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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. 5778 
A mono LF channel – I do not like it. 5774 
LF Results 5774 
The size maters 5773 
Response Curve 5773 
ULF placement and power 5773 
Wishful thinking and the Maelstrom-21 5773 
I will need a direct radiator under the bottom… 5773 
ULF experience: Drivers & power considerations cont'd 5772 
To experiment during the New England winter 5772 
Pitching pitch 5772 
There are many key points…. 5772 
A first true bass test 5756 
Actually…. 5756 
Best place lost? 5751 
Best location for bass, where art thou? 5751 
What to expect from ULF channel? 5735 
OK, it is something. 5734 
The new ULF scenario experiments. 5727 
Time coherence of ULF - my experience 5727 
Placement of ULF #2 5727 
Why I like the like the location #1 5727 
I need to find another ULF solution. 5719 
Ceiling subs 5718 
The infinite baffle shall be a very good solution. 5718 
This morning I woke up horny 5718 
Dsp 5718 
Parametric filters 5717 
SMS 1, Act II 5717 
I think I have found the problem with my ULF 5717 
SMS distortion issue? 5717 
At 30Hz of high order there are not truly tone” of “sound” 5717 
DCX output stage mods 5717 
Very small minority of the folks… 5717 
Exactly zero I suspect. . . 5717 
DSP vs. Music vs. HT 5717 
10" array; how low? & SMS-1 distortion 5717 
Interesting: 10” vs. 15” 5717 
Multiples of the Same Rising Response Curve? 5717 
The crisis of perception. 5716 
Dynamic range of ULF, tsunami and something else. 5715 
The Circle Unbroken 5715 
I wonder… is it PP2000? 5699 
The ULF and PurePower 2000 5690 
ULF Channel and LP playback. 5633 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5631 
I do not have an opinion yet. 5631 
Imponderabilis Neurosis 5631 
Bass non-pathologic hallucination… 5631 
A new paradigm for ULF? 5631 
…a number of logical flaws… 5631 
MAD HATTER 5630 
Thinking about my lower bass 5610 
Has Schrödinger's cat moved in unnoticed? 5610 
Wrong. 5610 
Groove Echo 5610 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5609 
Listening help with ULF stimulator 5609 
The ULF debate: time-alignment 5607 
Trying to address the dilemma with lowest bass. 5606 
Rotary woofer for ULF? 5606 
I do not need a Rotary woofer, I need to be less Moron. 5606 
*** 5606 
Congrats 5605 
Getting some maturity with ULF 5604 
About ULF attenuation. 5603 
How is it implemented? 5603 
My implementation of ULF channel. 5603 
Further thoughts about ULF channel. 5602 
ULF 5602 
I would agree but… 5602 
The problem that that I see with my ULF 5602 
Loudspeaker Proximity Coupling in Midbass & ULF 5602 
Great rotary idea! 5602 
Brilliant analyses! 5602 
Going down with bass 5600 
Under FS 5600 
Ideal ULF/Midbass integration 5600 
My super smart room! 5600 
Erratum ( or errata if you insist) 5600 
The issue is a complex one and should not be addressed generically ... 5600 
Cost benefit analysis of midbass horns v/s compromised ULF 5600 
There is no cost-benefit analysis for this thing. 5600 
I will experiment. 5600 
Sometimes experiment is not just experiment. 5600 
One Bass Horn or Two – for Oxric 5599 
My ways to mimic Reality. 5599 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5599 
"the purpose of playing, whose end both at the first and now..." 5599 
No manuals for those things…. 5599 
More about Rotary ULF idea. 5594 
Phoenix Gold Cyclone 5594 
Passing the waves…. as usual.... 5590 
Drive ULF Amp from Midbass Amp Output 5589 
There is “something”… 5589 
I do not know what I deal with. 5588 
I want my ULF amp back. 5577 
ULF emergency: Big & nasty solutions 5576 
No-amplification time 5576 
Listening audio without ULF. 5575 
Ok, I got the bass amp… 5575 
How much power do I need for my ULF. 5565 
A True ULF - what an amassing tool!!! 5563 
Put Marchand Crossover into the game. 5559 
I begin to like my active crossover. 5547 
Line-level passive vs. active ULF filter 5545 
Hm, there is no way to escape the 4th order. 5545 
Phase butterfly effect. 5544 
Back to DSP? 5544 
What I am trying to accomplish. 5544 
The art of ULF volume adjustment. 5543 
Sitting on a fence with ULF 5541 
The overly-swallowable bass. 5534 
To deLamminate my ULF channel. 5533 
What a beautiful result!!! 5532 
Pipe Organ with 128' register in Augsburg, Germany 5526 
An absolute must for ULF channel. 5509 
The compartmentalized bass 5386 
Paralleled SET bass 5382 
A new concept of ULF channel. 5374 
Infinite baffle 5374 
A 4th order bandpass vibrator? 5374 
ULF idea, possibly stupid. 5373 
IB vs Horn 5373 
A Distributed Infinite Baffle? 5372 
"Tuning" the "IB" 5372 
Flip 90 degrees 5372 
Little bump and the elephant solutions 5372 
How to do THAT? 5371 
ULF from coffee table 5371 
The through-hole tapped horn. 5371 
25 hz at 6db? 5371 
ULF from the SledgeHammer 5371 
Why not really use the basement 5371 
Never say never 5371 
How good ULF needs to be? 5360 
How good the user needs to be? 5360 
Maybe . . . 5360 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5360 
Narrow [Band] Tuning (DSP?) 5360 
ULF-only Sound 5320 
An easy ULF solution for someone. 5312 
Red Grills 5312 
It is exactly what I would like to avoid. 5311 
So I took your advice 5253 
Ok, let me know how it goes. 5253 
The ULF amp Itch. 5239 
Here is an update for the old thread.... 2860 
Good highs 2860 
Marchand 1917 
What truly are you tryin to accomplish? 1917 
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