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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. 5803 
A mono LF channel – I do not like it. 5799 
LF Results 5799 
The size maters 5798 
Response Curve 5798 
ULF placement and power 5798 
Wishful thinking and the Maelstrom-21 5798 
I will need a direct radiator under the bottom… 5798 
ULF experience: Drivers & power considerations cont'd 5797 
To experiment during the New England winter 5797 
Pitching pitch 5797 
There are many key points…. 5797 
A first true bass test 5781 
Actually…. 5781 
Best place lost? 5776 
Best location for bass, where art thou? 5776 
What to expect from ULF channel? 5760 
OK, it is something. 5759 
The new ULF scenario experiments. 5752 
Time coherence of ULF - my experience 5752 
Placement of ULF #2 5752 
Why I like the like the location #1 5752 
I need to find another ULF solution. 5744 
Ceiling subs 5743 
The infinite baffle shall be a very good solution. 5743 
This morning I woke up horny 5743 
Dsp 5743 
Parametric filters 5742 
SMS 1, Act II 5742 
I think I have found the problem with my ULF 5742 
SMS distortion issue? 5742 
At 30Hz of high order there are not truly tone” of “sound” 5742 
DCX output stage mods 5742 
Very small minority of the folks… 5742 
Exactly zero I suspect. . . 5742 
DSP vs. Music vs. HT 5742 
10" array; how low? & SMS-1 distortion 5742 
Interesting: 10” vs. 15” 5742 
Multiples of the Same Rising Response Curve? 5742 
The crisis of perception. 5741 
Dynamic range of ULF, tsunami and something else. 5740 
The Circle Unbroken 5740 
I wonder… is it PP2000? 5724 
The ULF and PurePower 2000 5715 
ULF Channel and LP playback. 5658 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5656 
I do not have an opinion yet. 5656 
Imponderabilis Neurosis 5656 
Bass non-pathologic hallucination… 5656 
A new paradigm for ULF? 5656 
…a number of logical flaws… 5656 
MAD HATTER 5655 
Thinking about my lower bass 5635 
Has Schrödinger's cat moved in unnoticed? 5635 
Wrong. 5635 
Groove Echo 5635 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5634 
Listening help with ULF stimulator 5634 
The ULF debate: time-alignment 5632 
Trying to address the dilemma with lowest bass. 5631 
Rotary woofer for ULF? 5631 
I do not need a Rotary woofer, I need to be less Moron. 5631 
*** 5631 
Congrats 5630 
Getting some maturity with ULF 5629 
About ULF attenuation. 5628 
How is it implemented? 5628 
My implementation of ULF channel. 5628 
Further thoughts about ULF channel. 5627 
ULF 5627 
I would agree but… 5627 
The problem that that I see with my ULF 5627 
Loudspeaker Proximity Coupling in Midbass & ULF 5627 
Great rotary idea! 5627 
Brilliant analyses! 5627 
Going down with bass 5625 
Under FS 5625 
Ideal ULF/Midbass integration 5625 
My super smart room! 5625 
Erratum ( or errata if you insist) 5625 
The issue is a complex one and should not be addressed generically ... 5625 
Cost benefit analysis of midbass horns v/s compromised ULF 5625 
There is no cost-benefit analysis for this thing. 5625 
I will experiment. 5625 
Sometimes experiment is not just experiment. 5625 
One Bass Horn or Two – for Oxric 5624 
My ways to mimic Reality. 5624 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5624 
"the purpose of playing, whose end both at the first and now..." 5624 
No manuals for those things…. 5624 
More about Rotary ULF idea. 5619 
Phoenix Gold Cyclone 5619 
Passing the waves…. as usual.... 5615 
Drive ULF Amp from Midbass Amp Output 5614 
There is “something”… 5614 
I do not know what I deal with. 5613 
I want my ULF amp back. 5602 
ULF emergency: Big & nasty solutions 5601 
No-amplification time 5601 
Listening audio without ULF. 5600 
Ok, I got the bass amp… 5600 
How much power do I need for my ULF. 5590 
A True ULF - what an amassing tool!!! 5588 
Put Marchand Crossover into the game. 5584 
I begin to like my active crossover. 5572 
Line-level passive vs. active ULF filter 5570 
Hm, there is no way to escape the 4th order. 5570 
Phase butterfly effect. 5569 
Back to DSP? 5569 
What I am trying to accomplish. 5569 
The art of ULF volume adjustment. 5568 
Sitting on a fence with ULF 5566 
The overly-swallowable bass. 5559 
To deLamminate my ULF channel. 5558 
What a beautiful result!!! 5557 
Pipe Organ with 128' register in Augsburg, Germany 5551 
An absolute must for ULF channel. 5534 
The compartmentalized bass 5411 
Paralleled SET bass 5407 
A new concept of ULF channel. 5399 
Infinite baffle 5399 
A 4th order bandpass vibrator? 5399 
ULF idea, possibly stupid. 5398 
IB vs Horn 5398 
A Distributed Infinite Baffle? 5397 
"Tuning" the "IB" 5397 
Flip 90 degrees 5397 
Little bump and the elephant solutions 5397 
How to do THAT? 5396 
ULF from coffee table 5396 
The through-hole tapped horn. 5396 
25 hz at 6db? 5396 
ULF from the SledgeHammer 5396 
Why not really use the basement 5396 
Never say never 5396 
How good ULF needs to be? 5385 
How good the user needs to be? 5385 
Maybe . . . 5385 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5385 
Narrow [Band] Tuning (DSP?) 5385 
ULF-only Sound 5345 
An easy ULF solution for someone. 5337 
Red Grills 5337 
It is exactly what I would like to avoid. 5336 
So I took your advice 5278 
Ok, let me know how it goes. 5278 
The ULF amp Itch. 5264 
Here is an update for the old thread.... 2885 
Good highs 2885 
Marchand 1942 
What truly are you tryin to accomplish? 1942 
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