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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. 5780 
A mono LF channel – I do not like it. 5776 
LF Results 5776 
The size maters 5775 
Response Curve 5775 
ULF placement and power 5775 
Wishful thinking and the Maelstrom-21 5775 
I will need a direct radiator under the bottom… 5775 
ULF experience: Drivers & power considerations cont'd 5774 
To experiment during the New England winter 5774 
Pitching pitch 5774 
There are many key points…. 5774 
A first true bass test 5758 
Actually…. 5758 
Best place lost? 5753 
Best location for bass, where art thou? 5753 
What to expect from ULF channel? 5737 
OK, it is something. 5736 
The new ULF scenario experiments. 5729 
Time coherence of ULF - my experience 5729 
Placement of ULF #2 5729 
Why I like the like the location #1 5729 
I need to find another ULF solution. 5721 
Ceiling subs 5720 
The infinite baffle shall be a very good solution. 5720 
This morning I woke up horny 5720 
Dsp 5720 
Parametric filters 5719 
SMS 1, Act II 5719 
I think I have found the problem with my ULF 5719 
SMS distortion issue? 5719 
At 30Hz of high order there are not truly tone” of “sound” 5719 
DCX output stage mods 5719 
Very small minority of the folks… 5719 
Exactly zero I suspect. . . 5719 
DSP vs. Music vs. HT 5719 
10" array; how low? & SMS-1 distortion 5719 
Interesting: 10” vs. 15” 5719 
Multiples of the Same Rising Response Curve? 5719 
The crisis of perception. 5718 
Dynamic range of ULF, tsunami and something else. 5717 
The Circle Unbroken 5717 
I wonder… is it PP2000? 5701 
The ULF and PurePower 2000 5692 
ULF Channel and LP playback. 5635 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5633 
I do not have an opinion yet. 5633 
Imponderabilis Neurosis 5633 
Bass non-pathologic hallucination… 5633 
A new paradigm for ULF? 5633 
…a number of logical flaws… 5633 
MAD HATTER 5632 
Thinking about my lower bass 5612 
Has Schrödinger's cat moved in unnoticed? 5612 
Wrong. 5612 
Groove Echo 5612 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5611 
Listening help with ULF stimulator 5611 
The ULF debate: time-alignment 5609 
Trying to address the dilemma with lowest bass. 5608 
Rotary woofer for ULF? 5608 
I do not need a Rotary woofer, I need to be less Moron. 5608 
*** 5608 
Congrats 5607 
Getting some maturity with ULF 5606 
About ULF attenuation. 5605 
How is it implemented? 5605 
My implementation of ULF channel. 5605 
Further thoughts about ULF channel. 5604 
ULF 5604 
I would agree but… 5604 
The problem that that I see with my ULF 5604 
Loudspeaker Proximity Coupling in Midbass & ULF 5604 
Great rotary idea! 5604 
Brilliant analyses! 5604 
Going down with bass 5602 
Under FS 5602 
Ideal ULF/Midbass integration 5602 
My super smart room! 5602 
Erratum ( or errata if you insist) 5602 
The issue is a complex one and should not be addressed generically ... 5602 
Cost benefit analysis of midbass horns v/s compromised ULF 5602 
There is no cost-benefit analysis for this thing. 5602 
I will experiment. 5602 
Sometimes experiment is not just experiment. 5602 
One Bass Horn or Two – for Oxric 5601 
My ways to mimic Reality. 5601 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5601 
"the purpose of playing, whose end both at the first and now..." 5601 
No manuals for those things…. 5601 
More about Rotary ULF idea. 5596 
Phoenix Gold Cyclone 5596 
Passing the waves…. as usual.... 5592 
Drive ULF Amp from Midbass Amp Output 5591 
There is “something”… 5591 
I do not know what I deal with. 5590 
I want my ULF amp back. 5579 
ULF emergency: Big & nasty solutions 5578 
No-amplification time 5578 
Listening audio without ULF. 5577 
Ok, I got the bass amp… 5577 
How much power do I need for my ULF. 5567 
A True ULF - what an amassing tool!!! 5565 
Put Marchand Crossover into the game. 5561 
I begin to like my active crossover. 5549 
Line-level passive vs. active ULF filter 5547 
Hm, there is no way to escape the 4th order. 5547 
Phase butterfly effect. 5546 
Back to DSP? 5546 
What I am trying to accomplish. 5546 
The art of ULF volume adjustment. 5545 
Sitting on a fence with ULF 5543 
The overly-swallowable bass. 5536 
To deLamminate my ULF channel. 5535 
What a beautiful result!!! 5534 
Pipe Organ with 128' register in Augsburg, Germany 5528 
An absolute must for ULF channel. 5511 
The compartmentalized bass 5388 
Paralleled SET bass 5384 
A new concept of ULF channel. 5376 
Infinite baffle 5376 
A 4th order bandpass vibrator? 5376 
ULF idea, possibly stupid. 5375 
IB vs Horn 5375 
A Distributed Infinite Baffle? 5374 
"Tuning" the "IB" 5374 
Flip 90 degrees 5374 
Little bump and the elephant solutions 5374 
How to do THAT? 5373 
ULF from coffee table 5373 
The through-hole tapped horn. 5373 
25 hz at 6db? 5373 
ULF from the SledgeHammer 5373 
Why not really use the basement 5373 
Never say never 5373 
How good ULF needs to be? 5362 
How good the user needs to be? 5362 
Maybe . . . 5362 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5362 
Narrow [Band] Tuning (DSP?) 5362 
ULF-only Sound 5322 
An easy ULF solution for someone. 5314 
Red Grills 5314 
It is exactly what I would like to avoid. 5313 
So I took your advice 5255 
Ok, let me know how it goes. 5255 
The ULF amp Itch. 5241 
Here is an update for the old thread.... 2862 
Good highs 2862 
Marchand 1919 
What truly are you tryin to accomplish? 1919 
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