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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. 5796 
A mono LF channel – I do not like it. 5792 
LF Results 5792 
The size maters 5791 
Response Curve 5791 
ULF placement and power 5791 
Wishful thinking and the Maelstrom-21 5791 
I will need a direct radiator under the bottom… 5791 
ULF experience: Drivers & power considerations cont'd 5790 
To experiment during the New England winter 5790 
Pitching pitch 5790 
There are many key points…. 5790 
A first true bass test 5774 
Actually…. 5774 
Best place lost? 5769 
Best location for bass, where art thou? 5769 
What to expect from ULF channel? 5753 
OK, it is something. 5752 
The new ULF scenario experiments. 5745 
Time coherence of ULF - my experience 5745 
Placement of ULF #2 5745 
Why I like the like the location #1 5745 
I need to find another ULF solution. 5737 
Ceiling subs 5736 
The infinite baffle shall be a very good solution. 5736 
This morning I woke up horny 5736 
Dsp 5736 
Parametric filters 5735 
SMS 1, Act II 5735 
I think I have found the problem with my ULF 5735 
SMS distortion issue? 5735 
At 30Hz of high order there are not truly tone” of “sound” 5735 
DCX output stage mods 5735 
Very small minority of the folks… 5735 
Exactly zero I suspect. . . 5735 
DSP vs. Music vs. HT 5735 
10" array; how low? & SMS-1 distortion 5735 
Interesting: 10” vs. 15” 5735 
Multiples of the Same Rising Response Curve? 5735 
The crisis of perception. 5734 
Dynamic range of ULF, tsunami and something else. 5733 
The Circle Unbroken 5733 
I wonder… is it PP2000? 5717 
The ULF and PurePower 2000 5708 
ULF Channel and LP playback. 5651 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5649 
I do not have an opinion yet. 5649 
Imponderabilis Neurosis 5649 
Bass non-pathologic hallucination… 5649 
A new paradigm for ULF? 5649 
…a number of logical flaws… 5649 
MAD HATTER 5648 
Thinking about my lower bass 5628 
Has Schrödinger's cat moved in unnoticed? 5628 
Wrong. 5628 
Groove Echo 5628 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5627 
Listening help with ULF stimulator 5627 
The ULF debate: time-alignment 5625 
Trying to address the dilemma with lowest bass. 5624 
Rotary woofer for ULF? 5624 
I do not need a Rotary woofer, I need to be less Moron. 5624 
*** 5624 
Congrats 5623 
Getting some maturity with ULF 5622 
About ULF attenuation. 5621 
How is it implemented? 5621 
My implementation of ULF channel. 5621 
Further thoughts about ULF channel. 5620 
ULF 5620 
I would agree but… 5620 
The problem that that I see with my ULF 5620 
Loudspeaker Proximity Coupling in Midbass & ULF 5620 
Great rotary idea! 5620 
Brilliant analyses! 5620 
Going down with bass 5618 
Under FS 5618 
Ideal ULF/Midbass integration 5618 
My super smart room! 5618 
Erratum ( or errata if you insist) 5618 
The issue is a complex one and should not be addressed generically ... 5618 
Cost benefit analysis of midbass horns v/s compromised ULF 5618 
There is no cost-benefit analysis for this thing. 5618 
I will experiment. 5618 
Sometimes experiment is not just experiment. 5618 
One Bass Horn or Two – for Oxric 5617 
My ways to mimic Reality. 5617 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5617 
"the purpose of playing, whose end both at the first and now..." 5617 
No manuals for those things…. 5617 
More about Rotary ULF idea. 5612 
Phoenix Gold Cyclone 5612 
Passing the waves…. as usual.... 5608 
Drive ULF Amp from Midbass Amp Output 5607 
There is “something”… 5607 
I do not know what I deal with. 5606 
I want my ULF amp back. 5595 
ULF emergency: Big & nasty solutions 5594 
No-amplification time 5594 
Listening audio without ULF. 5593 
Ok, I got the bass amp… 5593 
How much power do I need for my ULF. 5583 
A True ULF - what an amassing tool!!! 5581 
Put Marchand Crossover into the game. 5577 
I begin to like my active crossover. 5565 
Line-level passive vs. active ULF filter 5563 
Hm, there is no way to escape the 4th order. 5563 
Phase butterfly effect. 5562 
Back to DSP? 5562 
What I am trying to accomplish. 5562 
The art of ULF volume adjustment. 5561 
Sitting on a fence with ULF 5559 
The overly-swallowable bass. 5552 
To deLamminate my ULF channel. 5551 
What a beautiful result!!! 5550 
Pipe Organ with 128' register in Augsburg, Germany 5544 
An absolute must for ULF channel. 5527 
The compartmentalized bass 5404 
Paralleled SET bass 5400 
A new concept of ULF channel. 5392 
Infinite baffle 5392 
A 4th order bandpass vibrator? 5392 
ULF idea, possibly stupid. 5391 
IB vs Horn 5391 
A Distributed Infinite Baffle? 5390 
"Tuning" the "IB" 5390 
Flip 90 degrees 5390 
Little bump and the elephant solutions 5390 
How to do THAT? 5389 
ULF from coffee table 5389 
The through-hole tapped horn. 5389 
25 hz at 6db? 5389 
ULF from the SledgeHammer 5389 
Why not really use the basement 5389 
Never say never 5389 
How good ULF needs to be? 5378 
How good the user needs to be? 5378 
Maybe . . . 5378 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5378 
Narrow [Band] Tuning (DSP?) 5378 
ULF-only Sound 5338 
An easy ULF solution for someone. 5330 
Red Grills 5330 
It is exactly what I would like to avoid. 5329 
So I took your advice 5271 
Ok, let me know how it goes. 5271 
The ULF amp Itch. 5257 
Here is an update for the old thread.... 2878 
Good highs 2878 
Marchand 1935 
What truly are you tryin to accomplish? 1935 
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