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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. 5761 
A mono LF channel – I do not like it. 5757 
LF Results 5757 
The size maters 5756 
Response Curve 5756 
ULF placement and power 5756 
Wishful thinking and the Maelstrom-21 5756 
I will need a direct radiator under the bottom… 5756 
ULF experience: Drivers & power considerations cont'd 5755 
To experiment during the New England winter 5755 
Pitching pitch 5755 
There are many key points…. 5755 
A first true bass test 5739 
Actually…. 5739 
Best place lost? 5734 
Best location for bass, where art thou? 5734 
What to expect from ULF channel? 5718 
OK, it is something. 5717 
The new ULF scenario experiments. 5710 
Time coherence of ULF - my experience 5710 
Placement of ULF #2 5710 
Why I like the like the location #1 5710 
I need to find another ULF solution. 5702 
Ceiling subs 5701 
The infinite baffle shall be a very good solution. 5701 
This morning I woke up horny 5701 
Dsp 5701 
Parametric filters 5700 
SMS 1, Act II 5700 
I think I have found the problem with my ULF 5700 
SMS distortion issue? 5700 
At 30Hz of high order there are not truly tone” of “sound” 5700 
DCX output stage mods 5700 
Very small minority of the folks… 5700 
Exactly zero I suspect. . . 5700 
DSP vs. Music vs. HT 5700 
10" array; how low? & SMS-1 distortion 5700 
Interesting: 10” vs. 15” 5700 
Multiples of the Same Rising Response Curve? 5700 
The crisis of perception. 5699 
Dynamic range of ULF, tsunami and something else. 5698 
The Circle Unbroken 5698 
I wonder… is it PP2000? 5682 
The ULF and PurePower 2000 5673 
ULF Channel and LP playback. 5616 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5614 
I do not have an opinion yet. 5614 
Imponderabilis Neurosis 5614 
Bass non-pathologic hallucination… 5614 
A new paradigm for ULF? 5614 
…a number of logical flaws… 5614 
MAD HATTER 5613 
Thinking about my lower bass 5593 
Has Schrödinger's cat moved in unnoticed? 5593 
Wrong. 5593 
Groove Echo 5593 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5592 
Listening help with ULF stimulator 5592 
The ULF debate: time-alignment 5590 
Trying to address the dilemma with lowest bass. 5589 
Rotary woofer for ULF? 5589 
I do not need a Rotary woofer, I need to be less Moron. 5589 
*** 5589 
Congrats 5588 
Getting some maturity with ULF 5587 
About ULF attenuation. 5586 
How is it implemented? 5586 
My implementation of ULF channel. 5586 
Further thoughts about ULF channel. 5585 
ULF 5585 
I would agree but… 5585 
The problem that that I see with my ULF 5585 
Loudspeaker Proximity Coupling in Midbass & ULF 5585 
Great rotary idea! 5585 
Brilliant analyses! 5585 
Going down with bass 5583 
Under FS 5583 
Ideal ULF/Midbass integration 5583 
My super smart room! 5583 
Erratum ( or errata if you insist) 5583 
The issue is a complex one and should not be addressed generically ... 5583 
Cost benefit analysis of midbass horns v/s compromised ULF 5583 
There is no cost-benefit analysis for this thing. 5583 
I will experiment. 5583 
Sometimes experiment is not just experiment. 5583 
One Bass Horn or Two – for Oxric 5582 
My ways to mimic Reality. 5582 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5582 
"the purpose of playing, whose end both at the first and now..." 5582 
No manuals for those things…. 5582 
More about Rotary ULF idea. 5577 
Phoenix Gold Cyclone 5577 
Passing the waves…. as usual.... 5573 
Drive ULF Amp from Midbass Amp Output 5572 
There is “something”… 5572 
I do not know what I deal with. 5571 
I want my ULF amp back. 5560 
ULF emergency: Big & nasty solutions 5559 
No-amplification time 5559 
Listening audio without ULF. 5558 
Ok, I got the bass amp… 5558 
How much power do I need for my ULF. 5548 
A True ULF - what an amassing tool!!! 5546 
Put Marchand Crossover into the game. 5542 
I begin to like my active crossover. 5530 
Line-level passive vs. active ULF filter 5528 
Hm, there is no way to escape the 4th order. 5528 
Phase butterfly effect. 5527 
Back to DSP? 5527 
What I am trying to accomplish. 5527 
The art of ULF volume adjustment. 5526 
Sitting on a fence with ULF 5524 
The overly-swallowable bass. 5517 
To deLamminate my ULF channel. 5516 
What a beautiful result!!! 5515 
Pipe Organ with 128' register in Augsburg, Germany 5509 
An absolute must for ULF channel. 5492 
The compartmentalized bass 5369 
Paralleled SET bass 5365 
A new concept of ULF channel. 5357 
Infinite baffle 5357 
A 4th order bandpass vibrator? 5357 
ULF idea, possibly stupid. 5356 
IB vs Horn 5356 
A Distributed Infinite Baffle? 5355 
"Tuning" the "IB" 5355 
Flip 90 degrees 5355 
Little bump and the elephant solutions 5355 
How to do THAT? 5354 
ULF from coffee table 5354 
The through-hole tapped horn. 5354 
25 hz at 6db? 5354 
ULF from the SledgeHammer 5354 
Why not really use the basement 5354 
Never say never 5354 
How good ULF needs to be? 5343 
How good the user needs to be? 5343 
Maybe . . . 5343 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5343 
Narrow [Band] Tuning (DSP?) 5343 
ULF-only Sound 5303 
An easy ULF solution for someone. 5295 
Red Grills 5295 
It is exactly what I would like to avoid. 5294 
So I took your advice 5236 
Ok, let me know how it goes. 5236 
The ULF amp Itch. 5222 
Here is an update for the old thread.... 2843 
Good highs 2843 
Marchand 1900 
What truly are you tryin to accomplish? 1900 
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