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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. 5757 
A mono LF channel – I do not like it. 5753 
LF Results 5753 
The size maters 5752 
Response Curve 5752 
ULF placement and power 5752 
Wishful thinking and the Maelstrom-21 5752 
I will need a direct radiator under the bottom… 5752 
ULF experience: Drivers & power considerations cont'd 5751 
To experiment during the New England winter 5751 
Pitching pitch 5751 
There are many key points…. 5751 
A first true bass test 5735 
Actually…. 5735 
Best place lost? 5730 
Best location for bass, where art thou? 5730 
What to expect from ULF channel? 5714 
OK, it is something. 5713 
The new ULF scenario experiments. 5706 
Time coherence of ULF - my experience 5706 
Placement of ULF #2 5706 
Why I like the like the location #1 5706 
I need to find another ULF solution. 5698 
Ceiling subs 5697 
The infinite baffle shall be a very good solution. 5697 
This morning I woke up horny 5697 
Dsp 5697 
Parametric filters 5696 
SMS 1, Act II 5696 
I think I have found the problem with my ULF 5696 
SMS distortion issue? 5696 
At 30Hz of high order there are not truly tone” of “sound” 5696 
DCX output stage mods 5696 
Very small minority of the folks… 5696 
Exactly zero I suspect. . . 5696 
DSP vs. Music vs. HT 5696 
10" array; how low? & SMS-1 distortion 5696 
Interesting: 10” vs. 15” 5696 
Multiples of the Same Rising Response Curve? 5696 
The crisis of perception. 5695 
Dynamic range of ULF, tsunami and something else. 5694 
The Circle Unbroken 5694 
I wonder… is it PP2000? 5678 
The ULF and PurePower 2000 5669 
ULF Channel and LP playback. 5612 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5610 
I do not have an opinion yet. 5610 
Imponderabilis Neurosis 5610 
Bass non-pathologic hallucination… 5610 
A new paradigm for ULF? 5610 
…a number of logical flaws… 5610 
MAD HATTER 5609 
Thinking about my lower bass 5589 
Has Schrödinger's cat moved in unnoticed? 5589 
Wrong. 5589 
Groove Echo 5589 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5588 
Listening help with ULF stimulator 5588 
The ULF debate: time-alignment 5586 
Trying to address the dilemma with lowest bass. 5585 
Rotary woofer for ULF? 5585 
I do not need a Rotary woofer, I need to be less Moron. 5585 
*** 5585 
Congrats 5584 
Getting some maturity with ULF 5583 
About ULF attenuation. 5582 
How is it implemented? 5582 
My implementation of ULF channel. 5582 
Further thoughts about ULF channel. 5581 
ULF 5581 
I would agree but… 5581 
The problem that that I see with my ULF 5581 
Loudspeaker Proximity Coupling in Midbass & ULF 5581 
Great rotary idea! 5581 
Brilliant analyses! 5581 
Going down with bass 5579 
Under FS 5579 
Ideal ULF/Midbass integration 5579 
My super smart room! 5579 
Erratum ( or errata if you insist) 5579 
The issue is a complex one and should not be addressed generically ... 5579 
Cost benefit analysis of midbass horns v/s compromised ULF 5579 
There is no cost-benefit analysis for this thing. 5579 
I will experiment. 5579 
Sometimes experiment is not just experiment. 5579 
One Bass Horn or Two – for Oxric 5578 
My ways to mimic Reality. 5578 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5578 
"the purpose of playing, whose end both at the first and now..." 5578 
No manuals for those things…. 5578 
More about Rotary ULF idea. 5573 
Phoenix Gold Cyclone 5573 
Passing the waves…. as usual.... 5569 
Drive ULF Amp from Midbass Amp Output 5568 
There is “something”… 5568 
I do not know what I deal with. 5567 
I want my ULF amp back. 5556 
ULF emergency: Big & nasty solutions 5555 
No-amplification time 5555 
Listening audio without ULF. 5554 
Ok, I got the bass amp… 5554 
How much power do I need for my ULF. 5544 
A True ULF - what an amassing tool!!! 5542 
Put Marchand Crossover into the game. 5538 
I begin to like my active crossover. 5526 
Line-level passive vs. active ULF filter 5524 
Hm, there is no way to escape the 4th order. 5524 
Phase butterfly effect. 5523 
Back to DSP? 5523 
What I am trying to accomplish. 5523 
The art of ULF volume adjustment. 5522 
Sitting on a fence with ULF 5520 
The overly-swallowable bass. 5513 
To deLamminate my ULF channel. 5512 
What a beautiful result!!! 5511 
Pipe Organ with 128' register in Augsburg, Germany 5505 
An absolute must for ULF channel. 5488 
The compartmentalized bass 5365 
Paralleled SET bass 5361 
A new concept of ULF channel. 5353 
Infinite baffle 5353 
A 4th order bandpass vibrator? 5353 
ULF idea, possibly stupid. 5352 
IB vs Horn 5352 
A Distributed Infinite Baffle? 5351 
"Tuning" the "IB" 5351 
Flip 90 degrees 5351 
Little bump and the elephant solutions 5351 
How to do THAT? 5350 
ULF from coffee table 5350 
The through-hole tapped horn. 5350 
25 hz at 6db? 5350 
ULF from the SledgeHammer 5350 
Why not really use the basement 5350 
Never say never 5350 
How good ULF needs to be? 5339 
How good the user needs to be? 5339 
Maybe . . . 5339 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5339 
Narrow [Band] Tuning (DSP?) 5339 
ULF-only Sound 5299 
An easy ULF solution for someone. 5291 
Red Grills 5291 
It is exactly what I would like to avoid. 5290 
So I took your advice 5232 
Ok, let me know how it goes. 5232 
The ULF amp Itch. 5218 
Here is an update for the old thread.... 2839 
Good highs 2839 
Marchand 1896 
What truly are you tryin to accomplish? 1896 
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