Which of these power cords ?


I'm looking to upgrade my sound with upgraded power cords. Given I've got a tube preamp, 2 mono block tube amps, Aurender DAC and 2 Martin Logan speakers - we're talking up to 7 power cords so I'd like to keep the total cost for all of them to $1000ish. 

And some suggest going with one brand, to get the biggest benefit.

Brands on short list include:
Suggestions?

cdc2
For anyone interested in an explanation regarding why power cables make an audible difference, please read https://www.gcaudio.com/tips-tricks/why-power-cables-make-a-difference. Granted, the source of the information is from the founder of Shunyata Research (which is a manufacturer of power cables) so it should be taken with a grain (shaker?) of salt. However, the logic is sound and I have heard the difference myself. I too was once skeptical, but I am not anymore.

The derisive argument often given (see the earlier post by chinook9) is that since the electricity has already traveled 500 miles through all sorts of nasty wire, replacing the last 3 feet with something better cannot possible fix the damage already done. The flaw in that argument is that from the AMPLIFIER's perspective the power cord is the FIRST 3 feet, not the LAST. The alternating current does not flow (like water) from the power company into your amplifier. It oscillates with the current entering and leaving your amplifier via the power cord. The power cord is basically an EXTENSION of the amplifier's transformer which can eliminate EMI/RFI before it enters the amplifier's transformer.
  this is why you can't really ask this kind of question     you get a answer like      Pangea
  Audio Advisor  hero
You buy that cable for the pulling of a car out of a snow pile only   
After installing the GroverHuffman Pharoah A/C cables in my CD transport, DAC, pre-amp and amps, digital often (7000 CDs) sound as good or better than analog, of the same recording (28,000 LPs).  As a beta tester and previously using GroverHuffman Empress A/C cables (less than SOTA resolution, frequency extension and open sounding but very nice, balanced sounding), I have found the Pharoah cables superior to many $3000-$15,000 A/C "SOTA" marketed cables by companies such as High Fidelity, Transparent, Kimber, Audiosource, etc.  at a cost of less than $1000.  Head to head, the Pharoah is preferred (at audio shows where the dealer's are anxious to keep the cables in their systems for the show duration-however, as hand made cables, Mr. Huffman can only manufacture a limited number per day).  I agree with a prior post indicating that one should first upgrade their power outlet to see if their system can reveal the benefit of a more costly A/C cable.
Chinook91 you are absolutely correct in your skepticism.  The typical in house wiring, in the US, is a 15 amp circuit with 14 gauge wire and could easily run 50 feet or more.  This terminates at a circuit box and a breaker on one end and an outlet at the other end.  All of this will have much more impedance, discontinuities, etc, than the last few feet of cable.  If it is worth spending thousands of dollars for the last 3 to 6 feet, then it must make sense to spend $100K or more for the wiring from the power company connection to the outlets these cables are plugging into.  This is just a really good way for cable companies to make a ton of money from people that don't understand physics.

That said, the placebo effect is proven to be real, so I'm sure people that spend $5K on a PC can hear the difference.