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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. 5744 
A mono LF channel – I do not like it. 5740 
LF Results 5740 
The size maters 5739 
Response Curve 5739 
ULF placement and power 5739 
Wishful thinking and the Maelstrom-21 5739 
I will need a direct radiator under the bottom… 5739 
ULF experience: Drivers & power considerations cont'd 5738 
To experiment during the New England winter 5738 
Pitching pitch 5738 
There are many key points…. 5738 
A first true bass test 5722 
Actually…. 5722 
Best place lost? 5717 
Best location for bass, where art thou? 5717 
What to expect from ULF channel? 5701 
OK, it is something. 5700 
The new ULF scenario experiments. 5693 
Time coherence of ULF - my experience 5693 
Placement of ULF #2 5693 
Why I like the like the location #1 5693 
I need to find another ULF solution. 5685 
Ceiling subs 5684 
The infinite baffle shall be a very good solution. 5684 
This morning I woke up horny 5684 
Dsp 5684 
Parametric filters 5683 
SMS 1, Act II 5683 
I think I have found the problem with my ULF 5683 
SMS distortion issue? 5683 
At 30Hz of high order there are not truly tone” of “sound” 5683 
DCX output stage mods 5683 
Very small minority of the folks… 5683 
Exactly zero I suspect. . . 5683 
DSP vs. Music vs. HT 5683 
10" array; how low? & SMS-1 distortion 5683 
Interesting: 10” vs. 15” 5683 
Multiples of the Same Rising Response Curve? 5683 
The crisis of perception. 5682 
Dynamic range of ULF, tsunami and something else. 5681 
The Circle Unbroken 5681 
I wonder… is it PP2000? 5665 
The ULF and PurePower 2000 5656 
ULF Channel and LP playback. 5599 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5597 
I do not have an opinion yet. 5597 
Imponderabilis Neurosis 5597 
Bass non-pathologic hallucination… 5597 
A new paradigm for ULF? 5597 
…a number of logical flaws… 5597 
MAD HATTER 5596 
Thinking about my lower bass 5576 
Has Schrödinger's cat moved in unnoticed? 5576 
Wrong. 5576 
Groove Echo 5576 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5575 
Listening help with ULF stimulator 5575 
The ULF debate: time-alignment 5573 
Trying to address the dilemma with lowest bass. 5572 
Rotary woofer for ULF? 5572 
I do not need a Rotary woofer, I need to be less Moron. 5572 
*** 5572 
Congrats 5571 
Getting some maturity with ULF 5570 
About ULF attenuation. 5569 
How is it implemented? 5569 
My implementation of ULF channel. 5569 
Further thoughts about ULF channel. 5568 
ULF 5568 
I would agree but… 5568 
The problem that that I see with my ULF 5568 
Loudspeaker Proximity Coupling in Midbass & ULF 5568 
Great rotary idea! 5568 
Brilliant analyses! 5568 
Going down with bass 5566 
Under FS 5566 
Ideal ULF/Midbass integration 5566 
My super smart room! 5566 
Erratum ( or errata if you insist) 5566 
The issue is a complex one and should not be addressed generically ... 5566 
Cost benefit analysis of midbass horns v/s compromised ULF 5566 
There is no cost-benefit analysis for this thing. 5566 
I will experiment. 5566 
Sometimes experiment is not just experiment. 5566 
One Bass Horn or Two – for Oxric 5565 
My ways to mimic Reality. 5565 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5565 
"the purpose of playing, whose end both at the first and now..." 5565 
No manuals for those things…. 5565 
More about Rotary ULF idea. 5560 
Phoenix Gold Cyclone 5560 
Passing the waves…. as usual.... 5556 
Drive ULF Amp from Midbass Amp Output 5555 
There is “something”… 5555 
I do not know what I deal with. 5554 
I want my ULF amp back. 5543 
ULF emergency: Big & nasty solutions 5542 
No-amplification time 5542 
Listening audio without ULF. 5541 
Ok, I got the bass amp… 5541 
How much power do I need for my ULF. 5531 
A True ULF - what an amassing tool!!! 5529 
Put Marchand Crossover into the game. 5525 
I begin to like my active crossover. 5513 
Line-level passive vs. active ULF filter 5511 
Hm, there is no way to escape the 4th order. 5511 
Phase butterfly effect. 5510 
Back to DSP? 5510 
What I am trying to accomplish. 5510 
The art of ULF volume adjustment. 5509 
Sitting on a fence with ULF 5507 
The overly-swallowable bass. 5500 
To deLamminate my ULF channel. 5499 
What a beautiful result!!! 5498 
Pipe Organ with 128' register in Augsburg, Germany 5492 
An absolute must for ULF channel. 5475 
The compartmentalized bass 5352 
Paralleled SET bass 5348 
A new concept of ULF channel. 5340 
Infinite baffle 5340 
A 4th order bandpass vibrator? 5340 
ULF idea, possibly stupid. 5339 
IB vs Horn 5339 
A Distributed Infinite Baffle? 5338 
"Tuning" the "IB" 5338 
Flip 90 degrees 5338 
Little bump and the elephant solutions 5338 
How to do THAT? 5337 
ULF from coffee table 5337 
The through-hole tapped horn. 5337 
25 hz at 6db? 5337 
ULF from the SledgeHammer 5337 
Why not really use the basement 5337 
Never say never 5337 
How good ULF needs to be? 5326 
How good the user needs to be? 5326 
Maybe . . . 5326 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5326 
Narrow [Band] Tuning (DSP?) 5326 
ULF-only Sound 5286 
An easy ULF solution for someone. 5278 
Red Grills 5278 
It is exactly what I would like to avoid. 5277 
So I took your advice 5219 
Ok, let me know how it goes. 5219 
The ULF amp Itch. 5205 
Here is an update for the old thread.... 2826 
Good highs 2826 
Marchand 1883 
What truly are you tryin to accomplish? 1883 
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