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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. 5765 
A mono LF channel – I do not like it. 5761 
LF Results 5761 
The size maters 5760 
Response Curve 5760 
ULF placement and power 5760 
Wishful thinking and the Maelstrom-21 5760 
I will need a direct radiator under the bottom… 5760 
ULF experience: Drivers & power considerations cont'd 5759 
To experiment during the New England winter 5759 
Pitching pitch 5759 
There are many key points…. 5759 
A first true bass test 5743 
Actually…. 5743 
Best place lost? 5738 
Best location for bass, where art thou? 5738 
What to expect from ULF channel? 5722 
OK, it is something. 5721 
The new ULF scenario experiments. 5714 
Time coherence of ULF - my experience 5714 
Placement of ULF #2 5714 
Why I like the like the location #1 5714 
I need to find another ULF solution. 5706 
Ceiling subs 5705 
The infinite baffle shall be a very good solution. 5705 
This morning I woke up horny 5705 
Dsp 5705 
Parametric filters 5704 
SMS 1, Act II 5704 
I think I have found the problem with my ULF 5704 
SMS distortion issue? 5704 
At 30Hz of high order there are not truly tone” of “sound” 5704 
DCX output stage mods 5704 
Very small minority of the folks… 5704 
Exactly zero I suspect. . . 5704 
DSP vs. Music vs. HT 5704 
10" array; how low? & SMS-1 distortion 5704 
Interesting: 10” vs. 15” 5704 
Multiples of the Same Rising Response Curve? 5704 
The crisis of perception. 5703 
Dynamic range of ULF, tsunami and something else. 5702 
The Circle Unbroken 5702 
I wonder… is it PP2000? 5686 
The ULF and PurePower 2000 5677 
ULF Channel and LP playback. 5620 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5618 
I do not have an opinion yet. 5618 
Imponderabilis Neurosis 5618 
Bass non-pathologic hallucination… 5618 
A new paradigm for ULF? 5618 
…a number of logical flaws… 5618 
MAD HATTER 5617 
Thinking about my lower bass 5597 
Has Schrödinger's cat moved in unnoticed? 5597 
Wrong. 5597 
Groove Echo 5597 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5596 
Listening help with ULF stimulator 5596 
The ULF debate: time-alignment 5594 
Trying to address the dilemma with lowest bass. 5593 
Rotary woofer for ULF? 5593 
I do not need a Rotary woofer, I need to be less Moron. 5593 
*** 5593 
Congrats 5592 
Getting some maturity with ULF 5591 
About ULF attenuation. 5590 
How is it implemented? 5590 
My implementation of ULF channel. 5590 
Further thoughts about ULF channel. 5589 
ULF 5589 
I would agree but… 5589 
The problem that that I see with my ULF 5589 
Loudspeaker Proximity Coupling in Midbass & ULF 5589 
Great rotary idea! 5589 
Brilliant analyses! 5589 
Going down with bass 5587 
Under FS 5587 
Ideal ULF/Midbass integration 5587 
My super smart room! 5587 
Erratum ( or errata if you insist) 5587 
The issue is a complex one and should not be addressed generically ... 5587 
Cost benefit analysis of midbass horns v/s compromised ULF 5587 
There is no cost-benefit analysis for this thing. 5587 
I will experiment. 5587 
Sometimes experiment is not just experiment. 5587 
One Bass Horn or Two – for Oxric 5586 
My ways to mimic Reality. 5586 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5586 
"the purpose of playing, whose end both at the first and now..." 5586 
No manuals for those things…. 5586 
More about Rotary ULF idea. 5581 
Phoenix Gold Cyclone 5581 
Passing the waves…. as usual.... 5577 
Drive ULF Amp from Midbass Amp Output 5576 
There is “something”… 5576 
I do not know what I deal with. 5575 
I want my ULF amp back. 5564 
ULF emergency: Big & nasty solutions 5563 
No-amplification time 5563 
Listening audio without ULF. 5562 
Ok, I got the bass amp… 5562 
How much power do I need for my ULF. 5552 
A True ULF - what an amassing tool!!! 5550 
Put Marchand Crossover into the game. 5546 
I begin to like my active crossover. 5534 
Line-level passive vs. active ULF filter 5532 
Hm, there is no way to escape the 4th order. 5532 
Phase butterfly effect. 5531 
Back to DSP? 5531 
What I am trying to accomplish. 5531 
The art of ULF volume adjustment. 5530 
Sitting on a fence with ULF 5528 
The overly-swallowable bass. 5521 
To deLamminate my ULF channel. 5520 
What a beautiful result!!! 5519 
Pipe Organ with 128' register in Augsburg, Germany 5513 
An absolute must for ULF channel. 5496 
The compartmentalized bass 5373 
Paralleled SET bass 5369 
A new concept of ULF channel. 5361 
Infinite baffle 5361 
A 4th order bandpass vibrator? 5361 
ULF idea, possibly stupid. 5360 
IB vs Horn 5360 
A Distributed Infinite Baffle? 5359 
"Tuning" the "IB" 5359 
Flip 90 degrees 5359 
Little bump and the elephant solutions 5359 
How to do THAT? 5358 
ULF from coffee table 5358 
The through-hole tapped horn. 5358 
25 hz at 6db? 5358 
ULF from the SledgeHammer 5358 
Why not really use the basement 5358 
Never say never 5358 
How good ULF needs to be? 5347 
How good the user needs to be? 5347 
Maybe . . . 5347 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5347 
Narrow [Band] Tuning (DSP?) 5347 
ULF-only Sound 5307 
An easy ULF solution for someone. 5299 
Red Grills 5299 
It is exactly what I would like to avoid. 5298 
So I took your advice 5240 
Ok, let me know how it goes. 5240 
The ULF amp Itch. 5226 
Here is an update for the old thread.... 2847 
Good highs 2847 
Marchand 1904 
What truly are you tryin to accomplish? 1904 
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