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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. 5766 
A mono LF channel – I do not like it. 5762 
LF Results 5762 
The size maters 5761 
Response Curve 5761 
ULF placement and power 5761 
Wishful thinking and the Maelstrom-21 5761 
I will need a direct radiator under the bottom… 5761 
ULF experience: Drivers & power considerations cont'd 5760 
To experiment during the New England winter 5760 
Pitching pitch 5760 
There are many key points…. 5760 
A first true bass test 5744 
Actually…. 5744 
Best place lost? 5739 
Best location for bass, where art thou? 5739 
What to expect from ULF channel? 5723 
OK, it is something. 5722 
The new ULF scenario experiments. 5715 
Time coherence of ULF - my experience 5715 
Placement of ULF #2 5715 
Why I like the like the location #1 5715 
I need to find another ULF solution. 5707 
Ceiling subs 5706 
The infinite baffle shall be a very good solution. 5706 
This morning I woke up horny 5706 
Dsp 5706 
Parametric filters 5705 
SMS 1, Act II 5705 
I think I have found the problem with my ULF 5705 
SMS distortion issue? 5705 
At 30Hz of high order there are not truly tone” of “sound” 5705 
DCX output stage mods 5705 
Very small minority of the folks… 5705 
Exactly zero I suspect. . . 5705 
DSP vs. Music vs. HT 5705 
10" array; how low? & SMS-1 distortion 5705 
Interesting: 10” vs. 15” 5705 
Multiples of the Same Rising Response Curve? 5705 
The crisis of perception. 5704 
Dynamic range of ULF, tsunami and something else. 5703 
The Circle Unbroken 5703 
I wonder… is it PP2000? 5687 
The ULF and PurePower 2000 5678 
ULF Channel and LP playback. 5621 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5619 
I do not have an opinion yet. 5619 
Imponderabilis Neurosis 5619 
Bass non-pathologic hallucination… 5619 
A new paradigm for ULF? 5619 
…a number of logical flaws… 5619 
MAD HATTER 5618 
Thinking about my lower bass 5598 
Has Schrödinger's cat moved in unnoticed? 5598 
Wrong. 5598 
Groove Echo 5598 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5597 
Listening help with ULF stimulator 5597 
The ULF debate: time-alignment 5595 
Trying to address the dilemma with lowest bass. 5594 
Rotary woofer for ULF? 5594 
I do not need a Rotary woofer, I need to be less Moron. 5594 
*** 5594 
Congrats 5593 
Getting some maturity with ULF 5592 
About ULF attenuation. 5591 
How is it implemented? 5591 
My implementation of ULF channel. 5591 
Further thoughts about ULF channel. 5590 
ULF 5590 
I would agree but… 5590 
The problem that that I see with my ULF 5590 
Loudspeaker Proximity Coupling in Midbass & ULF 5590 
Great rotary idea! 5590 
Brilliant analyses! 5590 
Going down with bass 5588 
Under FS 5588 
Ideal ULF/Midbass integration 5588 
My super smart room! 5588 
Erratum ( or errata if you insist) 5588 
The issue is a complex one and should not be addressed generically ... 5588 
Cost benefit analysis of midbass horns v/s compromised ULF 5588 
There is no cost-benefit analysis for this thing. 5588 
I will experiment. 5588 
Sometimes experiment is not just experiment. 5588 
One Bass Horn or Two – for Oxric 5587 
My ways to mimic Reality. 5587 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5587 
"the purpose of playing, whose end both at the first and now..." 5587 
No manuals for those things…. 5587 
More about Rotary ULF idea. 5582 
Phoenix Gold Cyclone 5582 
Passing the waves…. as usual.... 5578 
Drive ULF Amp from Midbass Amp Output 5577 
There is “something”… 5577 
I do not know what I deal with. 5576 
I want my ULF amp back. 5565 
ULF emergency: Big & nasty solutions 5564 
No-amplification time 5564 
Listening audio without ULF. 5563 
Ok, I got the bass amp… 5563 
How much power do I need for my ULF. 5553 
A True ULF - what an amassing tool!!! 5551 
Put Marchand Crossover into the game. 5547 
I begin to like my active crossover. 5535 
Line-level passive vs. active ULF filter 5533 
Hm, there is no way to escape the 4th order. 5533 
Phase butterfly effect. 5532 
Back to DSP? 5532 
What I am trying to accomplish. 5532 
The art of ULF volume adjustment. 5531 
Sitting on a fence with ULF 5529 
The overly-swallowable bass. 5522 
To deLamminate my ULF channel. 5521 
What a beautiful result!!! 5520 
Pipe Organ with 128' register in Augsburg, Germany 5514 
An absolute must for ULF channel. 5497 
The compartmentalized bass 5374 
Paralleled SET bass 5370 
A new concept of ULF channel. 5362 
Infinite baffle 5362 
A 4th order bandpass vibrator? 5362 
ULF idea, possibly stupid. 5361 
IB vs Horn 5361 
A Distributed Infinite Baffle? 5360 
"Tuning" the "IB" 5360 
Flip 90 degrees 5360 
Little bump and the elephant solutions 5360 
How to do THAT? 5359 
ULF from coffee table 5359 
The through-hole tapped horn. 5359 
25 hz at 6db? 5359 
ULF from the SledgeHammer 5359 
Why not really use the basement 5359 
Never say never 5359 
How good ULF needs to be? 5348 
How good the user needs to be? 5348 
Maybe . . . 5348 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5348 
Narrow [Band] Tuning (DSP?) 5348 
ULF-only Sound 5308 
An easy ULF solution for someone. 5300 
Red Grills 5300 
It is exactly what I would like to avoid. 5299 
So I took your advice 5241 
Ok, let me know how it goes. 5241 
The ULF amp Itch. 5227 
Here is an update for the old thread.... 2848 
Good highs 2848 
Marchand 1905 
What truly are you tryin to accomplish? 1905 
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