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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. 5751 
A mono LF channel – I do not like it. 5747 
LF Results 5747 
The size maters 5746 
Response Curve 5746 
ULF placement and power 5746 
Wishful thinking and the Maelstrom-21 5746 
I will need a direct radiator under the bottom… 5746 
ULF experience: Drivers & power considerations cont'd 5745 
To experiment during the New England winter 5745 
Pitching pitch 5745 
There are many key points…. 5745 
A first true bass test 5729 
Actually…. 5729 
Best place lost? 5724 
Best location for bass, where art thou? 5724 
What to expect from ULF channel? 5708 
OK, it is something. 5707 
The new ULF scenario experiments. 5700 
Time coherence of ULF - my experience 5700 
Placement of ULF #2 5700 
Why I like the like the location #1 5700 
I need to find another ULF solution. 5692 
Ceiling subs 5691 
The infinite baffle shall be a very good solution. 5691 
This morning I woke up horny 5691 
Dsp 5691 
Parametric filters 5690 
SMS 1, Act II 5690 
I think I have found the problem with my ULF 5690 
SMS distortion issue? 5690 
At 30Hz of high order there are not truly tone” of “sound” 5690 
DCX output stage mods 5690 
Very small minority of the folks… 5690 
Exactly zero I suspect. . . 5690 
DSP vs. Music vs. HT 5690 
10" array; how low? & SMS-1 distortion 5690 
Interesting: 10” vs. 15” 5690 
Multiples of the Same Rising Response Curve? 5690 
The crisis of perception. 5689 
Dynamic range of ULF, tsunami and something else. 5688 
The Circle Unbroken 5688 
I wonder… is it PP2000? 5672 
The ULF and PurePower 2000 5663 
ULF Channel and LP playback. 5606 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5604 
I do not have an opinion yet. 5604 
Imponderabilis Neurosis 5604 
Bass non-pathologic hallucination… 5604 
A new paradigm for ULF? 5604 
…a number of logical flaws… 5604 
MAD HATTER 5603 
Thinking about my lower bass 5583 
Has Schrödinger's cat moved in unnoticed? 5583 
Wrong. 5583 
Groove Echo 5583 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5582 
Listening help with ULF stimulator 5582 
The ULF debate: time-alignment 5580 
Trying to address the dilemma with lowest bass. 5579 
Rotary woofer for ULF? 5579 
I do not need a Rotary woofer, I need to be less Moron. 5579 
*** 5579 
Congrats 5578 
Getting some maturity with ULF 5577 
About ULF attenuation. 5576 
How is it implemented? 5576 
My implementation of ULF channel. 5576 
Further thoughts about ULF channel. 5575 
ULF 5575 
I would agree but… 5575 
The problem that that I see with my ULF 5575 
Loudspeaker Proximity Coupling in Midbass & ULF 5575 
Great rotary idea! 5575 
Brilliant analyses! 5575 
Going down with bass 5573 
Under FS 5573 
Ideal ULF/Midbass integration 5573 
My super smart room! 5573 
Erratum ( or errata if you insist) 5573 
The issue is a complex one and should not be addressed generically ... 5573 
Cost benefit analysis of midbass horns v/s compromised ULF 5573 
There is no cost-benefit analysis for this thing. 5573 
I will experiment. 5573 
Sometimes experiment is not just experiment. 5573 
One Bass Horn or Two – for Oxric 5572 
My ways to mimic Reality. 5572 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5572 
"the purpose of playing, whose end both at the first and now..." 5572 
No manuals for those things…. 5572 
More about Rotary ULF idea. 5567 
Phoenix Gold Cyclone 5567 
Passing the waves…. as usual.... 5563 
Drive ULF Amp from Midbass Amp Output 5562 
There is “something”… 5562 
I do not know what I deal with. 5561 
I want my ULF amp back. 5550 
ULF emergency: Big & nasty solutions 5549 
No-amplification time 5549 
Listening audio without ULF. 5548 
Ok, I got the bass amp… 5548 
How much power do I need for my ULF. 5538 
A True ULF - what an amassing tool!!! 5536 
Put Marchand Crossover into the game. 5532 
I begin to like my active crossover. 5520 
Line-level passive vs. active ULF filter 5518 
Hm, there is no way to escape the 4th order. 5518 
Phase butterfly effect. 5517 
Back to DSP? 5517 
What I am trying to accomplish. 5517 
The art of ULF volume adjustment. 5516 
Sitting on a fence with ULF 5514 
The overly-swallowable bass. 5507 
To deLamminate my ULF channel. 5506 
What a beautiful result!!! 5505 
Pipe Organ with 128' register in Augsburg, Germany 5499 
An absolute must for ULF channel. 5482 
The compartmentalized bass 5359 
Paralleled SET bass 5355 
A new concept of ULF channel. 5347 
Infinite baffle 5347 
A 4th order bandpass vibrator? 5347 
ULF idea, possibly stupid. 5346 
IB vs Horn 5346 
A Distributed Infinite Baffle? 5345 
"Tuning" the "IB" 5345 
Flip 90 degrees 5345 
Little bump and the elephant solutions 5345 
How to do THAT? 5344 
ULF from coffee table 5344 
The through-hole tapped horn. 5344 
25 hz at 6db? 5344 
ULF from the SledgeHammer 5344 
Why not really use the basement 5344 
Never say never 5344 
How good ULF needs to be? 5333 
How good the user needs to be? 5333 
Maybe . . . 5333 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5333 
Narrow [Band] Tuning (DSP?) 5333 
ULF-only Sound 5293 
An easy ULF solution for someone. 5285 
Red Grills 5285 
It is exactly what I would like to avoid. 5284 
So I took your advice 5226 
Ok, let me know how it goes. 5226 
The ULF amp Itch. 5212 
Here is an update for the old thread.... 2833 
Good highs 2833 
Marchand 1890 
What truly are you tryin to accomplish? 1890 
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