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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. 5727 
A mono LF channel – I do not like it. 5723 
LF Results 5723 
The size maters 5722 
Response Curve 5722 
ULF placement and power 5722 
Wishful thinking and the Maelstrom-21 5722 
I will need a direct radiator under the bottom… 5722 
ULF experience: Drivers & power considerations cont'd 5721 
To experiment during the New England winter 5721 
Pitching pitch 5721 
There are many key points…. 5721 
A first true bass test 5705 
Actually…. 5705 
Best place lost? 5700 
Best location for bass, where art thou? 5700 
What to expect from ULF channel? 5684 
OK, it is something. 5683 
The new ULF scenario experiments. 5676 
Time coherence of ULF - my experience 5676 
Placement of ULF #2 5676 
Why I like the like the location #1 5676 
I need to find another ULF solution. 5668 
Ceiling subs 5667 
The infinite baffle shall be a very good solution. 5667 
This morning I woke up horny 5667 
Dsp 5667 
Parametric filters 5666 
SMS 1, Act II 5666 
I think I have found the problem with my ULF 5666 
SMS distortion issue? 5666 
At 30Hz of high order there are not truly tone” of “sound” 5666 
DCX output stage mods 5666 
Very small minority of the folks… 5666 
Exactly zero I suspect. . . 5666 
DSP vs. Music vs. HT 5666 
10" array; how low? & SMS-1 distortion 5666 
Interesting: 10” vs. 15” 5666 
Multiples of the Same Rising Response Curve? 5666 
The crisis of perception. 5665 
Dynamic range of ULF, tsunami and something else. 5664 
The Circle Unbroken 5664 
I wonder… is it PP2000? 5648 
The ULF and PurePower 2000 5639 
ULF Channel and LP playback. 5582 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5580 
I do not have an opinion yet. 5580 
Imponderabilis Neurosis 5580 
Bass non-pathologic hallucination… 5580 
A new paradigm for ULF? 5580 
…a number of logical flaws… 5580 
MAD HATTER 5579 
Thinking about my lower bass 5559 
Has Schrödinger's cat moved in unnoticed? 5559 
Wrong. 5559 
Groove Echo 5559 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5558 
Listening help with ULF stimulator 5558 
The ULF debate: time-alignment 5556 
Trying to address the dilemma with lowest bass. 5555 
Rotary woofer for ULF? 5555 
I do not need a Rotary woofer, I need to be less Moron. 5555 
*** 5555 
Congrats 5554 
Getting some maturity with ULF 5553 
About ULF attenuation. 5552 
How is it implemented? 5552 
My implementation of ULF channel. 5552 
Further thoughts about ULF channel. 5551 
ULF 5551 
I would agree but… 5551 
The problem that that I see with my ULF 5551 
Loudspeaker Proximity Coupling in Midbass & ULF 5551 
Great rotary idea! 5551 
Brilliant analyses! 5551 
Going down with bass 5549 
Under FS 5549 
Ideal ULF/Midbass integration 5549 
My super smart room! 5549 
Erratum ( or errata if you insist) 5549 
The issue is a complex one and should not be addressed generically ... 5549 
Cost benefit analysis of midbass horns v/s compromised ULF 5549 
There is no cost-benefit analysis for this thing. 5549 
I will experiment. 5549 
Sometimes experiment is not just experiment. 5549 
One Bass Horn or Two – for Oxric 5548 
My ways to mimic Reality. 5548 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5548 
"the purpose of playing, whose end both at the first and now..." 5548 
No manuals for those things…. 5548 
More about Rotary ULF idea. 5543 
Phoenix Gold Cyclone 5543 
Passing the waves…. as usual.... 5539 
Drive ULF Amp from Midbass Amp Output 5538 
There is “something”… 5538 
I do not know what I deal with. 5537 
I want my ULF amp back. 5526 
ULF emergency: Big & nasty solutions 5525 
No-amplification time 5525 
Listening audio without ULF. 5524 
Ok, I got the bass amp… 5524 
How much power do I need for my ULF. 5514 
A True ULF - what an amassing tool!!! 5512 
Put Marchand Crossover into the game. 5508 
I begin to like my active crossover. 5496 
Line-level passive vs. active ULF filter 5494 
Hm, there is no way to escape the 4th order. 5494 
Phase butterfly effect. 5493 
Back to DSP? 5493 
What I am trying to accomplish. 5493 
The art of ULF volume adjustment. 5492 
Sitting on a fence with ULF 5490 
The overly-swallowable bass. 5483 
To deLamminate my ULF channel. 5482 
What a beautiful result!!! 5481 
Pipe Organ with 128' register in Augsburg, Germany 5475 
An absolute must for ULF channel. 5458 
The compartmentalized bass 5335 
Paralleled SET bass 5331 
A new concept of ULF channel. 5323 
Infinite baffle 5323 
A 4th order bandpass vibrator? 5323 
ULF idea, possibly stupid. 5322 
IB vs Horn 5322 
A Distributed Infinite Baffle? 5321 
"Tuning" the "IB" 5321 
Flip 90 degrees 5321 
Little bump and the elephant solutions 5321 
How to do THAT? 5320 
ULF from coffee table 5320 
The through-hole tapped horn. 5320 
25 hz at 6db? 5320 
ULF from the SledgeHammer 5320 
Why not really use the basement 5320 
Never say never 5320 
How good ULF needs to be? 5309 
How good the user needs to be? 5309 
Maybe . . . 5309 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5309 
Narrow [Band] Tuning (DSP?) 5309 
ULF-only Sound 5269 
An easy ULF solution for someone. 5261 
Red Grills 5261 
It is exactly what I would like to avoid. 5260 
So I took your advice 5202 
Ok, let me know how it goes. 5202 
The ULF amp Itch. 5188 
Here is an update for the old thread.... 2809 
Good highs 2809 
Marchand 1866 
What truly are you tryin to accomplish? 1866 
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