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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. 5755 
A mono LF channel – I do not like it. 5751 
LF Results 5751 
The size maters 5750 
Response Curve 5750 
ULF placement and power 5750 
Wishful thinking and the Maelstrom-21 5750 
I will need a direct radiator under the bottom… 5750 
ULF experience: Drivers & power considerations cont'd 5749 
To experiment during the New England winter 5749 
Pitching pitch 5749 
There are many key points…. 5749 
A first true bass test 5733 
Actually…. 5733 
Best place lost? 5728 
Best location for bass, where art thou? 5728 
What to expect from ULF channel? 5712 
OK, it is something. 5711 
The new ULF scenario experiments. 5704 
Time coherence of ULF - my experience 5704 
Placement of ULF #2 5704 
Why I like the like the location #1 5704 
I need to find another ULF solution. 5696 
Ceiling subs 5695 
The infinite baffle shall be a very good solution. 5695 
This morning I woke up horny 5695 
Dsp 5695 
Parametric filters 5694 
SMS 1, Act II 5694 
I think I have found the problem with my ULF 5694 
SMS distortion issue? 5694 
At 30Hz of high order there are not truly tone” of “sound” 5694 
DCX output stage mods 5694 
Very small minority of the folks… 5694 
Exactly zero I suspect. . . 5694 
DSP vs. Music vs. HT 5694 
10" array; how low? & SMS-1 distortion 5694 
Interesting: 10” vs. 15” 5694 
Multiples of the Same Rising Response Curve? 5694 
The crisis of perception. 5693 
Dynamic range of ULF, tsunami and something else. 5692 
The Circle Unbroken 5692 
I wonder… is it PP2000? 5676 
The ULF and PurePower 2000 5667 
ULF Channel and LP playback. 5610 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5608 
I do not have an opinion yet. 5608 
Imponderabilis Neurosis 5608 
Bass non-pathologic hallucination… 5608 
A new paradigm for ULF? 5608 
…a number of logical flaws… 5608 
MAD HATTER 5607 
Thinking about my lower bass 5587 
Has Schrödinger's cat moved in unnoticed? 5587 
Wrong. 5587 
Groove Echo 5587 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5586 
Listening help with ULF stimulator 5586 
The ULF debate: time-alignment 5584 
Trying to address the dilemma with lowest bass. 5583 
Rotary woofer for ULF? 5583 
I do not need a Rotary woofer, I need to be less Moron. 5583 
*** 5583 
Congrats 5582 
Getting some maturity with ULF 5581 
About ULF attenuation. 5580 
How is it implemented? 5580 
My implementation of ULF channel. 5580 
Further thoughts about ULF channel. 5579 
ULF 5579 
I would agree but… 5579 
The problem that that I see with my ULF 5579 
Loudspeaker Proximity Coupling in Midbass & ULF 5579 
Great rotary idea! 5579 
Brilliant analyses! 5579 
Going down with bass 5577 
Under FS 5577 
Ideal ULF/Midbass integration 5577 
My super smart room! 5577 
Erratum ( or errata if you insist) 5577 
The issue is a complex one and should not be addressed generically ... 5577 
Cost benefit analysis of midbass horns v/s compromised ULF 5577 
There is no cost-benefit analysis for this thing. 5577 
I will experiment. 5577 
Sometimes experiment is not just experiment. 5577 
One Bass Horn or Two – for Oxric 5576 
My ways to mimic Reality. 5576 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5576 
"the purpose of playing, whose end both at the first and now..." 5576 
No manuals for those things…. 5576 
More about Rotary ULF idea. 5571 
Phoenix Gold Cyclone 5571 
Passing the waves…. as usual.... 5567 
Drive ULF Amp from Midbass Amp Output 5566 
There is “something”… 5566 
I do not know what I deal with. 5565 
I want my ULF amp back. 5554 
ULF emergency: Big & nasty solutions 5553 
No-amplification time 5553 
Listening audio without ULF. 5552 
Ok, I got the bass amp… 5552 
How much power do I need for my ULF. 5542 
A True ULF - what an amassing tool!!! 5540 
Put Marchand Crossover into the game. 5536 
I begin to like my active crossover. 5524 
Line-level passive vs. active ULF filter 5522 
Hm, there is no way to escape the 4th order. 5522 
Phase butterfly effect. 5521 
Back to DSP? 5521 
What I am trying to accomplish. 5521 
The art of ULF volume adjustment. 5520 
Sitting on a fence with ULF 5518 
The overly-swallowable bass. 5511 
To deLamminate my ULF channel. 5510 
What a beautiful result!!! 5509 
Pipe Organ with 128' register in Augsburg, Germany 5503 
An absolute must for ULF channel. 5486 
The compartmentalized bass 5363 
Paralleled SET bass 5359 
A new concept of ULF channel. 5351 
Infinite baffle 5351 
A 4th order bandpass vibrator? 5351 
ULF idea, possibly stupid. 5350 
IB vs Horn 5350 
A Distributed Infinite Baffle? 5349 
"Tuning" the "IB" 5349 
Flip 90 degrees 5349 
Little bump and the elephant solutions 5349 
How to do THAT? 5348 
ULF from coffee table 5348 
The through-hole tapped horn. 5348 
25 hz at 6db? 5348 
ULF from the SledgeHammer 5348 
Why not really use the basement 5348 
Never say never 5348 
How good ULF needs to be? 5337 
How good the user needs to be? 5337 
Maybe . . . 5337 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5337 
Narrow [Band] Tuning (DSP?) 5337 
ULF-only Sound 5297 
An easy ULF solution for someone. 5289 
Red Grills 5289 
It is exactly what I would like to avoid. 5288 
So I took your advice 5230 
Ok, let me know how it goes. 5230 
The ULF amp Itch. 5216 
Here is an update for the old thread.... 2837 
Good highs 2837 
Marchand 1894 
What truly are you tryin to accomplish? 1894 
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