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James

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so, I was looking through google news this morning and i saw and advert for a device that I thought was
TOO GOOD TO BE TRUE

interesting that the device shown in the independant news footage is not the same as the little plug in unit that they are selling.

Now I was under the impression that domestic meters in the uk measure in Kwh not in Kva and therefore don't penalise us for having a poor power factor.

the advert from google actually states that it can reduce your bill by up to 90% and it states that it is an independant review site.
when you go to the sales site, this estimate drops considerably to 20 to 30%

have a look and discuss.
but in my opinion, unless you are going to do an independent evaluation of the device, I would not rush out and buy one!!
"review"

Voltex

See Why Power Companies Are Scared Over This Breakthrough Device That Cuts Your Power Bill By Up To 90%
getvoltex.com getvoltex.com

Sales site

Voltex

Stop Wasting Money on Dirty, Unstable Electricity. Stabilize Your Current, Remove Dirty Electricity, Slash Your Power Bill Today!
getvoltex.com getvoltex.com
 
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Moley said:
I hope thats the oxygen free copper cable?
Click to expand...
To be fair, pretty much all high conductivity copper for electrical purposes is low, or "oxygen free".

Oxygen is injected into the smelting process for copper as it oxidises the impurities to remove them. If the copper is targeted for electrical use/grade then the final part of the process in copper production is to remove the oxygen content, this isn't needed for some copper grades.

If a manufacturer states its oxygen free - it implies they don't use the correct grade of copper normally!!!!

[ElectriciansForums.net] Interesting advertising
 
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Julie. said:
To be fair, pretty much all high conductivity copper for electrical purposes is low, or "oxygen free".
Click to expand...
Just in case you thought I was being serious, I wasn't. I just get fed up of hearing hifi 'experts' insisting that they can hear the difference between stupidly expensive 'oxygen free' cables fitted with gold plugs and standard cable.
 
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Moley said:
Just in case you thought I was being serious, I wasn't. I just get fed up of hearing hifi 'experts' insisting that they can hear the difference between stupidly expensive 'oxygen free' cables fitted with gold plugs and standard cable.
Click to expand...
Nah, I agree with you, stupidly expensive for at best 1-2% reduction in resistivity and absolutely no difference in sound quality !

Just saying there is such a thing as low/O2 free copper, which is not worth it, whilst the "saver" the OP highlighted is something between completely dishonest to damn right dangerous.
 
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littlespark said:
Isn’t that just adding a diode?
speakers are dc, right??
Click to expand...

Speakers are fed with AC. Feed large amounts of DC to the voice coil of a speaker and it will overheat and fail.

That's why a lot of speakers are destroyed by under-powered amplifiers. The ampmidiers reach their amplitude limits and clip, which basically means it feeds DC to the speakers.

And directional speaker cable - don't get me started!!
 
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DPG said:
Speakers are fed with AC. Feed large amounts of DC to the voice coil of a speaker and it will overheat and fail.

That's why a lot of speakers are destroyed by under-powered amplifiers. The ampmidiers reach their amplitude limits and clip, which basically means it feeds DC to the speakers.

And directional speaker cable - don't get me started!!
Click to expand...
well i stand corrected.

I just remember the red and black plugs on the back of a hifi system and thought it was dc.. .a pos and a neg, but the electricity was in the form of a waveform to create soundwaves.

A waveform in reference to 0v...

so how do you hear a minus sound???
 
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littlespark said:
well i stand corrected.

I just remember the red and black plugs on the back of a hifi system and thought it was dc.. .a pos and a neg, but the electricity was in the form of a waveform to create soundwaves.

A waveform in reference to 0v...

so how do you hear a minus sound???
Click to expand...

Red and black needed to indicate polarity. Otherwise left and right would be in anti-phase. This results in most of the bass notes cancelling out.
 
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littlespark said:
so how do you hear a minus sound???
Click to expand...

If a speaker system is out of phase alignment it's usually a lot quieter than you'd expect it to be, just most people don't know what's causing it.

Even more confusing if your bass and mid/tops are out of time alignment. The bass can be shaking the building to pieces and you can feel the bass, but it can hardly be heard.

DPG said:
Red and black needed to indicate polarity. Otherwise left and right would be in anti-phase. This results in most of the bass notes cancelling out.
Click to expand...

With low audio frequencies the waves are so large the sub of an in phase system will have peaks and troughs depending on where in a room you stand. I prefer to have single point subs to avoid this
 
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I can recommend that anybody who fancies some serious head-shaking and jaw-dropping go and look at the stuff that Russ Andrews sells.

Warning - do not eat or drink as the same time as perusing his website.
 
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Soi disant said:
I can recommend that anybody who fancies some serious head-shaking and jaw-dropping go and look at the stuff that Russ Andrews sells.

Warning - do not eat or drink as the same time as perusing his website.
Click to expand...

Ah yes, Russ Andrews and his special mains cables and plugs.

Mind you, Russ is a mere amateur compared to Peter and May Belt. Check out PWB electronics!
 
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