Can anyone recommend a source for speaker spikes for Carver ALS-III
speakers?? I know nothing about spikes and don't know if size and
placement one the bottom of the speakers matter or not. Any
info/opinion is appreciated. Also, these are going on carpeting with a
rather thick pile (if that's the correct term).

Thank You,

Chuck Pearson

"??" wrote

Can anyone recommend a source for speaker spikes
for Carver ALS-III speakers?? I know nothing about
spikes and don't know if size and placement one the
bottom of the speakers matter or not. Any info/opinion
is appreciated. Also, these are going on carpeting with a
rather thick pile (if that's the correct term).

Check out:
www.amusicdirect.com
www.audioadvisor.com
http://www.audioc.com/accessories/ac...m#ACI%20offers
www.audioc.com/accessories/MountsSpikes.htm
http://www.madisound.com/accessories.html


Good speaker points firmly attached to the speaker
bottom and completely coupled to the underfloor will
reduce audible cabinet residence at medium to high
SPLs. IME the best ones are all metal, avoid
metal/plastic designs. In your case you have a
special problem in employing these devices. Based
on tests I've conducted it is unlikely that commercial
grade spikes will work in your situation. If you have
very high quality carpet, spikes just won't penetrate
the carpet/pad substrate. The tightly woven jute
backing and under pad are the problem. The conical
shape of spikes simply will not couple to the
sub-floor... and I mean tightly. While it might appear
(feel) to you that your spikes are firmly in they are still
supported by the carper/pad. Sound pressure
measurements and auditioning indicate - no
improvement. Perhaps if you could devise a thin
concave needle shape hone to a screw/bolt that
might work... if you are handy.

"Powell" wrote in message
...

"??" wrote

Can anyone recommend a source for speaker spikes
for Carver ALS-III speakers?? I know nothing about
spikes and don't know if size and placement one the
bottom of the speakers matter or not. Any info/opinion
is appreciated. Also, these are going on carpeting with a
rather thick pile (if that's the correct term).

Check out:
www.amusicdirect.com
www.audioadvisor.com
http://www.audioc.com/accessories/ac...m#ACI%20offers
www.audioc.com/accessories/MountsSpikes.htm
http://www.madisound.com/accessories.html


Good speaker points firmly attached to the speaker
bottom and completely coupled to the underfloor will
reduce audible cabinet residence

I'm going to assume you mean resonance. Audible cabinet resonance is a sign
that your speakers are very cheaply made. Spikes won't help this problem
AFAIK.

at medium to high
SPLs. IME the best ones are all metal, avoid
metal/plastic designs. In your case you have a
special problem in employing these devices. Based
on tests I've conducted it is unlikely that commercial
grade spikes will work in your situation. If you have
very high quality carpet, spikes just won't penetrate
the carpet/pad substrate. The tightly woven jute
backing and under pad are the problem. The conical
shape of spikes simply will not couple to the
sub-floor... and I mean tightly. While it might appear
(feel) to you that your spikes are firmly in they are still
supported by the carper/pad. Sound pressure
measurements and auditioning indicate - no
improvement. Perhaps if you could devise a thin
concave needle shape hone to a screw/bolt that
might work... if you are handy.

"Michael McKelvy" wrote

Good speaker points firmly attached to the speaker
bottom and completely coupled to the underfloor will
reduce audible cabinet residence

I'm going to assume you mean resonance. Audible
cabinet resonance is a sign that your speakers are
very cheaply made. Spikes won't help this problem
AFAIK.

Do you have any empirical experiences with spikes?

Oct, 2000 , TAS - What's Wrong With Speakers
by R.E. Greene

"But as soon as a speaker gets an input signal, it
starts doing things it shouldn't and starts making
noise, not just the music it should be making. Cones
and surrounds flexing, mechanical structures
vibrating, cabinets flexing in unpredicted and
unpredictable ways, air flowing turbulently,
electrostatic diaphragms vibrating chaotically
on the scale of small areas even if they are moving
regularly on a large scale, such sources of noise
are everywhere.

How much noise are we talking about here?
A lot, a whole lot by the standards of noise
levels in electronics and recording systems.
Speaker noise appears only 20 to 30 dB down
from signal in some cases, and even the
cleanest speakers I know do not get the noise
down much more than 55 dB or so."