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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. 5734 
A mono LF channel – I do not like it. 5730 
LF Results 5730 
The size maters 5729 
Response Curve 5729 
ULF placement and power 5729 
Wishful thinking and the Maelstrom-21 5729 
I will need a direct radiator under the bottom… 5729 
ULF experience: Drivers & power considerations cont'd 5728 
To experiment during the New England winter 5728 
Pitching pitch 5728 
There are many key points…. 5728 
A first true bass test 5712 
Actually…. 5712 
Best place lost? 5707 
Best location for bass, where art thou? 5707 
What to expect from ULF channel? 5691 
OK, it is something. 5690 
The new ULF scenario experiments. 5683 
Time coherence of ULF - my experience 5683 
Placement of ULF #2 5683 
Why I like the like the location #1 5683 
I need to find another ULF solution. 5675 
Ceiling subs 5674 
The infinite baffle shall be a very good solution. 5674 
This morning I woke up horny 5674 
Dsp 5674 
Parametric filters 5673 
SMS 1, Act II 5673 
I think I have found the problem with my ULF 5673 
SMS distortion issue? 5673 
At 30Hz of high order there are not truly tone” of “sound” 5673 
DCX output stage mods 5673 
Very small minority of the folks… 5673 
Exactly zero I suspect. . . 5673 
DSP vs. Music vs. HT 5673 
10" array; how low? & SMS-1 distortion 5673 
Interesting: 10” vs. 15” 5673 
Multiples of the Same Rising Response Curve? 5673 
The crisis of perception. 5672 
Dynamic range of ULF, tsunami and something else. 5671 
The Circle Unbroken 5671 
I wonder… is it PP2000? 5655 
The ULF and PurePower 2000 5646 
ULF Channel and LP playback. 5589 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5587 
I do not have an opinion yet. 5587 
Imponderabilis Neurosis 5587 
Bass non-pathologic hallucination… 5587 
A new paradigm for ULF? 5587 
…a number of logical flaws… 5587 
MAD HATTER 5586 
Thinking about my lower bass 5566 
Has Schrödinger's cat moved in unnoticed? 5566 
Wrong. 5566 
Groove Echo 5566 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5565 
Listening help with ULF stimulator 5565 
The ULF debate: time-alignment 5563 
Trying to address the dilemma with lowest bass. 5562 
Rotary woofer for ULF? 5562 
I do not need a Rotary woofer, I need to be less Moron. 5562 
*** 5562 
Congrats 5561 
Getting some maturity with ULF 5560 
About ULF attenuation. 5559 
How is it implemented? 5559 
My implementation of ULF channel. 5559 
Further thoughts about ULF channel. 5558 
ULF 5558 
I would agree but… 5558 
The problem that that I see with my ULF 5558 
Loudspeaker Proximity Coupling in Midbass & ULF 5558 
Great rotary idea! 5558 
Brilliant analyses! 5558 
Going down with bass 5556 
Under FS 5556 
Ideal ULF/Midbass integration 5556 
My super smart room! 5556 
Erratum ( or errata if you insist) 5556 
The issue is a complex one and should not be addressed generically ... 5556 
Cost benefit analysis of midbass horns v/s compromised ULF 5556 
There is no cost-benefit analysis for this thing. 5556 
I will experiment. 5556 
Sometimes experiment is not just experiment. 5556 
One Bass Horn or Two – for Oxric 5555 
My ways to mimic Reality. 5555 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5555 
"the purpose of playing, whose end both at the first and now..." 5555 
No manuals for those things…. 5555 
More about Rotary ULF idea. 5550 
Phoenix Gold Cyclone 5550 
Passing the waves…. as usual.... 5546 
Drive ULF Amp from Midbass Amp Output 5545 
There is “something”… 5545 
I do not know what I deal with. 5544 
I want my ULF amp back. 5533 
ULF emergency: Big & nasty solutions 5532 
No-amplification time 5532 
Listening audio without ULF. 5531 
Ok, I got the bass amp… 5531 
How much power do I need for my ULF. 5521 
A True ULF - what an amassing tool!!! 5519 
Put Marchand Crossover into the game. 5515 
I begin to like my active crossover. 5503 
Line-level passive vs. active ULF filter 5501 
Hm, there is no way to escape the 4th order. 5501 
Phase butterfly effect. 5500 
Back to DSP? 5500 
What I am trying to accomplish. 5500 
The art of ULF volume adjustment. 5499 
Sitting on a fence with ULF 5497 
The overly-swallowable bass. 5490 
To deLamminate my ULF channel. 5489 
What a beautiful result!!! 5488 
Pipe Organ with 128' register in Augsburg, Germany 5482 
An absolute must for ULF channel. 5465 
The compartmentalized bass 5342 
Paralleled SET bass 5338 
A new concept of ULF channel. 5330 
Infinite baffle 5330 
A 4th order bandpass vibrator? 5330 
ULF idea, possibly stupid. 5329 
IB vs Horn 5329 
A Distributed Infinite Baffle? 5328 
"Tuning" the "IB" 5328 
Flip 90 degrees 5328 
Little bump and the elephant solutions 5328 
How to do THAT? 5327 
ULF from coffee table 5327 
The through-hole tapped horn. 5327 
25 hz at 6db? 5327 
ULF from the SledgeHammer 5327 
Why not really use the basement 5327 
Never say never 5327 
How good ULF needs to be? 5316 
How good the user needs to be? 5316 
Maybe . . . 5316 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5316 
Narrow [Band] Tuning (DSP?) 5316 
ULF-only Sound 5276 
An easy ULF solution for someone. 5268 
Red Grills 5268 
It is exactly what I would like to avoid. 5267 
So I took your advice 5209 
Ok, let me know how it goes. 5209 
The ULF amp Itch. 5195 
Here is an update for the old thread.... 2816 
Good highs 2816 
Marchand 1873 
What truly are you tryin to accomplish? 1873 
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