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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. 5774 
A mono LF channel – I do not like it. 5770 
LF Results 5770 
The size maters 5769 
Response Curve 5769 
ULF placement and power 5769 
Wishful thinking and the Maelstrom-21 5769 
I will need a direct radiator under the bottom… 5769 
ULF experience: Drivers & power considerations cont'd 5768 
To experiment during the New England winter 5768 
Pitching pitch 5768 
There are many key points…. 5768 
A first true bass test 5752 
Actually…. 5752 
Best place lost? 5747 
Best location for bass, where art thou? 5747 
What to expect from ULF channel? 5731 
OK, it is something. 5730 
The new ULF scenario experiments. 5723 
Time coherence of ULF - my experience 5723 
Placement of ULF #2 5723 
Why I like the like the location #1 5723 
I need to find another ULF solution. 5715 
Ceiling subs 5714 
The infinite baffle shall be a very good solution. 5714 
This morning I woke up horny 5714 
Dsp 5714 
Parametric filters 5713 
SMS 1, Act II 5713 
I think I have found the problem with my ULF 5713 
SMS distortion issue? 5713 
At 30Hz of high order there are not truly tone” of “sound” 5713 
DCX output stage mods 5713 
Very small minority of the folks… 5713 
Exactly zero I suspect. . . 5713 
DSP vs. Music vs. HT 5713 
10" array; how low? & SMS-1 distortion 5713 
Interesting: 10” vs. 15” 5713 
Multiples of the Same Rising Response Curve? 5713 
The crisis of perception. 5712 
Dynamic range of ULF, tsunami and something else. 5711 
The Circle Unbroken 5711 
I wonder… is it PP2000? 5695 
The ULF and PurePower 2000 5686 
ULF Channel and LP playback. 5629 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5627 
I do not have an opinion yet. 5627 
Imponderabilis Neurosis 5627 
Bass non-pathologic hallucination… 5627 
A new paradigm for ULF? 5627 
…a number of logical flaws… 5627 
MAD HATTER 5626 
Thinking about my lower bass 5606 
Has Schrödinger's cat moved in unnoticed? 5606 
Wrong. 5606 
Groove Echo 5606 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5605 
Listening help with ULF stimulator 5605 
The ULF debate: time-alignment 5603 
Trying to address the dilemma with lowest bass. 5602 
Rotary woofer for ULF? 5602 
I do not need a Rotary woofer, I need to be less Moron. 5602 
*** 5602 
Congrats 5601 
Getting some maturity with ULF 5600 
About ULF attenuation. 5599 
How is it implemented? 5599 
My implementation of ULF channel. 5599 
Further thoughts about ULF channel. 5598 
ULF 5598 
I would agree but… 5598 
The problem that that I see with my ULF 5598 
Loudspeaker Proximity Coupling in Midbass & ULF 5598 
Great rotary idea! 5598 
Brilliant analyses! 5598 
Going down with bass 5596 
Under FS 5596 
Ideal ULF/Midbass integration 5596 
My super smart room! 5596 
Erratum ( or errata if you insist) 5596 
The issue is a complex one and should not be addressed generically ... 5596 
Cost benefit analysis of midbass horns v/s compromised ULF 5596 
There is no cost-benefit analysis for this thing. 5596 
I will experiment. 5596 
Sometimes experiment is not just experiment. 5596 
One Bass Horn or Two – for Oxric 5595 
My ways to mimic Reality. 5595 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5595 
"the purpose of playing, whose end both at the first and now..." 5595 
No manuals for those things…. 5595 
More about Rotary ULF idea. 5590 
Phoenix Gold Cyclone 5590 
Passing the waves…. as usual.... 5586 
Drive ULF Amp from Midbass Amp Output 5585 
There is “something”… 5585 
I do not know what I deal with. 5584 
I want my ULF amp back. 5573 
ULF emergency: Big & nasty solutions 5572 
No-amplification time 5572 
Listening audio without ULF. 5571 
Ok, I got the bass amp… 5571 
How much power do I need for my ULF. 5561 
A True ULF - what an amassing tool!!! 5559 
Put Marchand Crossover into the game. 5555 
I begin to like my active crossover. 5543 
Line-level passive vs. active ULF filter 5541 
Hm, there is no way to escape the 4th order. 5541 
Phase butterfly effect. 5540 
Back to DSP? 5540 
What I am trying to accomplish. 5540 
The art of ULF volume adjustment. 5539 
Sitting on a fence with ULF 5537 
The overly-swallowable bass. 5530 
To deLamminate my ULF channel. 5529 
What a beautiful result!!! 5528 
Pipe Organ with 128' register in Augsburg, Germany 5522 
An absolute must for ULF channel. 5505 
The compartmentalized bass 5382 
Paralleled SET bass 5378 
A new concept of ULF channel. 5370 
Infinite baffle 5370 
A 4th order bandpass vibrator? 5370 
ULF idea, possibly stupid. 5369 
IB vs Horn 5369 
A Distributed Infinite Baffle? 5368 
"Tuning" the "IB" 5368 
Flip 90 degrees 5368 
Little bump and the elephant solutions 5368 
How to do THAT? 5367 
ULF from coffee table 5367 
The through-hole tapped horn. 5367 
25 hz at 6db? 5367 
ULF from the SledgeHammer 5367 
Why not really use the basement 5367 
Never say never 5367 
How good ULF needs to be? 5356 
How good the user needs to be? 5356 
Maybe . . . 5356 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5356 
Narrow [Band] Tuning (DSP?) 5356 
ULF-only Sound 5316 
An easy ULF solution for someone. 5308 
Red Grills 5308 
It is exactly what I would like to avoid. 5307 
So I took your advice 5249 
Ok, let me know how it goes. 5249 
The ULF amp Itch. 5235 
Here is an update for the old thread.... 2856 
Good highs 2856 
Marchand 1913 
What truly are you tryin to accomplish? 1913 
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