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Site News: 17 May 2026

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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Macondo’s lowest channel. 5747 
A mono LF channel – I do not like it. 5743 
LF Results 5743 
The size maters 5742 
Response Curve 5742 
ULF placement and power 5742 
Wishful thinking and the Maelstrom-21 5742 
I will need a direct radiator under the bottom… 5742 
ULF experience: Drivers & power considerations cont'd 5741 
To experiment during the New England winter 5741 
Pitching pitch 5741 
There are many key points…. 5741 
A first true bass test 5725 
Actually…. 5725 
Best place lost? 5720 
Best location for bass, where art thou? 5720 
What to expect from ULF channel? 5704 
OK, it is something. 5703 
The new ULF scenario experiments. 5696 
Time coherence of ULF - my experience 5696 
Placement of ULF #2 5696 
Why I like the like the location #1 5696 
I need to find another ULF solution. 5688 
Ceiling subs 5687 
The infinite baffle shall be a very good solution. 5687 
This morning I woke up horny 5687 
Dsp 5687 
Parametric filters 5686 
SMS 1, Act II 5686 
I think I have found the problem with my ULF 5686 
SMS distortion issue? 5686 
At 30Hz of high order there are not truly tone” of “sound” 5686 
DCX output stage mods 5686 
Very small minority of the folks… 5686 
Exactly zero I suspect. . . 5686 
DSP vs. Music vs. HT 5686 
10" array; how low? & SMS-1 distortion 5686 
Interesting: 10” vs. 15” 5686 
Multiples of the Same Rising Response Curve? 5686 
The crisis of perception. 5685 
Dynamic range of ULF, tsunami and something else. 5684 
The Circle Unbroken 5684 
I wonder… is it PP2000? 5668 
The ULF and PurePower 2000 5659 
ULF Channel and LP playback. 5602 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5600 
I do not have an opinion yet. 5600 
Imponderabilis Neurosis 5600 
Bass non-pathologic hallucination… 5600 
A new paradigm for ULF? 5600 
…a number of logical flaws… 5600 
MAD HATTER 5599 
Thinking about my lower bass 5579 
Has Schrödinger's cat moved in unnoticed? 5579 
Wrong. 5579 
Groove Echo 5579 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5578 
Listening help with ULF stimulator 5578 
The ULF debate: time-alignment 5576 
Trying to address the dilemma with lowest bass. 5575 
Rotary woofer for ULF? 5575 
I do not need a Rotary woofer, I need to be less Moron. 5575 
*** 5575 
Congrats 5574 
Getting some maturity with ULF 5573 
About ULF attenuation. 5572 
How is it implemented? 5572 
My implementation of ULF channel. 5572 
Further thoughts about ULF channel. 5571 
ULF 5571 
I would agree but… 5571 
The problem that that I see with my ULF 5571 
Loudspeaker Proximity Coupling in Midbass & ULF 5571 
Great rotary idea! 5571 
Brilliant analyses! 5571 
Going down with bass 5569 
Under FS 5569 
Ideal ULF/Midbass integration 5569 
My super smart room! 5569 
Erratum ( or errata if you insist) 5569 
The issue is a complex one and should not be addressed generically ... 5569 
Cost benefit analysis of midbass horns v/s compromised ULF 5569 
There is no cost-benefit analysis for this thing. 5569 
I will experiment. 5569 
Sometimes experiment is not just experiment. 5569 
One Bass Horn or Two – for Oxric 5568 
My ways to mimic Reality. 5568 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5568 
"the purpose of playing, whose end both at the first and now..." 5568 
No manuals for those things…. 5568 
More about Rotary ULF idea. 5563 
Phoenix Gold Cyclone 5563 
Passing the waves…. as usual.... 5559 
Drive ULF Amp from Midbass Amp Output 5558 
There is “something”… 5558 
I do not know what I deal with. 5557 
I want my ULF amp back. 5546 
ULF emergency: Big & nasty solutions 5545 
No-amplification time 5545 
Listening audio without ULF. 5544 
Ok, I got the bass amp… 5544 
How much power do I need for my ULF. 5534 
A True ULF - what an amassing tool!!! 5532 
Put Marchand Crossover into the game. 5528 
I begin to like my active crossover. 5516 
Line-level passive vs. active ULF filter 5514 
Hm, there is no way to escape the 4th order. 5514 
Phase butterfly effect. 5513 
Back to DSP? 5513 
What I am trying to accomplish. 5513 
The art of ULF volume adjustment. 5512 
Sitting on a fence with ULF 5510 
The overly-swallowable bass. 5503 
To deLamminate my ULF channel. 5502 
What a beautiful result!!! 5501 
Pipe Organ with 128' register in Augsburg, Germany 5495 
An absolute must for ULF channel. 5478 
The compartmentalized bass 5355 
Paralleled SET bass 5351 
A new concept of ULF channel. 5343 
Infinite baffle 5343 
A 4th order bandpass vibrator? 5343 
ULF idea, possibly stupid. 5342 
IB vs Horn 5342 
A Distributed Infinite Baffle? 5341 
"Tuning" the "IB" 5341 
Flip 90 degrees 5341 
Little bump and the elephant solutions 5341 
How to do THAT? 5340 
ULF from coffee table 5340 
The through-hole tapped horn. 5340 
25 hz at 6db? 5340 
ULF from the SledgeHammer 5340 
Why not really use the basement 5340 
Never say never 5340 
How good ULF needs to be? 5329 
How good the user needs to be? 5329 
Maybe . . . 5329 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5329 
Narrow [Band] Tuning (DSP?) 5329 
ULF-only Sound 5289 
An easy ULF solution for someone. 5281 
Red Grills 5281 
It is exactly what I would like to avoid. 5280 
So I took your advice 5222 
Ok, let me know how it goes. 5222 
The ULF amp Itch. 5208 
Here is an update for the old thread.... 2829 
Good highs 2829 
Marchand 1886 
What truly are you tryin to accomplish? 1886 
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