Tuesday, March 25, 2014

Simple Power Purifier with Your Freebies

Several people wrote to us saying they did not notice any difference on their systems with the free samples we sent. That’s not surprising because BlackDiscus devices do not work on every system and we know that.

However, do not discount or throw away our free samples just yet – here’s why.

You can make a simple Power Purifier using your free samples.

Now that we have our amazing new Power Purifier, we wanted to find a way to show you how great they sound. Unfortunately it's not possible to send free samples of Power Purifier, but we've found a way to make something simple that demonstrates what effect they can have.

What You Need


Wire cutters


Two BlackDiscus Samples
Short length of 3 core mains wire (say 8 inches)
IEC Plug and Socket (available from local electronic store)
Two washers, ideally copper (optional)


If you can wire up a plug, you're good.


Start by stripping the individual wires out of the mains cable.

Here are the parts laid out. As you can see, I've drilled two holes in the samples. I used a 4mm drill, but as long as the wire will fit through the hole it's not critical. I suggest that you drill two holes in one sample, then place the undrilled one face-to-face (ie the two rougher surfaces touching) and mark where the holes need to go on the second one.

Now thread the LIVE and NEUTRAL wires through one of the samples as shown below. Put one washer on each wire. Then put the second sample over the top with the two rough surfaces together.


And then you have something like this:

That's basically all. Put the IEC plug and socket on. Use some sticky tape to hold the two samples together and also hold the EARTH wire against the side of the sample as shown below.

Plug this into the back of your amplifier (or any other Audio or Video component) and enjoy. Allow 10 minutes for it to settle after turning on the power.


What the Mad Scientist finds with the Simple Purifier is that it produces beautiful treble extension and detail, similar to the real Power Purifier (but not as detailed). But that is about all. There is little enhancement below the high-mids (at least on our test systems).

With the full Power Purifier you get the same sort of enhancement throughout the frequency range, and it also produces thunderous and tuneful bass.

If the Simple Purifier works well for you, then it's very likely that the Power Purifier will work even better.


This is an excerpt from one of our customers’ email about this simple Power Purifier:

“…I'm generally pretty tweako-sceptic - it took a respected audio designer on one of the forums to convince me even to try making fancy power cables; I certainly wasn't going to spend silly money on them.

So I didn't pay much heed to reports of the MSA discs until a friend who used to design RF electronics for a living tried your freebies and told me to do the same. As noted, I found they made no difference wherever I tried them and I forgot about them until you suggested the "mains filter" config.

I still cannot believe the difference they make used in that way. OK, I was hoping for one of those perhaps/perhaps not, try-for-a-week-then-remove-to-see differences but the improvement I'm getting is very marked. If I'd obtained the same improvement from spending $ 1,500 or so on a new amplifier, I'd have been delighted…..”

So what are you waiting for? Try making one and hearing the difference yourself today.

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