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Multi-Way Conventional loudspeakers with crossovers

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Old 24th October 2009, 09:57 PM   #7221
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Only if it exists.
Even if it exist, I believe you will need something better than a scope to see it.
 
Old 24th October 2009, 09:59 PM   #7222
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Please justify. That makes no sense.
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Old 24th October 2009, 10:08 PM   #7223
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Only if it exists.
I did not know that you could see electrons in a CRT of a oscilloscope.
 
Old 24th October 2009, 10:08 PM   #7224
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electron movement is controlled by the EM field, not electrons pushing each other
Sorta the same thing. If you apply an external electric field across a conductor the electrons get pushed together to create an internal field that is equal and opposite so there is no net field in the conductor. When the field is taken away, the electrons which are still creating a field get pushed apart by that field until there is no net field in the conductor.
In antenae theory the antenae always re-radiates half the power it absorbs because the current induced in the conductor causes its own EM field to be radited back out. The field and the electrons are intertwined.
 
Old 24th October 2009, 10:50 PM   #7225
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Hi,

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Originally Posted by Andre Visser View Post
I haven't really tested solid vs stranded cable, I can however say my favourite cable at this stage happen to be solid core silver. I've also compared a good multistrand power cable with a solid core on my CD player, the solid core stayed because of a better focussed soundstage.
While I understand that solid core isn't the most convenient conductor, your observation on the difference in sound is correlating with mine and other people's observations.

Let's be clear on one point though, multi-strand to me means a bunch of non-insulated conductors put in an insulating sheeth.

Multi-stranded multiples of single individually insulated solid core wires do not sound the same as single solid core runs.

If I were asked to describe the difference, I'd say better focus, more cohesiveness and a cleaner, clearer rendition of the sound.

This, regardless of whether we're talking powercords, IC's or LS cables, the effect remains consistant.

The argument that studio recording venues are using hundredth's of feet of muti-strand is besides the point.
The studio recordings I consider accurate are really scarce...Maybe they measure more than they actually listen but mostly I'm afraid it's just about making $s........

Cheers,
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Last edited by fdegrove; 24th October 2009 at 11:10 PM. Reason: Spelling
 
Old 24th October 2009, 10:53 PM   #7226
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Actually a full hose is a good analogy if the hose loops around back into the pump to make a closed cicuit. The water is the free electrons the pressure is the voltage. When you turn on the pump (voltage source) it causes a pressure wave (EM wave) to travel down the hose which moves the water (electrons). The pressure wave travels a lot faster than the water. EM waves travel a lot faster (10^9 m/sec), than the electrons (cm/sec) that give us current.
Confused. . .

Moving the original force looks like a lot of work!
Thank goodness that copper is a reasonable conductor and, even in solid form, it can make copies of a force, quickly to the opposite end. This is neither hydraulic nor a current unless the copper is operated at or above 1084 degrees Celsius. Perhaps the analogy could use a solenoid shaker instead of a rotary pump?
 
Old 24th October 2009, 11:07 PM   #7227
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. . .
Let's be clear on one point though, multi-strand to me means a bunch of non-insulated conductors put in an insulating sheeth.
. . .
OH! Where can I buy this?
I'm having no luck finding any for purchase. The available stranded cable, that I can find, has the fibers all with clear varnish/enamel/lacquer corrosion protection that its quite difficult to remove.
 
Old 24th October 2009, 11:15 PM   #7228
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Hi,

They're as common as muck but they're definietely NOT the type of conductor I'd recommend for anything audio.

Cheers,
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Old 24th October 2009, 11:51 PM   #7229
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Hi,

They're as common as muck but they're definietely NOT the type of conductor I'd recommend for anything audio.

Cheers,
In the immortal words of Daniel von Recklinghausen, "if it measures good and sounds bad, it is bad. If it measures bad and sounds good, you've measured the wrong things."
 
Old 24th October 2009, 11:56 PM   #7230
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Please justify. That makes no sense.
Come on SY, does your scope show a trace for each electron coming in from the probe?
 

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