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Speaker Stands: with or without spikes?
I am about to construct a couple of speaker stands to my DM601 S2 and I
donīt know if I should use spikes between the stands and the floor. My floor is hard (without carpet). In case I should use them, should I use 3 or 4 per stand? What about between the speakers and the stands? I have also seen spikes there. I have found contradictory information on the web about this topic, I would like to know your opinion. Thank you |
Speaker Stands: with or without spikes?
On 5 Sep 2006 11:30:57 -0700, "Ale" wrote:
I am about to construct a couple of speaker stands to my DM601 S2 and I donīt know if I should use spikes between the stands and the floor. My floor is hard (without carpet). In case I should use them, should I use 3 or 4 per stand? What about between the speakers and the stands? I have also seen spikes there. I have found contradictory information on the web about this topic, I would like to know your opinion. Thank you If they will stand happily without rocking, you don't need the spikes. d -- Pearce Consulting http://www.pearce.uk.com |
Speaker Stands: with or without spikes?
Ale wrote: I am about to construct a couple of speaker stands to my DM601 S2 and I donīt know if I should use spikes between the stands and the floor. My floor is hard (without carpet). In case I should use them, should I use 3 or 4 per stand? What about between the speakers and the stands? I have also seen spikes there. I have found contradictory information on the web about this topic, I would like to know your opinion. What's *your* opinion. Do they do anything ? Graham |
Speaker Stands: with or without spikes?
On 5 Sep 2006 11:30:57 -0700, "Ale" wrote:
I am about to construct a couple of speaker stands to my DM601 S2 and I donīt know if I should use spikes between the stands and the floor. My floor is hard (without carpet). In case I should use them, should I use 3 or 4 per stand? What about between the speakers and the stands? I have also seen spikes there. I have found contradictory information on the web about this topic, I would like to know your opinion. As long as the speakers aren't actually rocking around or sitting on something resonant, questions of spikes, rubber mats, expensive wooden cones etc. are getting into audiophool territory :-) But you're making not buying, so you can try things out. DO spikes make them sound different? Better? Be careful, a small change in speaker (or listener) position will very likely make rather MORE difference. |
Speaker Stands: with or without spikes?
"Ale" wrote in message oups.com... ** Groper alert !! I am about to construct a couple of speaker stands to my DM601 S2 and I donīt know if I should use spikes between the stands and the floor. ** No - only audiophool morons do that. My floor is hard (without carpet). ** Then add carpet. Rooms with bare floors sound ABSOLUTELY ****HOUSE for hi-fi. What about between the speakers and the stands? ** Use stick on rubber feet ( aka bumpers) to increase grip and prevent chaffing. ........ Phil |
Speaker Stands: with or without spikes?
On Wed, 6 Sep 2006 10:36:09 +1000, "Phil Allison"
wrote: Use stick on rubber feet ( aka bumpers) to increase grip and prevent chaffing. You mean if he does, you'll stop taking the **** out of him? (When being pompous, it's also a very good idea to be completely accurate :-) |
Speaker Stands: with or without spikes?
Laurence Payne wrote: On Wed, 6 Sep 2006 10:36:09 +1000, "Phil Allison" wrote: Use stick on rubber feet ( aka bumpers) to increase grip and prevent chaffing. You mean if he does, you'll stop taking the **** out of him? (When being pompous, it's also a very good idea to be completely accurate :-) Ok thank you for your help. Personally I think they are good when used on carpet, but I am not so sure they are usefull on hard floor. But this is my idea and it is just supported by common sense. That`s why I looked for some knowledge among you. Iīm not trying to sound "pompous". English is not my mothertongue and I am doing my best to communicate. This is the English Iīve been taught. By the way, what is "Grosper"? |
Speaker Stands: with or without spikes?
"Laurence Payne in the Arse ****wit " You mean if he does, you'll stop taking the **** out of him? ** I wrote what I meant to say . Shame how congenital ASD completely buggers "Laurence Payne in the Arse ****wit " having any comprehension. (When being pompous, it's also a very good idea to be completely accurate :-) ** Posturing PITA pommy ****s like "Laurence Payne in the Arse ****wit " are devoid of any points, as is a bowling ball. WC Fields said it all, long ago. ........ Phil |
Speaker Stands: with or without spikes?
Ale wrote: Laurence Payne wrote: On Wed, 6 Sep 2006 10:36:09 +1000, "Phil Allison" wrote: Use stick on rubber feet ( aka bumpers) to increase grip and prevent chaffing. You mean if he does, you'll stop taking the **** out of him? (When being pompous, it's also a very good idea to be completely accurate :-) Ok thank you for your help. Personally I think they are good when used on carpet, but I am not so sure they are usefull on hard floor. But this is my idea and it is just supported by common sense. That`s why I looked for some knowledge among you. Iīm not trying to sound "pompous". English is not my mothertongue and I am doing my best to communicate. This is the English Iīve been taught. It's possible that spikes on a hard floor will prevent the cabinet 'rattling' against it at low ferequencies. By the way, what is "Grosper"? Groper. A pun on group. Many postings from google groups are made by those 'groping' for information it seems. Graham |
Speaker Stands: with or without spikes?
On 6 Sep 2006 07:20:59 -0700, "Ale" wrote:
Iīm not trying to sound "pompous". English is not my mothertongue and I am doing my best to communicate. This is the English Iīve been taught. Not you. Phil. Actually, for Phil "pompous" is better than usual :-) |
Speaker Stands: with or without spikes?
Ale wrote:
I am about to construct a couple of speaker stands to my DM601 S2 and I donīt know if I should use spikes between the stands and the floor. My floor is hard (without carpet). If you're placing stands (or floorstanding speakers) on carpet then you should use spikes. That way the stand (or cabinet) makes contact with the floor underneath. At my old house where I had a wooden floor I stood a concrete paving slab on the floor and placed floorstanding speakers on top of this (with spikes as the slabs had a decorative surface - the adjustment on the spikes meant I could get the speakers level and stable). At the new house I have a solid concrete floor downstairs, so I don't need to resort to concrete blocks. Upstairs has a wooden floor, so I'm using concrete blocks there. (Yes, it does sound better, the bass is tighter and doesn't "wallow" around the room when the speakers are on slabs.) In case I should use them, should I use 3 or 4 per stand? 3 if you can get away with it, as then you won't have problems with speakers/stands rocking if they're not level. If your speakers and stands together are quite heavy though you may need 4 on each stand to spread the weight. If you're placing the stands on a wooden floor it might be worth using cones rather than spikes, as these won't destroy your floor. Either that or place a 1p coin under the tip of each spike to protect the floor (or a 1/2p coin if you still have any lying around!). What about between the speakers and the stands? I have also seen spikes there. Never bothered with this. I tend to use rubber stick-on feet placed on the top plate of the stand. The speaker then sits on this. Two advantages - firstly it nicely decouples the speaker from the surface... and secondly (more practically) the rubber feet stop the speaker sliding around on the top plate. HTH. -- Glenn Richards Tel: (01453) 845735 Squirrel Solutions http://www.squirrelsolutions.co.uk/ IT consultancy, hardware and software support, broadband installation |
Speaker Stands: with or without spikes?
Phil Allison wrote:
Rooms with bare floors sound ABSOLUTELY ****HOUSE for hi-fi. Well yes, there is that small point. A few years ago I knew someone with all Audiolab 8000 series kit (the original, not the cheap and nasty Chinese copies that have just been re-launched) and Monitor Audio floorstanders. It would have sounded great, except... they had it in a room with laminate flooring, very few soft furnishings etc etc. Apparently he didn't want carpets cos they were "so 1980s". -- Glenn Richards Tel: (01453) 845735 Squirrel Solutions http://www.squirrelsolutions.co.uk/ IT consultancy, hardware and software support, broadband installation |
Speaker Stands: with or without spikes?
"Glenn Richards" wrote in
message . uk Ale wrote: I am about to construct a couple of speaker stands to my DM601 S2 and I donīt know if I should use spikes between the stands and the floor. My floor is hard (without carpet). If you're placing stands (or floorstanding speakers) on carpet then you should use spikes. That way the stand (or cabinet) makes contact with the floor underneath. And the advantage of this is???? If you're placing the stands on a wooden floor it might be worth using cones rather than spikes, as these won't destroy your floor. Cones have pointed ends too, right? Either that or place a 1p coin under the tip of each spike to protect the floor (or a 1/2p coin if you still have any lying around!). So let me get this - you add a cone which creates a problem that you then have to fix by stacking money under it? How about forgetting about the cone? What about between the speakers and the stands? I have also seen spikes there. Isn't a spike just a cone with a sharper tip? Never bothered with this. I tend to use rubber stick-on feet placed on the top plate of the stand. The speaker then sits on this. Two advantages - firstly it nicely decouples the speaker from the surface... and secondly (more practically) the rubber feet stop the speaker sliding around on the top plate. Why bother with spikes and cones at all? |
Speaker Stands: with or without spikes?
"Arny Krueger" Isn't a spike just a cone with a sharper tip? ** I wonder if they come in conical elliptical like styluses ? And sapphire or diamond ? ........ Phil |
Speaker Stands: with or without spikes?
Arny Krueger wrote:
If you're placing stands (or floorstanding speakers) on carpet then you should use spikes. That way the stand (or cabinet) makes contact with the floor underneath. And the advantage of this is???? If the speaker (or stand) is contacting the floor rather than the carpet then it provides a more solid support. Which means that when the speaker cone moves forward it has something solid to push back against - so the air will move rather than the cabinet. If you're placing the stands on a wooden floor it might be worth using cones rather than spikes, as these won't destroy your floor. Cones have pointed ends too, right? They do - but cones also normally come with a small disc with a recess in it which you place under the cone to prevent damage to the floor. The other option with floorstanding speakers which works when you're using them on a hard surface (eg a wooden floor) is to use stick-on rubber feet. These however aren't terribly effective on carpets, as the speakers aren't in contact with the floor underneath - so will move around and vibrate with the music. Two advantages - firstly it nicely decouples the speaker from the surface... and secondly (more practically) the rubber feet stop the speaker sliding around on the top plate. Why bother with spikes and cones at all? Because it sounds better. Same as if you've got floorstanders that can be filled with sand - if you bother filling them with sand then they'll sound better. Tighter bass for one thing. -- Glenn Richards Tel: (01453) 845735 Squirrel Solutions http://www.squirrelsolutions.co.uk/ IT consultancy, hardware and software support, broadband installation |
Speaker Stands: with or without spikes?
"Glenn Richards" wrote Because it sounds better. Same as if you've got floorstanders that can be filled with sand - if you bother filling them with sand then they'll sound better. Tighter bass for one thing. Mass loading speakers doesn't always bring benefits - it needs trying out..... |
Speaker Stands: with or without spikes?
"Glenn Richards" wrote in
message Arny Krueger wrote: If you're placing stands (or floorstanding speakers) on carpet then you should use spikes. That way the stand (or cabinet) makes contact with the floor underneath. And the advantage of this is???? If the speaker (or stand) is contacting the floor rather than the carpet then it provides a more solid support. So what? Which means that when the speaker cone moves forward it has something solid to push back against - so the air will move rather than the cabinet. The cone works against a relatively large mass - the speaker and its enclosure. If you want a real revelation, compare a speaker on an acoustically-transparent stand to the same speaker hung from the ceiling by fishing line. Note that the speaker does not move around noticably when suspended by the nylon line. If you're placing the stands on a wooden floor it might be worth using cones rather than spikes, as these won't destroy your floor. Cones have pointed ends too, right? They do - but cones also normally come with a small disc with a recess in it which you place under the cone to prevent damage to the floor. Plan B - just don't use things that want to damage the floor. The other option with floorstanding speakers which works when you're using them on a hard surface (eg a wooden floor) is to use stick-on rubber feet. These however aren't terribly effective on carpets, as the speakers aren't in contact with the floor underneath - so will move around and vibrate with the music. Never has happened for me. Two advantages - firstly it nicely decouples the speaker from the surface... and secondly (more practically) the rubber feet stop the speaker sliding around on the top plate. Why bother with spikes and cones at all? Because it sounds better. Only in sighted evaluations. Same as if you've got floorstanders that can be filled with sand - if you bother filling them with sand then they'll sound better. Tighter bass for one thing. Nahh - when you fill a speaker with sand you change the panel resonances as well. |
Speaker Stands: with or without spikes?
"Arny Krueger" The cone works against a relatively large mass - the speaker and its enclosure. ** The mass ratio of a whole speaker box to the woofer cone is around 500: 1, or more. The conservation of momentum principle ( Newton's "every action causes an equal and opposite re-action" ) requires that the momentum of the moving cone and whole box remain equal and opposite. So, the box moves about 0.2% of the cone's movement in the opposite direction. Typical woofers move at most 6mm forward and back when producing the lowest bass frequencies. The box, in compliance with Newton, then moves 12 um back and forward. 12 um = 0.5 thou = one quarter the thickness of a page in the phone book. Why bother with spikes and cones at all? Because it sounds better. Only in sighted evaluations. ** Of course. Who wants to eat in a completely dark restaurant ?? ........ Phil |
Speaker Stands: with or without spikes?
Phil Allison wrote:
"Arny Krueger" The cone works against a relatively large mass - the speaker and its enclosure. ** The mass ratio of a whole speaker box to the woofer cone is around 500: 1, or more. The conservation of momentum principle ( Newton's "every action causes an equal and opposite re-action" ) requires that the momentum of the moving cone and whole box remain equal and opposite. So, the box moves about 0.2% of the cone's movement in the opposite direction. Typical woofers move at most 6mm forward and back when producing the lowest bass frequencies. The box, in compliance with Newton, then moves 12 um back and forward. 12 um = 0.5 thou = one quarter the thickness of a page in the phone book. Why bother with spikes and cones at all? Because it sounds better. Only in sighted evaluations. ** Of course. IME it doesn't always work like that. My Dynaudio 1.1s sit on some stands with a smallish top plate. After an hour of fairly spirited listening, they'd moved about 4cm forward. I'd usually use blutack for that reason - it's all in the movement of air. Rob |
Speaker Stands: with or without spikes?
"Rob" Phil Allison wrote: "Arny Krueger" The cone works against a relatively large mass - the speaker and its enclosure. ** The mass ratio of a whole speaker box to the woofer cone is around 500: 1, or more. The conservation of momentum principle ( Newton's "every action causes an equal and opposite re-action" ) requires that the momentum of the moving cone and whole box remain equal and opposite. So, the box moves about 0.2% of the cone's movement in the opposite direction. Typical woofers move at most 6mm forward and back when producing the lowest bass frequencies. The box, in compliance with Newton, then moves 12 um back and forward. 12 um = 0.5 thou = one quarter the thickness of a page in the phone book. Why bother with spikes and cones at all? Because it sounds better. Only in sighted evaluations. ** Of course. IME it doesn't always work like that. ** Long as the box is not bolted down - it IS how the box reacts to the woofer. Newton is not to be messed with. My Dynaudio 1.1s sit on some stands with a smallish top plate. After an hour of fairly spirited listening, they'd moved about 4cm forward. ** Bet your floor is vibrating in sympathy with SPL at low frequencies. Then the speaker stand vibrates - cos it is supported by it. Then, the un-secured box drifts forward. I'd usually use blutack for that reason - it's all in the movement of air. ** Low frequency sound pressure waves shake the whole room - floor, ceilings, windows, cupboard doors - every damn thing. And by exactly the same amount even of the speaker boxes were hung on long coil springs from the roof. ....... Phil |
Speaker Stands: with or without spikes?
Phil Allison wrote:
"Rob" Phil Allison wrote: "Arny Krueger" The cone works against a relatively large mass - the speaker and its enclosure. ** The mass ratio of a whole speaker box to the woofer cone is around 500: 1, or more. The conservation of momentum principle ( Newton's "every action causes an equal and opposite re-action" ) requires that the momentum of the moving cone and whole box remain equal and opposite. So, the box moves about 0.2% of the cone's movement in the opposite direction. Typical woofers move at most 6mm forward and back when producing the lowest bass frequencies. The box, in compliance with Newton, then moves 12 um back and forward. 12 um = 0.5 thou = one quarter the thickness of a page in the phone book. Why bother with spikes and cones at all? Because it sounds better. Only in sighted evaluations. ** Of course. IME it doesn't always work like that. ** Long as the box is not bolted down - it IS how the box reacts to the woofer. Newton is not to be messed with. Not by me, certainly - but Einstein had a thing or two to say :-) My Dynaudio 1.1s sit on some stands with a smallish top plate. After an hour of fairly spirited listening, they'd moved about 4cm forward. ** Bet your floor is vibrating in sympathy with SPL at low frequencies. Then the speaker stand vibrates - cos it is supported by it. Then, the un-secured box drifts forward. It is a suspended timber floor. I'd usually use blutack for that reason - it's all in the movement of air. ** Low frequency sound pressure waves shake the whole room - floor, ceilings, windows, cupboard doors - every damn thing. And by exactly the same amount even of the speaker boxes were hung on long coil springs from the roof. I thought it was more to do with air being pushed out of the rear reflex port and hence proximity to a wall. I don't know if it makes any difference to sound (I've never done an A-B), but the fact remains the speakers move about if I don't 'tack them down, and they'd eventually fall off the stands. Rob |
Speaker Stands: with or without spikes?
"Rob" Phil Allison ** Bet your floor is vibrating in sympathy with SPL at low frequencies. Then the speaker stand vibrates - cos it is supported by it. Then, the un-secured box drifts forward. It is a suspended timber floor. ** QED - end of story. I thought it was more to do with air being pushed out of the rear reflex port and hence proximity to a wall. ** Err - the air goes in and out, same air, over and over. I don't know if it makes any difference to sound (I've never done an A-B), but the fact remains the speakers move about if I don't 'tack them down, and they'd eventually fall off the stands. ** That must be very funny. Woof , woof, woof, woof ........ thump !! ......... Phil |
Speaker Stands: with or without spikes?
Rob wrote: Phil Allison wrote: "Arny Krueger" The cone works against a relatively large mass - the speaker and its enclosure. ** The mass ratio of a whole speaker box to the woofer cone is around 500: 1, or more. The conservation of momentum principle ( Newton's "every action causes an equal and opposite re-action" ) requires that the momentum of the moving cone and whole box remain equal and opposite. So, the box moves about 0.2% of the cone's movement in the opposite direction. Typical woofers move at most 6mm forward and back when producing the lowest bass frequencies. The box, in compliance with Newton, then moves 12 um back and forward. 12 um = 0.5 thou = one quarter the thickness of a page in the phone book. Why bother with spikes and cones at all? Because it sounds better. Only in sighted evaluations. ** Of course. IME it doesn't always work like that. My Dynaudio 1.1s sit on some stands with a smallish top plate. After an hour of fairly spirited listening, they'd moved about 4cm forward. I'd usually use blutack for that reason - it's all in the movement of air. Actually it's down to 'microvibrations'. Graham |
Speaker Stands: with or without spikes?
Phil Allison wrote: "Rob" I don't know if it makes any difference to sound (I've never done an A-B), but the fact remains the speakers move about if I don't 'tack them down, and they'd eventually fall off the stands. ** That must be very funny. Woof , woof, woof, woof ........ thump !! LMAO ! .............. thump !! Graham |
Speaker Stands: with or without spikes?
On Sat, 09 Sep 2006 09:10:18 +0100, Rob
wrote: I thought it was more to do with air being pushed out of the rear reflex port and hence proximity to a wall. It's sucked in precisely as much as it's blown up. Otherwise your speaker enclosures would either implode or blow up like a balloon. |
Speaker Stands: with or without spikes?
Laurence Payne wrote:
On Sat, 09 Sep 2006 09:10:18 +0100, Rob wrote: I thought it was more to do with air being pushed out of the rear reflex port and hence proximity to a wall. It's sucked in precisely as much as it's blown up. Otherwise your speaker enclosures would either implode or blow up like a balloon. Air blowing out of the port is more directional than air sucked in. The forces may be measurable but are too small to propel a cabinet. I have had a speaker without rubber feet slide down a shelf that wasn't perfectly level and jump off the edge. It may have been driven to suicide by the volume and the quality of the music. :-) -- Eiron No good deed ever goes unpunished. |
Speaker Stands: with or without spikes?
On Sat, 09 Sep 2006 11:14:24 +0100, Eiron wrote:
It's sucked in precisely as much as it's blown up. Otherwise your speaker enclosures would either implode or blow up like a balloon. Air blowing out of the port is more directional than air sucked in. Justify, please? The forces may be measurable but are too small to propel a cabinet. I have had a speaker without rubber feet slide down a shelf that wasn't perfectly level and jump off the edge. It may have been driven to suicide by the volume and the quality of the music. :-) Indeed. It's the shelf not being level that matters. |
Speaker Stands: with or without spikes?
Laurence Payne wrote:
On Sat, 09 Sep 2006 11:14:24 +0100, Eiron wrote: It's sucked in precisely as much as it's blown up. Otherwise your speaker enclosures would either implode or blow up like a balloon. Air blowing out of the port is more directional than air sucked in. Justify, please? Measure it yourself. Get a straw and blow through it. Feel the airflow or hold a strip of paper. You can see how directional it is. Then suck. -- Eiron No good deed ever goes unpunished. |
Speaker Stands: with or without spikes?
On Sat, 09 Sep 2006 11:32:14 +0100, Eiron wrote:
Measure it yourself. Get a straw and blow through it. Feel the airflow or hold a strip of paper. You can see how directional it is. Then suck. That's measuring the effect some distance from the orifice. Aren't we interested in the effect AT the orifice? Unless the wall is very close. |
Speaker Stands: with or without spikes?
"Eeyore" ** That must be very funny. Woof , woof, woof, woof ........ thump !! LMAO ! .............. thump !! ** So Graham Stevenson FINALLY falls off his OWN pedestal ?? Like Cocky falling off his perch ...... ....... Phil |
Speaker Stands: with or without spikes?
Phil Allison wrote: "Eeyore" ** That must be very funny. Woof , woof, woof, woof ........ thump !! LMAO ! .............. thump !! ** So Graham Stevenson FINALLY falls off his OWN pedestal ?? Like Cocky falling off his perch ...... You have no soul Phil ! :-( Keep at it though. Hey, I was working on a Neve 88R on Thursday. A very serious piece of kit. Graham |
Speaker Stands: with or without spikes?
"Phil Allison" wrote in message ... "Laurence Payne in the Arse ****wit " You mean if he does, you'll stop taking the **** out of him? ** I wrote what I meant to say . Shame how congenital ASD completely buggers "Laurence Payne in the Arse ****wit " having any comprehension. (When being pompous, it's also a very good idea to be completely accurate :-) ** Posturing PITA pommy ****s like "Laurence Payne in the Arse ****wit " are devoid of any points, as is a bowling ball. WC Fields said it all, long ago. ....... Phil How singularly uninspiring. It takes no more than a couple of posts in a thread before Philty Phil Allison loses the plot and breaks out in a flurry of autistic abuse. Why not try contributing something worthwhile for a change rather than carrying on like a demented 8 year old who still hasn't graduated from potty training? Hmmm... well I guess that's asking too much isn't it Philthy? |
Speaker Stands: with or without spikes?
"Alan Rutlidge" wrote in message ... "Phil Allison" wrote in message ... "Laurence Payne in the Arse ****wit " You mean if he does, you'll stop taking the **** out of him? ** I wrote what I meant to say . Shame how congenital ASD completely buggers "Laurence Payne in the Arse ****wit " having any comprehension. (When being pompous, it's also a very good idea to be completely accurate :-) ** Posturing PITA pommy ****s like "Laurence Payne in the Arse ****wit " are devoid of any points, as is a bowling ball. WC Fields said it all, long ago. ....... Phil How singularly uninspiring. It takes no more than a couple of posts in a thread before Philty Phil Allison loses the plot and breaks out in a flurry of autistic abuse. Why not try contributing something worthwhile for a change rather than carrying on like a demented 8 year old who still hasn't graduated from potty training? Hmmm... well I guess that's asking too much isn't it Philthy? First Rule for Psychology students going on field trips to psychiatric hospitals - 'Don't try and reason with the loonies'....!! |
Speaker Stands: with or without spikes?
"Rob" wrote in message
Phil Allison wrote: "Arny Krueger" The cone works against a relatively large mass - the speaker and its enclosure. ** The mass ratio of a whole speaker box to the woofer cone is around 500: 1, or more. The conservation of momentum principle ( Newton's "every action causes an equal and opposite re-action" ) requires that the momentum of the moving cone and whole box remain equal and opposite. So, the box moves about 0.2% of the cone's movement in the opposite direction. Typical woofers move at most 6mm forward and back when producing the lowest bass frequencies. The box, in compliance with Newton, then moves 12 um back and forward. 12 um = 0.5 thou = one quarter the thickness of a page in the phone book. Why bother with spikes and cones at all? Because it sounds better. Only in sighted evaluations. ** Of course. IME it doesn't always work like that. My Dynaudio 1.1s sit on some stands with a smallish top plate. After an hour of fairly spirited listening, they'd moved about 4cm forward. I'd usually use blutack for that reason - it's all in the movement of air. I see no necessary conflict between Phil's estmate and your anecdote. The intresting thing is that there is that much asymmetry in the sticktion of the speaker interface with the stands. Blutack seems like a worthy solution, particularly if you use one the similar generic products sold at office supply stores. |
Speaker Stands: with or without spikes?
"Eiron" wrote in message
Air blowing out of the port is more directional than air sucked in. Not necessarily. In fact, making a port so that it is symmetrical in this regard could be a worthy goal. More worthwhile is just plain keeping the velocity down. The forces may be measurable but are too small to propel a cabinet. Not necessarily. |
Speaker Stands: with or without spikes?
Arny Krueger wrote: "Eiron" wrote in message Air blowing out of the port is more directional than air sucked in. Not necessarily. In fact, making a port so that it is symmetrical in this regard could be a worthy goal. More worthwhile is just plain keeping the velocity down. The forces may be measurable but are too small to propel a cabinet. Not necessarily. I've done some fun things with the mouth of an EV Sentry IV bass horn ! Graham |
Speaker Stands: with or without spikes?
Arny Krueger wrote:
I see no necessary conflict between Phil's estmate and your anecdote. The intresting thing is that there is that much asymmetry in the sticktion of the speaker interface with the stands. Blutack seems like a worthy solution, particularly if you use one the similar generic products sold at office supply stores. I'll vouch for that - I Blutacked my speakers down onto the stands 10 months ago. Haven't touched them since, and there is no looseness or sign of migration. Pulling the speaker forward takes the sand-filled stand (about 15kg) with it. Rock solid. -- Wally www.wally.myby.co.uk I eat my peas with honey, I've done it all my life. It makes the peas taste funny, but it keeps them on the knife. (Spike Milligan) |
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