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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. 5730 
A mono LF channel – I do not like it. 5726 
LF Results 5726 
The size maters 5725 
Response Curve 5725 
ULF placement and power 5725 
Wishful thinking and the Maelstrom-21 5725 
I will need a direct radiator under the bottom… 5725 
ULF experience: Drivers & power considerations cont'd 5724 
To experiment during the New England winter 5724 
Pitching pitch 5724 
There are many key points…. 5724 
A first true bass test 5708 
Actually…. 5708 
Best place lost? 5703 
Best location for bass, where art thou? 5703 
What to expect from ULF channel? 5687 
OK, it is something. 5686 
The new ULF scenario experiments. 5679 
Time coherence of ULF - my experience 5679 
Placement of ULF #2 5679 
Why I like the like the location #1 5679 
I need to find another ULF solution. 5671 
Ceiling subs 5670 
The infinite baffle shall be a very good solution. 5670 
This morning I woke up horny 5670 
Dsp 5670 
Parametric filters 5669 
SMS 1, Act II 5669 
I think I have found the problem with my ULF 5669 
SMS distortion issue? 5669 
At 30Hz of high order there are not truly tone” of “sound” 5669 
DCX output stage mods 5669 
Very small minority of the folks… 5669 
Exactly zero I suspect. . . 5669 
DSP vs. Music vs. HT 5669 
10" array; how low? & SMS-1 distortion 5669 
Interesting: 10” vs. 15” 5669 
Multiples of the Same Rising Response Curve? 5669 
The crisis of perception. 5668 
Dynamic range of ULF, tsunami and something else. 5667 
The Circle Unbroken 5667 
I wonder… is it PP2000? 5651 
The ULF and PurePower 2000 5642 
ULF Channel and LP playback. 5585 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5583 
I do not have an opinion yet. 5583 
Imponderabilis Neurosis 5583 
Bass non-pathologic hallucination… 5583 
A new paradigm for ULF? 5583 
…a number of logical flaws… 5583 
MAD HATTER 5582 
Thinking about my lower bass 5562 
Has Schrödinger's cat moved in unnoticed? 5562 
Wrong. 5562 
Groove Echo 5562 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5561 
Listening help with ULF stimulator 5561 
The ULF debate: time-alignment 5559 
Trying to address the dilemma with lowest bass. 5558 
Rotary woofer for ULF? 5558 
I do not need a Rotary woofer, I need to be less Moron. 5558 
*** 5558 
Congrats 5557 
Getting some maturity with ULF 5556 
About ULF attenuation. 5555 
How is it implemented? 5555 
My implementation of ULF channel. 5555 
Further thoughts about ULF channel. 5554 
ULF 5554 
I would agree but… 5554 
The problem that that I see with my ULF 5554 
Loudspeaker Proximity Coupling in Midbass & ULF 5554 
Great rotary idea! 5554 
Brilliant analyses! 5554 
Going down with bass 5552 
Under FS 5552 
Ideal ULF/Midbass integration 5552 
My super smart room! 5552 
Erratum ( or errata if you insist) 5552 
The issue is a complex one and should not be addressed generically ... 5552 
Cost benefit analysis of midbass horns v/s compromised ULF 5552 
There is no cost-benefit analysis for this thing. 5552 
I will experiment. 5552 
Sometimes experiment is not just experiment. 5552 
One Bass Horn or Two – for Oxric 5551 
My ways to mimic Reality. 5551 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5551 
"the purpose of playing, whose end both at the first and now..." 5551 
No manuals for those things…. 5551 
More about Rotary ULF idea. 5546 
Phoenix Gold Cyclone 5546 
Passing the waves…. as usual.... 5542 
Drive ULF Amp from Midbass Amp Output 5541 
There is “something”… 5541 
I do not know what I deal with. 5540 
I want my ULF amp back. 5529 
ULF emergency: Big & nasty solutions 5528 
No-amplification time 5528 
Listening audio without ULF. 5527 
Ok, I got the bass amp… 5527 
How much power do I need for my ULF. 5517 
A True ULF - what an amassing tool!!! 5515 
Put Marchand Crossover into the game. 5511 
I begin to like my active crossover. 5499 
Line-level passive vs. active ULF filter 5497 
Hm, there is no way to escape the 4th order. 5497 
Phase butterfly effect. 5496 
Back to DSP? 5496 
What I am trying to accomplish. 5496 
The art of ULF volume adjustment. 5495 
Sitting on a fence with ULF 5493 
The overly-swallowable bass. 5486 
To deLamminate my ULF channel. 5485 
What a beautiful result!!! 5484 
Pipe Organ with 128' register in Augsburg, Germany 5478 
An absolute must for ULF channel. 5461 
The compartmentalized bass 5338 
Paralleled SET bass 5334 
A new concept of ULF channel. 5326 
Infinite baffle 5326 
A 4th order bandpass vibrator? 5326 
ULF idea, possibly stupid. 5325 
IB vs Horn 5325 
A Distributed Infinite Baffle? 5324 
"Tuning" the "IB" 5324 
Flip 90 degrees 5324 
Little bump and the elephant solutions 5324 
How to do THAT? 5323 
ULF from coffee table 5323 
The through-hole tapped horn. 5323 
25 hz at 6db? 5323 
ULF from the SledgeHammer 5323 
Why not really use the basement 5323 
Never say never 5323 
How good ULF needs to be? 5312 
How good the user needs to be? 5312 
Maybe . . . 5312 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5312 
Narrow [Band] Tuning (DSP?) 5312 
ULF-only Sound 5272 
An easy ULF solution for someone. 5264 
Red Grills 5264 
It is exactly what I would like to avoid. 5263 
So I took your advice 5205 
Ok, let me know how it goes. 5205 
The ULF amp Itch. 5191 
Here is an update for the old thread.... 2812 
Good highs 2812 
Marchand 1869 
What truly are you tryin to accomplish? 1869 
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