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)