. A pair of AR9s, some old Infinity's (Kappa 9, RS1.5, RS2.5, etc), Linn Isobarics, Duntech Sovereigns, Crown Princes, B&W 801, 802 (et al), KEF 105, 104 (et al). would all be suitable candidates. 2) Now find two, similarly powered amplifiers. One, a decently designed BJT amp, with a flat frequency response and adequate current delivery for the above-mentioned speakers. Rotel, Krell, Arcam all make suitable products. Now find a low bias MOSFET amp. Perreaux and several other manufacturers make suitable products. 3) Listen to some music which has fast, dynamic, percussive sounds. After this, you will probably understand what I mean by the term: 'slam'. -- Trevor Wilson www.rageaudio.com.au |
Slam
On Wed, 01 Oct 2003 21:48:00 +0100, Kurt Hamster
wrote: On Wed, 01 Oct 2003 18:06:49 +0100, Don Pearce used to say... On Wed, 01 Oct 2003 17:50:32 +0100, Kurt Hamster wrote: On Wed, 01 Oct 2003 17:04:10 +0100, Don Pearce used to say... Handwaving were ne'er so lyrical. Unfortunately we are still no nearer to a clue as to what Slam is... Do you know what a slammed door sounds like? Yes? Well how would _you_ describe the type of sound it makes? Or would you just find it easier to say the sound has some slam about it? Or if you wanted to be pedantic how about, fast attack, no decay, no sustain and a sharp release? Well, if I were listening to recordings of doors being slammed, then slam is what I would want to hear. My listening is much more to do with music - without slamming doors. So I was correct when I said "if you want to be pedantic" :( You might have been if that was what you said - but it wasn't. What you said was "Or if you wanted to be pedantic how about, fast attack, no decay, no sustain and a sharp release?" Rather wide of the mark, you must agree. If you feel the inclination to misquote yourself, at least have the smarts not to include the correct version in the post. d _____________________________ http://www.pearce.uk.com |
Slam
On Wed, 01 Oct 2003 21:48:00 +0100, Kurt Hamster
wrote: On Wed, 01 Oct 2003 18:06:49 +0100, Don Pearce used to say... On Wed, 01 Oct 2003 17:50:32 +0100, Kurt Hamster wrote: On Wed, 01 Oct 2003 17:04:10 +0100, Don Pearce used to say... Handwaving were ne'er so lyrical. Unfortunately we are still no nearer to a clue as to what Slam is... Do you know what a slammed door sounds like? Yes? Well how would _you_ describe the type of sound it makes? Or would you just find it easier to say the sound has some slam about it? Or if you wanted to be pedantic how about, fast attack, no decay, no sustain and a sharp release? Well, if I were listening to recordings of doors being slammed, then slam is what I would want to hear. My listening is much more to do with music - without slamming doors. So I was correct when I said "if you want to be pedantic" :( You might have been if that was what you said - but it wasn't. What you said was "Or if you wanted to be pedantic how about, fast attack, no decay, no sustain and a sharp release?" Rather wide of the mark, you must agree. If you feel the inclination to misquote yourself, at least have the smarts not to include the correct version in the post. d _____________________________ http://www.pearce.uk.com |
Slam
Trevor Wilson wrote:
Can anyone define 'Slam' in the context of audio power amps? **Tell you what to do: 1) Find a nice pair of difficult to drive, full range loudspeakers. A pair of AR9s, some old Infinity's (Kappa 9, RS1.5, RS2.5, etc), Linn Isobarics, Duntech Sovereigns, Crown Princes, B&W 801, 802 (et al), KEF 105, 104 (et al). would all be suitable candidates. 2) Now find two, similarly powered amplifiers. One, a decently designed BJT amp, with a flat frequency response and adequate current delivery for the above-mentioned speakers. Rotel, Krell, Arcam all make suitable products. Now find a low bias MOSFET amp. Perreaux and several other manufacturers make suitable products. 3) Listen to some music which has fast, dynamic, percussive sounds. After this, you will probably understand what I mean by the term: 'slam'. Now I understand! Slam is an amplifier/speaker combination working as designed, without being overdriven. Perhaps you could define a lack of slam. Roger. |
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