The Truth About Power Cords and there "Real" Price to Performance


This is a journey through real life experiences from you to everyone that cares to educate themselves. I must admit that I was not a believer in power cords and how they affect sound in your system. I from the camp that believed that the speaker provided 75% of the sound signature then your source then components but never the power cord. Until that magic day I along with another highly acclaimed AudioGoner who I will keep anatomist ran through a few cables in quite a few different systems and was "WOWED" at what I heard. That being said cable I know that I am not the only believer and that is why there are so many power cord/cable companies out there that range from $50 to 20-30 thousand dollars and above. So I like most of you have to scratch my head and ask where do I begin what brand and product and what should i really pay for it?

The purpose of this discussion to get some honest feed back on Price to Performance from you the end user to us here in the community.

Please fire away!


 


128x128blumartini
NO,
That is not what it means at all. Poor power factor does not indicate that power was wasted. It simply means that Voltage and Current are not in phase. The only thing "wasted" is generation capability and distribution capability, and a bit higher resistive losses due to higher peak currents and hence higher RMS currents for a given power delivery resulting in higher losses in the distribution system (i.e. wires).



delkal59 posts12-16-2019 3:50pm
280% THD? That’s a lot of THD! 😩

Yes......that is why 70% of the AC power you put in is wasted by the AC/DC converter. But that does not mean you will have 280% distortion in your audio signal. The 33% converted into clean DC power that makes it out is what is used in the audio circuit.

audiozen:

Power Cord magic believers will scoff at science because all that matters is what their ears tell them.  Not what they hear, but what their ears tell them.  They purchase a $1000.00 power cord; get behind their "stack" and replace the cord.  Takes about 15 minutes.  Then they listen and Holy Jesus!!!  It is jaw droppingly better....absolutely game changing.  You hear this over and over! 

Two things.  Any actual difference the new PC could/would make will be subtle.  Any reasonable audiophile knows that's true.  Second, audio memory is extremely perishable.  In the 15 min it took to change the PC, your cranial encased audio processing/memory will be unable to recall an accurate audio reference for comparison with the new PC's performance.  Instantaneous switching back and forth (while not knowing which is which) is the only way to compare subtle differences.  And doing that (A/B switching) to test a power cord is nearly impossible for a home audiophile.

A recording engineer I know did, however, set up a blind A/B test pitting a $1.50 Benchmark power cord (that they recommend) vs a $3000.00 IEC cord in his studio.  He used two Benchmark DAC 2s set up so that a single button push would switch between the two.  The listening group were professional audio engineers that worked in the building (including a Grammy winner).  None could tell any difference.  No one heard any fidelity change.

We all want to have our gear sound better, but if I ranked things that were likely to make any improvement, power cords would be pretty much on the bottom...right above Geoff's green pens.  Top three are almost always ranked as the quality of the recording, the acoustic environment and speakers.

I'll now push my keyboard away and stand by for clearthunk's veiled insults.



Dyna, Your example is only of value if your ears are no better than that of a recording engineer.