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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. 5756 
A mono LF channel – I do not like it. 5752 
LF Results 5752 
The size maters 5751 
Response Curve 5751 
ULF placement and power 5751 
Wishful thinking and the Maelstrom-21 5751 
I will need a direct radiator under the bottom… 5751 
ULF experience: Drivers & power considerations cont'd 5750 
To experiment during the New England winter 5750 
Pitching pitch 5750 
There are many key points…. 5750 
A first true bass test 5734 
Actually…. 5734 
Best place lost? 5729 
Best location for bass, where art thou? 5729 
What to expect from ULF channel? 5713 
OK, it is something. 5712 
The new ULF scenario experiments. 5705 
Time coherence of ULF - my experience 5705 
Placement of ULF #2 5705 
Why I like the like the location #1 5705 
I need to find another ULF solution. 5697 
Ceiling subs 5696 
The infinite baffle shall be a very good solution. 5696 
This morning I woke up horny 5696 
Dsp 5696 
Parametric filters 5695 
SMS 1, Act II 5695 
I think I have found the problem with my ULF 5695 
SMS distortion issue? 5695 
At 30Hz of high order there are not truly tone” of “sound” 5695 
DCX output stage mods 5695 
Very small minority of the folks… 5695 
Exactly zero I suspect. . . 5695 
DSP vs. Music vs. HT 5695 
10" array; how low? & SMS-1 distortion 5695 
Interesting: 10” vs. 15” 5695 
Multiples of the Same Rising Response Curve? 5695 
The crisis of perception. 5694 
Dynamic range of ULF, tsunami and something else. 5693 
The Circle Unbroken 5693 
I wonder… is it PP2000? 5677 
The ULF and PurePower 2000 5668 
ULF Channel and LP playback. 5611 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5609 
I do not have an opinion yet. 5609 
Imponderabilis Neurosis 5609 
Bass non-pathologic hallucination… 5609 
A new paradigm for ULF? 5609 
…a number of logical flaws… 5609 
MAD HATTER 5608 
Thinking about my lower bass 5588 
Has Schrödinger's cat moved in unnoticed? 5588 
Wrong. 5588 
Groove Echo 5588 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5587 
Listening help with ULF stimulator 5587 
The ULF debate: time-alignment 5585 
Trying to address the dilemma with lowest bass. 5584 
Rotary woofer for ULF? 5584 
I do not need a Rotary woofer, I need to be less Moron. 5584 
*** 5584 
Congrats 5583 
Getting some maturity with ULF 5582 
About ULF attenuation. 5581 
How is it implemented? 5581 
My implementation of ULF channel. 5581 
Further thoughts about ULF channel. 5580 
ULF 5580 
I would agree but… 5580 
The problem that that I see with my ULF 5580 
Loudspeaker Proximity Coupling in Midbass & ULF 5580 
Great rotary idea! 5580 
Brilliant analyses! 5580 
Going down with bass 5578 
Under FS 5578 
Ideal ULF/Midbass integration 5578 
My super smart room! 5578 
Erratum ( or errata if you insist) 5578 
The issue is a complex one and should not be addressed generically ... 5578 
Cost benefit analysis of midbass horns v/s compromised ULF 5578 
There is no cost-benefit analysis for this thing. 5578 
I will experiment. 5578 
Sometimes experiment is not just experiment. 5578 
One Bass Horn or Two – for Oxric 5577 
My ways to mimic Reality. 5577 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5577 
"the purpose of playing, whose end both at the first and now..." 5577 
No manuals for those things…. 5577 
More about Rotary ULF idea. 5572 
Phoenix Gold Cyclone 5572 
Passing the waves…. as usual.... 5568 
Drive ULF Amp from Midbass Amp Output 5567 
There is “something”… 5567 
I do not know what I deal with. 5566 
I want my ULF amp back. 5555 
ULF emergency: Big & nasty solutions 5554 
No-amplification time 5554 
Listening audio without ULF. 5553 
Ok, I got the bass amp… 5553 
How much power do I need for my ULF. 5543 
A True ULF - what an amassing tool!!! 5541 
Put Marchand Crossover into the game. 5537 
I begin to like my active crossover. 5525 
Line-level passive vs. active ULF filter 5523 
Hm, there is no way to escape the 4th order. 5523 
Phase butterfly effect. 5522 
Back to DSP? 5522 
What I am trying to accomplish. 5522 
The art of ULF volume adjustment. 5521 
Sitting on a fence with ULF 5519 
The overly-swallowable bass. 5512 
To deLamminate my ULF channel. 5511 
What a beautiful result!!! 5510 
Pipe Organ with 128' register in Augsburg, Germany 5504 
An absolute must for ULF channel. 5487 
The compartmentalized bass 5364 
Paralleled SET bass 5360 
A new concept of ULF channel. 5352 
Infinite baffle 5352 
A 4th order bandpass vibrator? 5352 
ULF idea, possibly stupid. 5351 
IB vs Horn 5351 
A Distributed Infinite Baffle? 5350 
"Tuning" the "IB" 5350 
Flip 90 degrees 5350 
Little bump and the elephant solutions 5350 
How to do THAT? 5349 
ULF from coffee table 5349 
The through-hole tapped horn. 5349 
25 hz at 6db? 5349 
ULF from the SledgeHammer 5349 
Why not really use the basement 5349 
Never say never 5349 
How good ULF needs to be? 5338 
How good the user needs to be? 5338 
Maybe . . . 5338 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5338 
Narrow [Band] Tuning (DSP?) 5338 
ULF-only Sound 5298 
An easy ULF solution for someone. 5290 
Red Grills 5290 
It is exactly what I would like to avoid. 5289 
So I took your advice 5231 
Ok, let me know how it goes. 5231 
The ULF amp Itch. 5217 
Here is an update for the old thread.... 2838 
Good highs 2838 
Marchand 1895 
What truly are you tryin to accomplish? 1895 
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