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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. 5782 
A mono LF channel – I do not like it. 5778 
LF Results 5778 
The size maters 5777 
Response Curve 5777 
ULF placement and power 5777 
Wishful thinking and the Maelstrom-21 5777 
I will need a direct radiator under the bottom… 5777 
ULF experience: Drivers & power considerations cont'd 5776 
To experiment during the New England winter 5776 
Pitching pitch 5776 
There are many key points…. 5776 
A first true bass test 5760 
Actually…. 5760 
Best place lost? 5755 
Best location for bass, where art thou? 5755 
What to expect from ULF channel? 5739 
OK, it is something. 5738 
The new ULF scenario experiments. 5731 
Time coherence of ULF - my experience 5731 
Placement of ULF #2 5731 
Why I like the like the location #1 5731 
I need to find another ULF solution. 5723 
Ceiling subs 5722 
The infinite baffle shall be a very good solution. 5722 
This morning I woke up horny 5722 
Dsp 5722 
Parametric filters 5721 
SMS 1, Act II 5721 
I think I have found the problem with my ULF 5721 
SMS distortion issue? 5721 
At 30Hz of high order there are not truly tone” of “sound” 5721 
DCX output stage mods 5721 
Very small minority of the folks… 5721 
Exactly zero I suspect. . . 5721 
DSP vs. Music vs. HT 5721 
10" array; how low? & SMS-1 distortion 5721 
Interesting: 10” vs. 15” 5721 
Multiples of the Same Rising Response Curve? 5721 
The crisis of perception. 5720 
Dynamic range of ULF, tsunami and something else. 5719 
The Circle Unbroken 5719 
I wonder… is it PP2000? 5703 
The ULF and PurePower 2000 5694 
ULF Channel and LP playback. 5637 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5635 
I do not have an opinion yet. 5635 
Imponderabilis Neurosis 5635 
Bass non-pathologic hallucination… 5635 
A new paradigm for ULF? 5635 
…a number of logical flaws… 5635 
MAD HATTER 5634 
Thinking about my lower bass 5614 
Has Schrödinger's cat moved in unnoticed? 5614 
Wrong. 5614 
Groove Echo 5614 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5613 
Listening help with ULF stimulator 5613 
The ULF debate: time-alignment 5611 
Trying to address the dilemma with lowest bass. 5610 
Rotary woofer for ULF? 5610 
I do not need a Rotary woofer, I need to be less Moron. 5610 
*** 5610 
Congrats 5609 
Getting some maturity with ULF 5608 
About ULF attenuation. 5607 
How is it implemented? 5607 
My implementation of ULF channel. 5607 
Further thoughts about ULF channel. 5606 
ULF 5606 
I would agree but… 5606 
The problem that that I see with my ULF 5606 
Loudspeaker Proximity Coupling in Midbass & ULF 5606 
Great rotary idea! 5606 
Brilliant analyses! 5606 
Going down with bass 5604 
Under FS 5604 
Ideal ULF/Midbass integration 5604 
My super smart room! 5604 
Erratum ( or errata if you insist) 5604 
The issue is a complex one and should not be addressed generically ... 5604 
Cost benefit analysis of midbass horns v/s compromised ULF 5604 
There is no cost-benefit analysis for this thing. 5604 
I will experiment. 5604 
Sometimes experiment is not just experiment. 5604 
One Bass Horn or Two – for Oxric 5603 
My ways to mimic Reality. 5603 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5603 
"the purpose of playing, whose end both at the first and now..." 5603 
No manuals for those things…. 5603 
More about Rotary ULF idea. 5598 
Phoenix Gold Cyclone 5598 
Passing the waves…. as usual.... 5594 
Drive ULF Amp from Midbass Amp Output 5593 
There is “something”… 5593 
I do not know what I deal with. 5592 
I want my ULF amp back. 5581 
ULF emergency: Big & nasty solutions 5580 
No-amplification time 5580 
Listening audio without ULF. 5579 
Ok, I got the bass amp… 5579 
How much power do I need for my ULF. 5569 
A True ULF - what an amassing tool!!! 5567 
Put Marchand Crossover into the game. 5563 
I begin to like my active crossover. 5551 
Line-level passive vs. active ULF filter 5549 
Hm, there is no way to escape the 4th order. 5549 
Phase butterfly effect. 5548 
Back to DSP? 5548 
What I am trying to accomplish. 5548 
The art of ULF volume adjustment. 5547 
Sitting on a fence with ULF 5545 
The overly-swallowable bass. 5538 
To deLamminate my ULF channel. 5537 
What a beautiful result!!! 5536 
Pipe Organ with 128' register in Augsburg, Germany 5530 
An absolute must for ULF channel. 5513 
The compartmentalized bass 5390 
Paralleled SET bass 5386 
A new concept of ULF channel. 5378 
Infinite baffle 5378 
A 4th order bandpass vibrator? 5378 
ULF idea, possibly stupid. 5377 
IB vs Horn 5377 
A Distributed Infinite Baffle? 5376 
"Tuning" the "IB" 5376 
Flip 90 degrees 5376 
Little bump and the elephant solutions 5376 
How to do THAT? 5375 
ULF from coffee table 5375 
The through-hole tapped horn. 5375 
25 hz at 6db? 5375 
ULF from the SledgeHammer 5375 
Why not really use the basement 5375 
Never say never 5375 
How good ULF needs to be? 5364 
How good the user needs to be? 5364 
Maybe . . . 5364 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5364 
Narrow [Band] Tuning (DSP?) 5364 
ULF-only Sound 5324 
An easy ULF solution for someone. 5316 
Red Grills 5316 
It is exactly what I would like to avoid. 5315 
So I took your advice 5257 
Ok, let me know how it goes. 5257 
The ULF amp Itch. 5243 
Here is an update for the old thread.... 2864 
Good highs 2864 
Marchand 1921 
What truly are you tryin to accomplish? 1921 
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