The Stack Smoothlan has made a nice difference in my system.
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+1 on Puron
Also:
Neodio B2 Isolation footers
Stack Audio Auva 100 speaker isolation footers
Stack Audio Evo equipment isolation footers
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Front Wall Corners and Rear Wall - Air-Gapped Cavity Rock with Rockwool Comfort Batt Porous Absorption Panels (Finished as Aesthetic panels for low frequency control
Side Wall, Ceiling - Broadband Porous Absorption Aesthetic Panels and Designed Diffusion slats
Decay Rate Control - 380ms
All DIY with the panel images printed onto the panel sheets
Subwoofer integration with DIRAC Live with Bass Control
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Townshend platforms for my speakers. Game changing. Remarkable difference.
A friend tried with his speakers – they already had Gaia footers – and that still convinced him to get the podiums.
It's not subtle. Hans did a video.
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I like the Purons; but the way they work is weird in my situation. If I already have a Puron plugged and then add a second Puron on the second dedicated line, then I do not like it - as I had stated in the Puron thread.
But I recently found, after a thunderstorm, that if I plug both the Purons within a few seconds, and let them be there for a few minutes AND THEN connect power conditioner, PC power and power up they entire system, then it is a NET positive improvement.
The Gaias (with carpet disks) on the speakers, Isoacoustics ISO-puck mini under all components (except the amp) and the AudioQuest cable risers are other tweaks that I like, which made a positive impact on the audio experience.
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I've had many over the years.
Being mostly a vinyl guy, I like a good tt mat and weight. (Not clamp)
Some brand of spring decoupling under components.
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Many but the Swiss Digital Fuse Box w/ graphene sluggo stands out.
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The only significant “tweak” (if you can call it that) that made a truly game changing improvement in my system is a wall shelf for my turntable, preferably mounted to the studs on an outside wall. Of course, this precludes turntables that are 40+ pounds.. You’re on your own with those behemoths 😆
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Don't use any. While I found that some make a slight difference, some improvements some not so, I can make a much bigger impact by using better parts in the components where I can get much bigger sound improvements in openness, air, dynamics, bass, mid and high frequency changes, depth & dimension.
Happy Listening.
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My number three favorite is the High Fidelity fluid solution. Though for what it does it’s way too expensive.
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Bigkidz I agree. But I like to use siltech of my plinius sa100, and my Norh nine speakers for internal wiring .Ok back to tweaks.
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springs under my speakers. WOW.
wall-mount for TT.
Upgrading cart.
Tubes vs SS
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Symposium Ultra platforms under
all my components
Hexmat Eclipse is my latest tweak
Cleared up my vinyl playback tremendously
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Forgot to mention in my earlier post
Stack Audio Serene Record Stabilizer
Les Davis Audio 33 1/3 Record Mat
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Carbide Base Audio footers.
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@mdalton I agree that a good sativa makes the music float. My best tweak has been a $48 jitter filter from Amazon. It made a huge improvement streaming from my PC.
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Some of the tweaks posted , Iam not familiar. But I am glad agoners are happy to share what tweaks works for their system.
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@zione. +1 on the smoothlan. Best $250 I have spent. Took it out for one hour, had to put it back in. 2nd best are the Magnarisers with with cyro treated jumpers on my Maggie 3.7's.
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Isolation springs under the subs and speakers
Electrical noise control in my streaming system
I could never afford the expensive tweeks so I tried the cheap versions and they worked.
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- ADD-POWR SORCER-increases dynamic contrasts
- Samsung Evo SSD’s
- Fidelium speaker cable, eliminated “smear” that I didn’t know I had. Fidelium IC’s, no difference over XLR or Cerious Lumniscate IC’s.
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No tweaks are my favorite...
They are all needed and all worked in their own working dimensions and cannot be replaced by another tweaks from another working dimensions...
Grounding is the most underestimated after acoustics...
Panels are not enough in my experience of room acoustics...
Vibrations controls is mandatory for sure but the destructive effect vary a lot accordingly to the speakers design and location ( i used 2 set of springs over and under very heavily damp speakers with success at peanuts cost but it is not possible in a living room )
Some tweaks action is subtle and varied in impact according to the system/room acoustic parameters but necessary if we are able to hear the effect when the room /system is on balance ... Schumann generators located at the right place...
Small speakers vent port hole modification and tweeter directional wave guide modification ( No company will sell you a small speakers with a labyrinth inside or worst outside, i did it myself with success) ...
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Shunyata power conditioner has to be my favorite tweak. The Gemini 8 in my studio probably cost a little more than what I'd call a "tweak" but I purchased an MPC-12 Shunyata power conditioner on usaudiomart that was $650 and put my living room system in a whole different league than before.
I highly recommend for those that can't afford 2k+ on power conditioning, try to find a used Shunyata unit. I'd say it is 80% or 90% of the Geminis improvement in my system for a fraction of the cost. Anyone have experience with the Puron plugs with a Shunyata conditioner? I tried other plug solutions and didnt find they improved things when I had legit power conditioning in the system
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Before I bought holostage , Verafi has sales . I am interested to buy Swiss digital fuse box. I don’t know if I will still need it.
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Sounds like a Weird Millercarbon (Vankovic) heyday post he’d be proud boys, just keep those miracle pads out of the electrical panels… Laughter is the best Tweak.
Cheers
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...the ones' that get done.... ;)
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Fo Q tape.
Heartsound holostages
Swiss Digital fuse box
SnubWay/Mainstream combo
Stack Audio Auva isolators
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Snake oil. I put that **** on everything.
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A cool warmly and dimly lit listening room with my leather recliner in the sweet spot with my favorite drink on the left and my iPad on the right.
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Snake River Audio Takshaka cables.
EtherRegen/Mutec REF 10 SE120 Master Clock combo.
Snubway/MC combo.
QSA Red and Black fuse.
These items are the most significant tweaks/gear I have found as of late, after the core of the system had already been assembled. These have shown me what my system was actually capable of and I have stopped the merry go 'round of gear since. FWIW. YMMV.
Tom
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My favorite and most cost effective tweak was putting ficus trees behind my series 3 Maggie’s, followed by MYE stands. The immediate difference was amazing at a very low cost.
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I see many plants use at axpona, I can’t remember if they are real plants but they look nice , the room sound descent.
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XLR Akiko Tuning Stick in the back of my DAC
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@porchlight1
The Solidsteel turntable wall mount (WS-5) will support 130 pounds. I'm no longer using mine and it's available if you ever decide to get a heavier turntable.
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By impact:
Bybee golden goddess speaker and RCA bullets
Shungite slabs on transformers
Swiss Fuse Box
ADD POWER products
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Debrox earwax removal system. About $10 at your local pharmacy.
I clean my ears 3-4 times a year and usually extract a small clod of sticky wax about the size of a small pea. High frequencies improve immediately.
In retrospect, earwax buildup probably helped preserve my hearing through decades of too-loud music. Like built-in earplugs.
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Best $50 I have spent was a recap kit for my speakers.
Then would be the refresh on my pre & power amp.
Spiking my sub
Swapping out the cheap $3 outlet for a $50 one.
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Not a system tweak but a great accessory for vinyl guys...Stable 33.33 hole reamer. Simplicity/effective in design. Works wonderfully.
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I have a Linn LP12 TT, so this may not apply to others. But the Collaro mat makes a significant difference and is under $200
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All of you got me thinking about this and I had to make a list because it shocked me how many I have in my system. When you run out of the big buck pieces I guess the tweaks have been the gravy on the potatoes. Some are serious, some are for fun. Added a list of 18 items to my TN Systems page.
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ADD Powr
Sorcer
Apprentice
Wizard
Symphony I/O
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My favorite tweak is applied to ALL systems that I listen to, no matter where I am. It is removing my glasses.
Eye glasses set up a diffraction pattern about your head and removing them takes this away. I can’t believe how many times I go into a demo room at a show and I see those in the audience sitting and listening intently with their glasses on. 
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Early Listening Impressions...
Actually Paolo, after listening to some familiar tracks, I now believe the Black Hole & Materik are even more effective when plugged into my rather robust 10 socket balanced mains supply where I have everything powered. Sound plausible to you?
In addition to sounding more natural & present, I just think my system is even more revealing with the addition of your filters. More discernible than what I experienced with several others like Vera-fi Puron, Mainstream, Snubway & Ansuz Sparkx. Very nice indeed!
Additionally, I feel the Black Hole & Materik are more effective together as you suggested Paolo. It's too obvious for me to reach that conclusion despite knowing your recommendation in advance.
Where I placed both filters at first.
Looking at the filters individually, with the Black Hole only plugged into the dedicated line quad wall receptacle, there is an easily noticeable increase in micro details as a result of a quieter background. Depth of soundstage increases & musicians are firmly anchored on stage.
When paired together...
Of course when adding the Materik, which was initially plugged into a decent strip that is plugged into the wall outlet, things quiet down even more while adding a layer of shimmer to the highs, as well as more fleshed out mids & vocals. Center image benefits from greater focus.
The Materik alone builds on the Black Hole's improvements, however, when paired together, I'm hearing a more cohesive presentation that I don't fully appreciate with only a single filter in the mix. Take them both away, even with my selectively optimized system, the soundstage begins to shrink.
Serious Eye Candy!
The design & build quality can't be overlooked. Not only are they unique & pleasing to the eye, they definitely look up to the task!
Oh yeah I forgot the enhanced mids & vocals. More detail especially at lower volumes where you may be missing that little something. Vocals are more forward with more space between musicians all combine to create a deeper soundstage.
At your convenience Paolo, I would like to try a 2nd Materik plugged into dedicated wall outlet.
As always, thanks for your insight & first rate customer service!
Mac
Update...currently the Black Hole & Materik are plugged into the first receptacle of balanced mains supply where they seem to make the most improvement to noise floor, headroom, dynamics, resolution, attack & decay, low level listening. I like what I'm hearing so much that I ordered a 2nd Materik to plug into the wall outlet of dedicated 20a circuit.
Date of experience: July 12, 2025
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My Own one and one never expected to be the one I would thoroughly recommend for the Source Material for a Analogue Source is the following:
PAVCR Manual Cleaning Method
Never has a Analogue Sourced System delivered how this can deliver.
I am historically a Manual Cleaner using more typical methods
I am historically having used a Vacuum Cleaner Machine and a US Tank
Vinyl LP's can actually be so clean the Cleanliness has a sixth sense perception of being heard as a audible quality.
Purified Vinyl is a Good Terminology to uses as well.
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IsoAcoustic Gaias supporting loudspeakers
IsoAcoustic Oreas and Mini Pucks supporting electronics
Synergistic Research Tranquility Pods under electronics
Melco S100 Ethernet Switch with Sbooster BOTW power supply for Streamer and Roon Optimised Core Kit NUC.
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About tweaks i prefer homemade one (acoustical one and mechanical one ) but sometimes i reach my limit ...
I am not an electrical engineer...
My best tweak after Schumann generator well located in the system and grid of Helmholtz resonators well located (low cost)
is a Chinese set of buffer and filters for your low cost dac and pre-amplification they gave the needed clean power at the right time...( i recommend linear power supply especially sone low cost one from China )
I owned 3...
If your system is low cost you must try them....( i say that because i never try a 30 bucks buffer with a 4,000 bucks dac , mine cost under 200 US bucks )
Lusya technology aliexpress ...
They cost me under 100 US bucks, not for one but for the three of them , with no Tariff, and postal cost included ...
They are stupendous for the cost ...
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