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In Reply to: RE: Acoustic Revive REM8 EMF posted by satfrat on April 01, 2008 at 01:05:20
Audio Magic Pulse Gen ZX ... looks like a similar product but only $400/unit
Here's the review from the Positive Feedback ... scroll to the bottom ... it's the last component reviewed in that article.
They explain it's operation better than I can
http://www.positive-feedback.com/Issue34/noise.htm
Reviewed by AA member
http://www.audioasylum.com/audio/tweaks/messages/14/148661.html
With all the RFI buzzing around the inside of your computer based set up ... I'll bet this may provide a nice improvement.
I'm looking to pick up two unit soon, one for my CD player and the other for my Exact Power EP15 which I suspect has quite a bit of RFI floating around the interior due to the digital regenerating properties
Sorry no hands on experience with the product ...do to a period of severe financial under achievement lately, I've only been able to make a few small purchases lately (AVM paint from Norm)
Hopefully by June things will change and I can aquire two units.
HTH Dave
Follow Ups:
As a followup, I have a Pulse Gen ZX that I installed in my HTPC computer today. From what I'm experiencing I'm guessing this is just another Quantum resonator like the Symphony Pro,,,just smaller & less powerful as it needn't do a whole room, just the inside of a component. For the month of april Audio Magic has a special price of $300. I'm a little surprised that it has the impact that it's having on my music considering I use an USB transport so all the converting is going on outside the range of the Pulse Gen ZX but yet my sound has defintely benefited with a heightened clarity of the full frequency range from pristine highs to a thumper bass.It hasn't even been 12 hours yet so my system still needs to settle down but it did take a good hour or 2 for this to take hold in my system, which is very weak compared to my Symphony Pro which is practically instantaneous. But the results are very much alike and that's a good thing.:)
Cheers,
Robin
Audio Magic Pulse Gen ZX, from what I read, injects something into the A/C current of the power supply as it's connected directly into the power wires of the equipment (see those wires in the picture). So in a way, it's similar to that the QRT Symphony Pro in the way it works. It is thus an active tweak, acting directly on your power supply.
On the other hand, Acoustic Revive REM-8 has no direct contact with your power current, ie it does not inject anything into the A/C current as it has no wire to connect to your power supply to the equipment. It works at a short distance away from the transformer of your equipment. Thus you can place it on top of the chassis or below the equipment without even touching. In this sense it's like the RR-77, a passive tweak, not directly acting on the power supply.
Hope you see the distinct difference ;-)
I'm only quoting from Pos/Feed article who got their info from Audio Magic ... the article reads
"The need for AC connection is to provide the Pulse Gen ZX with juice to generate a field that is supposed to neutralize any RFI/EMI being generated inside the component." POSITIVE FEEDBACK ISSUE 34
This is what interested me ... "neutralize any RFI/EMI being generated inside the component." ... nipping the problem in the bud, before it has a chance to add to the noise floor
I'm sure my Exact Power EP15 and CD source broadcast plenty of RFI and the Pulse Gen looks like it's been designed to attack the internal RFI/EMI problem at the source.
I agree the Pulse Gen and the REM8 are very different ... the Pulse Gen acts like a sponge soaking up the spurious RFI/EMI generated on the inside of the component and the REM8 is the external defense for stray transformer fields exiting your component and polluting the rest of your system.
So I guess we need both products to fix both problems ... at least we won't need two more power cords to make things work
GULP GULP
ATB Dave
to suck up the same current in parallel to power itself, shouldn't that current being supplied to the actual equipment be more or less affected? Call it a kind of parasitic effect if you want ;-)
The P/Gen doesn't look like it draws many amps and I'm sure Audio Magic took that into consideration when they were designing the "little sucker"
If it is parasitic ... it's probably Symbiotic in nature, where both "suckers" win (;-)
Still can't deny the fact that there are two problems needing two solution
Rgds Dave
I hadn't seen this article Dave,,, thanks for pointing that out. The Pulse generator definitely looks like something I'd like inside my computer. Regardless of where it's getting it's power, that has nothing to do with it's purpose. You could run an AC cord to an outlet if you wanted to. The IEC attachments is simply for containing all the wiring inside a component, there's no other purpose for it. I wonder if this isn't just another quantum generator like the Symphony Pro which I happen to like a lot. But it's nothing I'd want inside my BPT, there just isn't the room for it because of all the mods that's been done inside that box. An REM-8 would be much preferred there.
It's all food for thought and I'm a hungry SOB. LMAO
Cheers,
Robin
Hi Robin ... P/Gen would probably not bring any significant improvements to the BPT as the BPT doesn't generate a lot of RFI like my Exact Power does in it's regenerating mode.
REM8 would probably be best for the BPT ... as it would help control the stray fields leaving that big (70 pound) balanced tranny in the BPT and reduce the stray EMI from invading your other equipment.
The Pulse Gen could be a significant improvement to your computer base rig ... you are surely generating plenty of RFI inside that computer and if the P/Gen works as advertised (and I'm sure it does)it will address a problem I don't think anything else is treating now ... the soaking up and dissapating of internally generated RFI from our components before it can renter the system.
Closest thing I can think of would be a passive type of shield like the ERS you use, or some of that Texas Ins. or MuMetal stuff, but they require grounding schemes and can be tricky to get just right.
Happy Trails, Dave
Gretchen Wilson ... "All Jacked Up" (;-)
if you can find where the output transformers are and then place one over or under them. I use the above CSE RK-100 power regenerator from Japan. As you can see from the picture, there are 2 output transformers each leading to an outlet that powers my CD transport on one side and the other, the DAC. I just placed the REM-8 on top of the chasis where the transformers are and the effect is a much quieter background, hence more resolution and more refinement to the music. Below each transformer, I furthermore stick 1 piece of QR-8 ;-)
I can only imagine what this would sound like were you to paint the transformers with AVM. Additionally, in my experience painting the IEC chassis mount and the wires to the transformers.
Actually I've heard Ti-Shield is a much better material for making transformer shields. Ti-Shield has a large bandwidth coverage than Mu-Metal and you're able to cut & shape the stuff and run a ground connection from it. But you're right, it's a hassle to mess with but a whole lot cheaper than these expensive bandaids.
Bottomline, it's results that count and the only way to find themout is to try them. down the road I may try doing Ti-Shield covers for my main stream components but for now, I want to try out the Acoustic Revive products along with the Pulse Generator for my HTPC.
Cheers,
Robin
Greg Brown: The Evening Call (2006)
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