Analysis Plus new PRO POWER OVAL MK II uses better than hospital grade plugs that have a Perma-Lock Terminals, Large, high spring-rate contacts, Glass filled high temperature nylon front housing, Polycarbonate rear housing, Stainless hardware mated to a true balance cable for lower common mode noise.  The 12 AWG gauge cable design has hot and cold leads that are symmetrical with a full shield around the hot and cold conductors to eliminated EMI/EMC.  The cable also has the lowest inductance on the market for the lowest noise voltage of any pro power cord.

Why You Need the Power Oval
When people design power cords they use massive cable to reduce the noise voltage on the cable. The noise voltage that occurs on the cable is related to L (inductance) and di/dt (the rate of change in the current). You can reduce L by using larger gauge wire but you don’t get much bang for your buck because it is a log function. What this means is that as you keep increasing the gauge of the wire you do not get much improvement for your effort. This is why you see people using very heavy and stiff wires in power cords. I have seen some power cords that are so big and stiff that the CD player connected to them is lifted off the ground.

What we have done at Analysis Plus is use computer simulation to optimize the design of a power distribution system. What we discovered is our patented hollow oval design provides a low L cable without having to use stiff and bulky cables. Our cables have a super low noise voltage to reduce the background noise to a minimum. This is extremely important during quiet passages, if you want to hear subtle details (this is very important for classical music fans and for other lovers of live music).

The other thing people don’t realize about low frequency noise is that the thin aluminum shield found on many power cords does nothing to reduce this problem. The best way to reduce low frequency noise on cables is to reduce loop area. From our computer simulation and measurements we found our patented hollow oval cables does a great job at this. We have the lowest noise voltage we have seen with our hollow oval design.

For higher frequencies our silver-plated copper braided shield does a great job. We used an open braid design that works much like the window on your microwave oven. You can see through the window but the radiation stays where it belongs.

Terminated with WattGate connectors, this power cable is engineered to deliver your audio/video components the clean power they deserve.


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Length (feet)
Add $17 per additional foot – extra charge of $32 for Schuko Plug



Featured Write-Up in The Tone King


Letter from Studio Owner.

Dear All,

I am letting all of you know what I found in recent tests of a fine, vintage,  microphone using different power cords to its power supply.  Although this test is not definitive, it probably has validity as I could hear distinct differences.
And I am convinced one would get the same results/differences in power cords going to an guitar amp.
I recently had my custom Telefunken Elam 251e microphone out for testing — a microphone done by Stephen Paul for a famous voiceover artist here in Chicago.  I bought the mic from the voiceover artist several years ago.
It is the finest single mic I have ever heard along with my pristine Neumann U-67.  Which is better I’m not sure.  They are slightly different in good ways.  If anything the 251 is slightly more accurate and the U-67 magical.
Anyway, I let the 251e warm up for over an hour and tried it with three different power cords to it’s power supply box.   I assumed there would be no difference as I had read that since there is not a lot of current going to the box and not a lot is being drawn by the mic, there should be no difference in power cords.
I have heard this argument before, such as with  my custom Quad 57 electrostatic speakers (which are powered) and found it not true.  The power cords used on the speakers, changed the sound of the speakers clearly.
However, I assumed in the case of the mic it would not matter what power cord I used.  I found this not true to my surprise.
1. Normal IEC universal power cord sounded worst with a slight thin and ragged sound.  Slight but there.  Like the mic needed repair or a new tube or fixing.  The mic lost a bit of its stunning sound on voice.
2. My standard audiophile power cord made by Analysis Plus.  Nothing too too fancy.  Pretty straight forward copper wire.   Very very good sound with no noticeable coloration.
3. A fancy expensive audiophile cord which tends to smooth things out a bit, which it did in the case of the mic.  It was quite flattering but some detail was lost.  In certain circumstances I’d use it as it sounded like a ribbon mic sound had been added to the mic.  But it was colored.
In short I found in my somewhat unscientific test that the power cord to the mic power supply matters.  I never knew this and assumed it did not.  It does and is a pretty easy addition to any mic power supply set up.
As a note I had a second person listen without my verbal input and they heard the same thing.  I know this is not scientific but it is enough for me to know the statement that power cords do not change the sound of a microphone is questionable at best.
This is just for info in case anyone has never done this test before, which I had not. As when it comes to sound I’d rather err in the direction of good sound I will carry good power cords to all my sessions.