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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. 5762 
A mono LF channel – I do not like it. 5758 
LF Results 5758 
The size maters 5757 
Response Curve 5757 
ULF placement and power 5757 
Wishful thinking and the Maelstrom-21 5757 
I will need a direct radiator under the bottom… 5757 
ULF experience: Drivers & power considerations cont'd 5756 
To experiment during the New England winter 5756 
Pitching pitch 5756 
There are many key points…. 5756 
A first true bass test 5740 
Actually…. 5740 
Best place lost? 5735 
Best location for bass, where art thou? 5735 
What to expect from ULF channel? 5719 
OK, it is something. 5718 
The new ULF scenario experiments. 5711 
Time coherence of ULF - my experience 5711 
Placement of ULF #2 5711 
Why I like the like the location #1 5711 
I need to find another ULF solution. 5703 
Ceiling subs 5702 
The infinite baffle shall be a very good solution. 5702 
This morning I woke up horny 5702 
Dsp 5702 
Parametric filters 5701 
SMS 1, Act II 5701 
I think I have found the problem with my ULF 5701 
SMS distortion issue? 5701 
At 30Hz of high order there are not truly tone” of “sound” 5701 
DCX output stage mods 5701 
Very small minority of the folks… 5701 
Exactly zero I suspect. . . 5701 
DSP vs. Music vs. HT 5701 
10" array; how low? & SMS-1 distortion 5701 
Interesting: 10” vs. 15” 5701 
Multiples of the Same Rising Response Curve? 5701 
The crisis of perception. 5700 
Dynamic range of ULF, tsunami and something else. 5699 
The Circle Unbroken 5699 
I wonder… is it PP2000? 5683 
The ULF and PurePower 2000 5674 
ULF Channel and LP playback. 5617 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5615 
I do not have an opinion yet. 5615 
Imponderabilis Neurosis 5615 
Bass non-pathologic hallucination… 5615 
A new paradigm for ULF? 5615 
…a number of logical flaws… 5615 
MAD HATTER 5614 
Thinking about my lower bass 5594 
Has Schrödinger's cat moved in unnoticed? 5594 
Wrong. 5594 
Groove Echo 5594 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5593 
Listening help with ULF stimulator 5593 
The ULF debate: time-alignment 5591 
Trying to address the dilemma with lowest bass. 5590 
Rotary woofer for ULF? 5590 
I do not need a Rotary woofer, I need to be less Moron. 5590 
*** 5590 
Congrats 5589 
Getting some maturity with ULF 5588 
About ULF attenuation. 5587 
How is it implemented? 5587 
My implementation of ULF channel. 5587 
Further thoughts about ULF channel. 5586 
ULF 5586 
I would agree but… 5586 
The problem that that I see with my ULF 5586 
Loudspeaker Proximity Coupling in Midbass & ULF 5586 
Great rotary idea! 5586 
Brilliant analyses! 5586 
Going down with bass 5584 
Under FS 5584 
Ideal ULF/Midbass integration 5584 
My super smart room! 5584 
Erratum ( or errata if you insist) 5584 
The issue is a complex one and should not be addressed generically ... 5584 
Cost benefit analysis of midbass horns v/s compromised ULF 5584 
There is no cost-benefit analysis for this thing. 5584 
I will experiment. 5584 
Sometimes experiment is not just experiment. 5584 
One Bass Horn or Two – for Oxric 5583 
My ways to mimic Reality. 5583 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5583 
"the purpose of playing, whose end both at the first and now..." 5583 
No manuals for those things…. 5583 
More about Rotary ULF idea. 5578 
Phoenix Gold Cyclone 5578 
Passing the waves…. as usual.... 5574 
Drive ULF Amp from Midbass Amp Output 5573 
There is “something”… 5573 
I do not know what I deal with. 5572 
I want my ULF amp back. 5561 
ULF emergency: Big & nasty solutions 5560 
No-amplification time 5560 
Listening audio without ULF. 5559 
Ok, I got the bass amp… 5559 
How much power do I need for my ULF. 5549 
A True ULF - what an amassing tool!!! 5547 
Put Marchand Crossover into the game. 5543 
I begin to like my active crossover. 5531 
Line-level passive vs. active ULF filter 5529 
Hm, there is no way to escape the 4th order. 5529 
Phase butterfly effect. 5528 
Back to DSP? 5528 
What I am trying to accomplish. 5528 
The art of ULF volume adjustment. 5527 
Sitting on a fence with ULF 5525 
The overly-swallowable bass. 5518 
To deLamminate my ULF channel. 5517 
What a beautiful result!!! 5516 
Pipe Organ with 128' register in Augsburg, Germany 5510 
An absolute must for ULF channel. 5493 
The compartmentalized bass 5370 
Paralleled SET bass 5366 
A new concept of ULF channel. 5358 
Infinite baffle 5358 
A 4th order bandpass vibrator? 5358 
ULF idea, possibly stupid. 5357 
IB vs Horn 5357 
A Distributed Infinite Baffle? 5356 
"Tuning" the "IB" 5356 
Flip 90 degrees 5356 
Little bump and the elephant solutions 5356 
How to do THAT? 5355 
ULF from coffee table 5355 
The through-hole tapped horn. 5355 
25 hz at 6db? 5355 
ULF from the SledgeHammer 5355 
Why not really use the basement 5355 
Never say never 5355 
How good ULF needs to be? 5344 
How good the user needs to be? 5344 
Maybe . . . 5344 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5344 
Narrow [Band] Tuning (DSP?) 5344 
ULF-only Sound 5304 
An easy ULF solution for someone. 5296 
Red Grills 5296 
It is exactly what I would like to avoid. 5295 
So I took your advice 5237 
Ok, let me know how it goes. 5237 
The ULF amp Itch. 5223 
Here is an update for the old thread.... 2844 
Good highs 2844 
Marchand 1901 
What truly are you tryin to accomplish? 1901 
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