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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. 5728 
A mono LF channel – I do not like it. 5724 
LF Results 5724 
The size maters 5723 
Response Curve 5723 
ULF placement and power 5723 
Wishful thinking and the Maelstrom-21 5723 
I will need a direct radiator under the bottom… 5723 
ULF experience: Drivers & power considerations cont'd 5722 
To experiment during the New England winter 5722 
Pitching pitch 5722 
There are many key points…. 5722 
A first true bass test 5706 
Actually…. 5706 
Best place lost? 5701 
Best location for bass, where art thou? 5701 
What to expect from ULF channel? 5685 
OK, it is something. 5684 
The new ULF scenario experiments. 5677 
Time coherence of ULF - my experience 5677 
Placement of ULF #2 5677 
Why I like the like the location #1 5677 
I need to find another ULF solution. 5669 
Ceiling subs 5668 
The infinite baffle shall be a very good solution. 5668 
This morning I woke up horny 5668 
Dsp 5668 
Parametric filters 5667 
SMS 1, Act II 5667 
I think I have found the problem with my ULF 5667 
SMS distortion issue? 5667 
At 30Hz of high order there are not truly tone” of “sound” 5667 
DCX output stage mods 5667 
Very small minority of the folks… 5667 
Exactly zero I suspect. . . 5667 
DSP vs. Music vs. HT 5667 
10" array; how low? & SMS-1 distortion 5667 
Interesting: 10” vs. 15” 5667 
Multiples of the Same Rising Response Curve? 5667 
The crisis of perception. 5666 
Dynamic range of ULF, tsunami and something else. 5665 
The Circle Unbroken 5665 
I wonder… is it PP2000? 5649 
The ULF and PurePower 2000 5640 
ULF Channel and LP playback. 5583 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5581 
I do not have an opinion yet. 5581 
Imponderabilis Neurosis 5581 
Bass non-pathologic hallucination… 5581 
A new paradigm for ULF? 5581 
…a number of logical flaws… 5581 
MAD HATTER 5580 
Thinking about my lower bass 5560 
Has Schrödinger's cat moved in unnoticed? 5560 
Wrong. 5560 
Groove Echo 5560 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5559 
Listening help with ULF stimulator 5559 
The ULF debate: time-alignment 5557 
Trying to address the dilemma with lowest bass. 5556 
Rotary woofer for ULF? 5556 
I do not need a Rotary woofer, I need to be less Moron. 5556 
*** 5556 
Congrats 5555 
Getting some maturity with ULF 5554 
About ULF attenuation. 5553 
How is it implemented? 5553 
My implementation of ULF channel. 5553 
Further thoughts about ULF channel. 5552 
ULF 5552 
I would agree but… 5552 
The problem that that I see with my ULF 5552 
Loudspeaker Proximity Coupling in Midbass & ULF 5552 
Great rotary idea! 5552 
Brilliant analyses! 5552 
Going down with bass 5550 
Under FS 5550 
Ideal ULF/Midbass integration 5550 
My super smart room! 5550 
Erratum ( or errata if you insist) 5550 
The issue is a complex one and should not be addressed generically ... 5550 
Cost benefit analysis of midbass horns v/s compromised ULF 5550 
There is no cost-benefit analysis for this thing. 5550 
I will experiment. 5550 
Sometimes experiment is not just experiment. 5550 
One Bass Horn or Two – for Oxric 5549 
My ways to mimic Reality. 5549 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5549 
"the purpose of playing, whose end both at the first and now..." 5549 
No manuals for those things…. 5549 
More about Rotary ULF idea. 5544 
Phoenix Gold Cyclone 5544 
Passing the waves…. as usual.... 5540 
Drive ULF Amp from Midbass Amp Output 5539 
There is “something”… 5539 
I do not know what I deal with. 5538 
I want my ULF amp back. 5527 
ULF emergency: Big & nasty solutions 5526 
No-amplification time 5526 
Listening audio without ULF. 5525 
Ok, I got the bass amp… 5525 
How much power do I need for my ULF. 5515 
A True ULF - what an amassing tool!!! 5513 
Put Marchand Crossover into the game. 5509 
I begin to like my active crossover. 5497 
Line-level passive vs. active ULF filter 5495 
Hm, there is no way to escape the 4th order. 5495 
Phase butterfly effect. 5494 
Back to DSP? 5494 
What I am trying to accomplish. 5494 
The art of ULF volume adjustment. 5493 
Sitting on a fence with ULF 5491 
The overly-swallowable bass. 5484 
To deLamminate my ULF channel. 5483 
What a beautiful result!!! 5482 
Pipe Organ with 128' register in Augsburg, Germany 5476 
An absolute must for ULF channel. 5459 
The compartmentalized bass 5336 
Paralleled SET bass 5332 
A new concept of ULF channel. 5324 
Infinite baffle 5324 
A 4th order bandpass vibrator? 5324 
ULF idea, possibly stupid. 5323 
IB vs Horn 5323 
A Distributed Infinite Baffle? 5322 
"Tuning" the "IB" 5322 
Flip 90 degrees 5322 
Little bump and the elephant solutions 5322 
How to do THAT? 5321 
ULF from coffee table 5321 
The through-hole tapped horn. 5321 
25 hz at 6db? 5321 
ULF from the SledgeHammer 5321 
Why not really use the basement 5321 
Never say never 5321 
How good ULF needs to be? 5310 
How good the user needs to be? 5310 
Maybe . . . 5310 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5310 
Narrow [Band] Tuning (DSP?) 5310 
ULF-only Sound 5270 
An easy ULF solution for someone. 5262 
Red Grills 5262 
It is exactly what I would like to avoid. 5261 
So I took your advice 5203 
Ok, let me know how it goes. 5203 
The ULF amp Itch. 5189 
Here is an update for the old thread.... 2810 
Good highs 2810 
Marchand 1867 
What truly are you tryin to accomplish? 1867 
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