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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. 5759 
A mono LF channel – I do not like it. 5755 
LF Results 5755 
The size maters 5754 
Response Curve 5754 
ULF placement and power 5754 
Wishful thinking and the Maelstrom-21 5754 
I will need a direct radiator under the bottom… 5754 
ULF experience: Drivers & power considerations cont'd 5753 
To experiment during the New England winter 5753 
Pitching pitch 5753 
There are many key points…. 5753 
A first true bass test 5737 
Actually…. 5737 
Best place lost? 5732 
Best location for bass, where art thou? 5732 
What to expect from ULF channel? 5716 
OK, it is something. 5715 
The new ULF scenario experiments. 5708 
Time coherence of ULF - my experience 5708 
Placement of ULF #2 5708 
Why I like the like the location #1 5708 
I need to find another ULF solution. 5700 
Ceiling subs 5699 
The infinite baffle shall be a very good solution. 5699 
This morning I woke up horny 5699 
Dsp 5699 
Parametric filters 5698 
SMS 1, Act II 5698 
I think I have found the problem with my ULF 5698 
SMS distortion issue? 5698 
At 30Hz of high order there are not truly tone” of “sound” 5698 
DCX output stage mods 5698 
Very small minority of the folks… 5698 
Exactly zero I suspect. . . 5698 
DSP vs. Music vs. HT 5698 
10" array; how low? & SMS-1 distortion 5698 
Interesting: 10” vs. 15” 5698 
Multiples of the Same Rising Response Curve? 5698 
The crisis of perception. 5697 
Dynamic range of ULF, tsunami and something else. 5696 
The Circle Unbroken 5696 
I wonder… is it PP2000? 5680 
The ULF and PurePower 2000 5671 
ULF Channel and LP playback. 5614 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5612 
I do not have an opinion yet. 5612 
Imponderabilis Neurosis 5612 
Bass non-pathologic hallucination… 5612 
A new paradigm for ULF? 5612 
…a number of logical flaws… 5612 
MAD HATTER 5611 
Thinking about my lower bass 5591 
Has Schrödinger's cat moved in unnoticed? 5591 
Wrong. 5591 
Groove Echo 5591 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5590 
Listening help with ULF stimulator 5590 
The ULF debate: time-alignment 5588 
Trying to address the dilemma with lowest bass. 5587 
Rotary woofer for ULF? 5587 
I do not need a Rotary woofer, I need to be less Moron. 5587 
*** 5587 
Congrats 5586 
Getting some maturity with ULF 5585 
About ULF attenuation. 5584 
How is it implemented? 5584 
My implementation of ULF channel. 5584 
Further thoughts about ULF channel. 5583 
ULF 5583 
I would agree but… 5583 
The problem that that I see with my ULF 5583 
Loudspeaker Proximity Coupling in Midbass & ULF 5583 
Great rotary idea! 5583 
Brilliant analyses! 5583 
Going down with bass 5581 
Under FS 5581 
Ideal ULF/Midbass integration 5581 
My super smart room! 5581 
Erratum ( or errata if you insist) 5581 
The issue is a complex one and should not be addressed generically ... 5581 
Cost benefit analysis of midbass horns v/s compromised ULF 5581 
There is no cost-benefit analysis for this thing. 5581 
I will experiment. 5581 
Sometimes experiment is not just experiment. 5581 
One Bass Horn or Two – for Oxric 5580 
My ways to mimic Reality. 5580 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5580 
"the purpose of playing, whose end both at the first and now..." 5580 
No manuals for those things…. 5580 
More about Rotary ULF idea. 5575 
Phoenix Gold Cyclone 5575 
Passing the waves…. as usual.... 5571 
Drive ULF Amp from Midbass Amp Output 5570 
There is “something”… 5570 
I do not know what I deal with. 5569 
I want my ULF amp back. 5558 
ULF emergency: Big & nasty solutions 5557 
No-amplification time 5557 
Listening audio without ULF. 5556 
Ok, I got the bass amp… 5556 
How much power do I need for my ULF. 5546 
A True ULF - what an amassing tool!!! 5544 
Put Marchand Crossover into the game. 5540 
I begin to like my active crossover. 5528 
Line-level passive vs. active ULF filter 5526 
Hm, there is no way to escape the 4th order. 5526 
Phase butterfly effect. 5525 
Back to DSP? 5525 
What I am trying to accomplish. 5525 
The art of ULF volume adjustment. 5524 
Sitting on a fence with ULF 5522 
The overly-swallowable bass. 5515 
To deLamminate my ULF channel. 5514 
What a beautiful result!!! 5513 
Pipe Organ with 128' register in Augsburg, Germany 5507 
An absolute must for ULF channel. 5490 
The compartmentalized bass 5367 
Paralleled SET bass 5363 
A new concept of ULF channel. 5355 
Infinite baffle 5355 
A 4th order bandpass vibrator? 5355 
ULF idea, possibly stupid. 5354 
IB vs Horn 5354 
A Distributed Infinite Baffle? 5353 
"Tuning" the "IB" 5353 
Flip 90 degrees 5353 
Little bump and the elephant solutions 5353 
How to do THAT? 5352 
ULF from coffee table 5352 
The through-hole tapped horn. 5352 
25 hz at 6db? 5352 
ULF from the SledgeHammer 5352 
Why not really use the basement 5352 
Never say never 5352 
How good ULF needs to be? 5341 
How good the user needs to be? 5341 
Maybe . . . 5341 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5341 
Narrow [Band] Tuning (DSP?) 5341 
ULF-only Sound 5301 
An easy ULF solution for someone. 5293 
Red Grills 5293 
It is exactly what I would like to avoid. 5292 
So I took your advice 5234 
Ok, let me know how it goes. 5234 
The ULF amp Itch. 5220 
Here is an update for the old thread.... 2841 
Good highs 2841 
Marchand 1898 
What truly are you tryin to accomplish? 1898 
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