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Site News: 20 Jul 2026

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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Macondo’s lowest channel. 5802 
A mono LF channel – I do not like it. 5798 
LF Results 5798 
The size maters 5797 
Response Curve 5797 
ULF placement and power 5797 
Wishful thinking and the Maelstrom-21 5797 
I will need a direct radiator under the bottom… 5797 
ULF experience: Drivers & power considerations cont'd 5796 
To experiment during the New England winter 5796 
Pitching pitch 5796 
There are many key points…. 5796 
A first true bass test 5780 
Actually…. 5780 
Best place lost? 5775 
Best location for bass, where art thou? 5775 
What to expect from ULF channel? 5759 
OK, it is something. 5758 
The new ULF scenario experiments. 5751 
Time coherence of ULF - my experience 5751 
Placement of ULF #2 5751 
Why I like the like the location #1 5751 
I need to find another ULF solution. 5743 
Ceiling subs 5742 
The infinite baffle shall be a very good solution. 5742 
This morning I woke up horny 5742 
Dsp 5742 
Parametric filters 5741 
SMS 1, Act II 5741 
I think I have found the problem with my ULF 5741 
SMS distortion issue? 5741 
At 30Hz of high order there are not truly tone” of “sound” 5741 
DCX output stage mods 5741 
Very small minority of the folks… 5741 
Exactly zero I suspect. . . 5741 
DSP vs. Music vs. HT 5741 
10" array; how low? & SMS-1 distortion 5741 
Interesting: 10” vs. 15” 5741 
Multiples of the Same Rising Response Curve? 5741 
The crisis of perception. 5740 
Dynamic range of ULF, tsunami and something else. 5739 
The Circle Unbroken 5739 
I wonder… is it PP2000? 5723 
The ULF and PurePower 2000 5714 
ULF Channel and LP playback. 5657 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5655 
I do not have an opinion yet. 5655 
Imponderabilis Neurosis 5655 
Bass non-pathologic hallucination… 5655 
A new paradigm for ULF? 5655 
…a number of logical flaws… 5655 
MAD HATTER 5654 
Thinking about my lower bass 5634 
Has Schrödinger's cat moved in unnoticed? 5634 
Wrong. 5634 
Groove Echo 5634 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5633 
Listening help with ULF stimulator 5633 
The ULF debate: time-alignment 5631 
Trying to address the dilemma with lowest bass. 5630 
Rotary woofer for ULF? 5630 
I do not need a Rotary woofer, I need to be less Moron. 5630 
*** 5630 
Congrats 5629 
Getting some maturity with ULF 5628 
About ULF attenuation. 5627 
How is it implemented? 5627 
My implementation of ULF channel. 5627 
Further thoughts about ULF channel. 5626 
ULF 5626 
I would agree but… 5626 
The problem that that I see with my ULF 5626 
Loudspeaker Proximity Coupling in Midbass & ULF 5626 
Great rotary idea! 5626 
Brilliant analyses! 5626 
Going down with bass 5624 
Under FS 5624 
Ideal ULF/Midbass integration 5624 
My super smart room! 5624 
Erratum ( or errata if you insist) 5624 
The issue is a complex one and should not be addressed generically ... 5624 
Cost benefit analysis of midbass horns v/s compromised ULF 5624 
There is no cost-benefit analysis for this thing. 5624 
I will experiment. 5624 
Sometimes experiment is not just experiment. 5624 
One Bass Horn or Two – for Oxric 5623 
My ways to mimic Reality. 5623 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5623 
"the purpose of playing, whose end both at the first and now..." 5623 
No manuals for those things…. 5623 
More about Rotary ULF idea. 5618 
Phoenix Gold Cyclone 5618 
Passing the waves…. as usual.... 5614 
Drive ULF Amp from Midbass Amp Output 5613 
There is “something”… 5613 
I do not know what I deal with. 5612 
I want my ULF amp back. 5601 
ULF emergency: Big & nasty solutions 5600 
No-amplification time 5600 
Listening audio without ULF. 5599 
Ok, I got the bass amp… 5599 
How much power do I need for my ULF. 5589 
A True ULF - what an amassing tool!!! 5587 
Put Marchand Crossover into the game. 5583 
I begin to like my active crossover. 5571 
Line-level passive vs. active ULF filter 5569 
Hm, there is no way to escape the 4th order. 5569 
Phase butterfly effect. 5568 
Back to DSP? 5568 
What I am trying to accomplish. 5568 
The art of ULF volume adjustment. 5567 
Sitting on a fence with ULF 5565 
The overly-swallowable bass. 5558 
To deLamminate my ULF channel. 5557 
What a beautiful result!!! 5556 
Pipe Organ with 128' register in Augsburg, Germany 5550 
An absolute must for ULF channel. 5533 
The compartmentalized bass 5410 
Paralleled SET bass 5406 
A new concept of ULF channel. 5398 
Infinite baffle 5398 
A 4th order bandpass vibrator? 5398 
ULF idea, possibly stupid. 5397 
IB vs Horn 5397 
A Distributed Infinite Baffle? 5396 
"Tuning" the "IB" 5396 
Flip 90 degrees 5396 
Little bump and the elephant solutions 5396 
How to do THAT? 5395 
ULF from coffee table 5395 
The through-hole tapped horn. 5395 
25 hz at 6db? 5395 
ULF from the SledgeHammer 5395 
Why not really use the basement 5395 
Never say never 5395 
How good ULF needs to be? 5384 
How good the user needs to be? 5384 
Maybe . . . 5384 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5384 
Narrow [Band] Tuning (DSP?) 5384 
ULF-only Sound 5344 
An easy ULF solution for someone. 5336 
Red Grills 5336 
It is exactly what I would like to avoid. 5335 
So I took your advice 5277 
Ok, let me know how it goes. 5277 
The ULF amp Itch. 5263 
Here is an update for the old thread.... 2884 
Good highs 2884 
Marchand 1941 
What truly are you tryin to accomplish? 1941 
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