Tweek Geek Bybee Dark Matter Stealth V3


MSRP: $8,499.00
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Dark Matter Stealth Power Conditioner V3

After many years of testing, listening and researching, we have a new design, and a significantly improved power conditioner.

How did we achieve this?

Several improvements in materials, wire, and of course Jack Bybee's contributions with his latest devices. Our relationships with other manufacturers such as Steinmusic have allowed us to have unique internal components made especially for the V3. On top of that, by rethinking our design and eliminating all series filtering components from the hot and neutral AC paths has lowered inductance, resistance and capacitance. This increases transient response, and current capacity.  Bottom line, we found a parallel AC filtering method that was better than the Series filtering components and methods of the previous V2 Stealth. If you are familiar with the Bybee Stealth range of power conditioners, you simply must experience the new V3.


The New V3

The Bybee Power Purifier Stealth has been at the forefront of AC power conditioning & audio noise reduction for the last 35 years. Their products clean AC power like no other product on the market, and the results are clearly audible. 

The Dark Matter STEALTH V3 implements the finest wire, AC receptacles, and conventional AC filtering devices internally. We don't stop at conventional however. At the heart of the unconventional lies Jack Bybee's proprietary V2 technology, plus custom made devices from Steinmusic, Stillpoints and Dark Matter Technologies. No other manufacturer comes close to this technology, and effective noise reduction without using heavy (and current limiting) chokes and transformers.

All of this would mean nothing of course if our noise reduction  technology robbed the music of it's soul. This is the area where the Dark Matter Stealth V3 excels. To be able to lower the noise floor so much, and preserve the layering, ambience, dynamics and flow of the music is what makes the V3 power conditioner so unique. For the first time, your audio system will be able to perform to its full potential with the clean, and unrestricted power flowing to the individual components from the Dark Matter Stealth V3. 


  • Nonmagnetic Aluminum Chassis - No off the shelf stamped steel chassis here. The chassis of the Stealth is costom made of of thick, nonmagnetic aluminum with and even thicker faceplate. 
  • Surge Protection - First, a high quality circuit breaker with a rocker style switch. Second, a John Curl designed surge protection circuit that does not wear out, degrade sound quality, and resets itself after tripping.
  • Ground Filtration - We have incorporated a proprietary, low resistance filter on the ground. This significantly reduces the noise floor while keeping the resistance to ground low.
  • Conventional parallel AC filtering - Capacitive filtering works very well when high quality capacitors are used. We incorporate 2 levels of capacitive filtering using only the finest capacitors available. The first filter captures noise coming in, the second filters, one for each duplex receptacle, captures additional noise coming in, as well as reducing cross-contamination from components plugged in to the Stealth V3.
  • Unconventional Filtering - A key player here is the Bybee V2. This is Jack's latest technology. What was once only achievable with inline Bybee AC filters is now achievable with parallel, passive technology. The net benefit is an organic musical presentation whose transparency and energy draws one deeper into the music. In addition to Bybee V2's we have custom made products from Steinmusic and Dark Matter Technologies. Last, very judicious use of Stillpoints amazing ERS material provides additional passive filtration.
  • Furutech GTX- D NCF AC Receptacles - The Furutech NCF AC receptacles feature copper contacts, a new and very powerful clamping mechanism that can hold any power cord, and an exceptional sonic performance. All 4 duplex receptacles are GTX-D NCF Rhodiums.
  • Wire - We have improved over the Furutech DPS 4.1 wire with a high purity braided copper. Equivalent of 9awg, 12 solid core strands for the hot and neutral legs are braided in a noise cancelling geometry. Inside this hollow core braid is our latest Dark matter technology. This is maximum surface area exposure to the noise absorbing Dark Matter material. It creates a more open, pure and neutral sound than the DPS 4.1.

Professional Reviews

Positive Feedback Online June 2019 (V2 Stealth)

"Compared to the 100 year old knob and tube wiring of my previous home, the sound in the new room is smooth as a summer lake in the gloaming. Frankly, I expected the impact of either Stealth Purifier to be negligible, at best.

Turns out, I was way wrong. After playing the Gold Note IS-1000 connected straight into the socket for a month or so, I unplugged it, plugged in the original Stealth Purifier, and then plugged the IS-1000 into that. All of sudden, I immediately thought of Dave's review. I could say it differently, but probably not any more accurately: 

"Not sure what to say… don't really want to put any one off or offend anyone, but phucking shit… you got to be kidding me?! What the hell just happened? This unit is so far down the road in going deeper into the music with more color, life, energy, presence, separation, imaging, resolution, air, light, slam, dynamics, ambiance, extension, palpability, naturalness, involvement, neutrality… gee anything else left to add… I mean really, what the hell?"

Even using gear in a room that I've only listened to for a few months, the improvement made to the sound quality was immediately obvious. Changed? Transformed? I have no problem using either of those terms to describe the qualitative upgrade in sound made by adding the original Stealth Purifier to the system. "

 Sixmoons Blue Moon Award Winner (V2 Stealth)

blue-moon-award.gif"...Regardless of how exactly Bybee Purifiers really work, their effect proved unlike any other power-line product I have tried. Yes, they do appear to reduce some of that same fine layer of low-level haze which I think most audiophiles are familiar with but where these little buggers really impressed was the way dynamics especially of the micro variety come across so freely. The leading edges of notes and musical nuances are far better realized. Music flows more naturally and shows greater vibrancy. Dynamics open up but without upsetting tonal balance or highlighting other musical or sonic aspects." - Paul Candy, Sixmoons

Positive Feedback Online (V2 Stealth) 

"Not sure what to say… don't really want to put any one off or offend anyone, but phucking shit… you got to be kidding me?! What the hell just happened? This unit is so far down the road in going deeper into the music with more color, life, energy, presence, separation, imaging, resolution, air, light, slam, dynamics, ambiance, extension, palpability, naturalness, involvement, neutrality… gee anything else left to add… I mean really, what the hell?! This is a done deal. Forget it, here is the check." - January 2011 Review of the Bybee V2 Stealth Edition

Customer Reviews

 Its the magic, reference quality or lets just call it X, that Stealth and ARN (Active Room Neutralizer) have produced right off the bat …. if there is a short coming I haven’t discovered it,  and digital has disappeared from digital - SENSATIONAL! -LB, Singapore

 The Bybee Stealth Power Purifier resulted in extremely quiet background of the music. It significantly outperformed a similar priced conditioner by a major manufacturer. It would sound like a cliche, but it is equivalent to a whole system upgrade. Highly recommended! - MV, Chicago

 "The unit completed its settling in process and really woke up itself and the system about 48 hours ago.  Apparently the climate, temp and altitude changes of the rapid shipment, like others things I have (complex ribbon cables, electronics, etc…) necessitate the unit has some time to acclimate and warm back up. I am ECSTATIC and EXTREMELY IMPRESSED (!!!) by what this has done for my system. An audiophile friend and I were doing some listening yesterday and he and I both agree the difference is night and day from when we last heard the system a couple of months ago.  It is very complimentary with Elrod high-ribbon count power cables and interconnects and my system as a whole. It sounds like I made the switch to Tube amplification and pre-amp overnight with all the benefits and none of the side effects. This is without a doubt, THE BEST power conditioning solution I have ever used, bar none." - MW, South Carolina

"The Bybee is off the charts good. Immediately you notice that where there was silence before there is more! I really didn't think my amps were on and they aren't even plugged into it. I thought the Bybee was already the quietest I had ever heard. After a few days you're thinking where'd my speakers go? They completely disappeared. A few days after that you're sitting listening and you think'Shit' where'd my room go? It's much more than that and was incredible on my analog right out of the box. It took my digital awhile to come around but everything is amazing! "

 "I hate reviewing equipment. Something always haunts you down the road or someone's feelings get hurt or someone wants to argue. So I'm going out on a limb here to say," you must hear this thing!" It has given my system a whole new level of quiet. Phono is as quiet as digital and this with a tube phono stage. Imaging is dense, layered and the most stable I've ever heard. The soundstage is as big as it is recorded. This means large stages extend into your neighbors living room. The room disappears completely. The best conditioner I've heard, make that the best product I've heard in awhile. Remember this was in my system, in my home, and in my state if mind! YMMV but you owe it to yourself to check this out. Pricey yes but it improved almost everything. All Rocky Mountain exhibits should try this in the demo room. Killer product." - RM, Arizona  "In my nearly thirty years of having some sort of music system Ive had the privilege of using some very fine power conditioning devices. Only recently,with the purchase of the Bybee Wire purifier have I realized what my music truly sounds like.This is absolutely the BEST power conditioner on the market today. I've never heard such quietness and complete freedom from noise,grain, grit, hash and other powerline nasties. The music is set free to be enjoyed like never before. You simply must give it an audition. Once you hear what it can'll never want to give it up!" - DY, Kentucky   "I have never written an audio review before, ever, and I've been quasi-obsessed with this hobby for over a decade now. I just purchased the Bybee 2.0, have had it for 24 hours, and for the first time in my life I actually feel compelled to write a review. I recently put together a new two-channel system as a gift to myself, all McIntosh electronics with a pair of Sonus Faber speakers. I loved it but always thought something was missing which, inevitably, had my thinking "should I trade" this or that. As we all know, that's equivalent to financial suicide. The sound was great, but...veiled, not holographic, not amazing, just very good. With the Bybee, it is a TOTALLY new system. I cannot stress this enough - it is an entirely new experience, so dynamic, so controlled, so completely holographic that it is no longer like I am listening to speakers - I am listening to music. And it absolutely makes me love my prior purchases - because, apparently, this is what they should sound like. This is the best single product I have ever bought, bar none, and I cannot now imagine having any system without one of these. I did not "believe" in how absolutely critical quality power is to a system before. I am an absolute believer now. Anybody who has lovingly put together a system and thinks its good without a product of this calibre simply does not know what they are missing. Buy one and never look back." - JG   Bybee Vs. Shunyata "I purchased the Bybee Power Purifier v2.0 for my audio system which consists of Meridian 808.2, Lamm ML1.1 and Wilson Watt 7 with Shunyata AC and Harmonic Tech cables. I had been using the Shunyata Hydra 8 rev 1 for my AC conditioner and was very satisfied with the sound. Recently I had read about the Bybee Conditioner in an online review and decided that I would buy one to possibly replace the Hydra 8. 

After a few days of burn-in I took a listen to my system with the Bybee Conditioner installed (CD Player and both mono amps plugged into the conditioner). I was expecting some improvements, but on listening to very familiar music I was totally blown away by the improvement!

Compared the Hydra 8 rev 1 (I know this is brand-new Shunyata model out..) there is absolutely no comparison. The Bybee improved every aspect of my system, frequency extension both bass and high-end, transparency and clarity, soundstage dimension, micro and macro dynamics. This was without leaning out the sound or in any way that I can hear reduce the audio quality in anyway. I would definitely put it at least equal to major improvement in a major component (speaker, CD player or amp) and much more than any cable (AC/interconnect/speaker cable) upgrade. If I were to put a percent improvement in my system I would say 30% improvement in what I thought was already a pretty excellent sounding system before I added the Bybee. My wife who likes music but tolerates the audio hobby was also very surprised that all I had changed was the conditioner for the sound improvement.

I have had the Bybee in my system for 8 months now, and am still amazed at the improvement I got in my system. It has put my system so much closer to live music, have looked to upgrade anything in my system since." - RM

How To Buy

  • Order online - Simply choose the color, amperage and voltage and pay with Paypal or credit card.
  • Audition - Try the Stealth Power Purifier in your own audio system for up to 10 days. Contact us for details
  • Trade your existing power conditoner in - Fill out our Trade-In form and we will contact you with an offer for your existing power conditioner.