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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. 5724 
A mono LF channel – I do not like it. 5720 
LF Results 5720 
The size maters 5719 
Response Curve 5719 
ULF placement and power 5719 
Wishful thinking and the Maelstrom-21 5719 
I will need a direct radiator under the bottom… 5719 
ULF experience: Drivers & power considerations cont'd 5718 
To experiment during the New England winter 5718 
Pitching pitch 5718 
There are many key points…. 5718 
A first true bass test 5702 
Actually…. 5702 
Best place lost? 5697 
Best location for bass, where art thou? 5697 
What to expect from ULF channel? 5681 
OK, it is something. 5680 
The new ULF scenario experiments. 5673 
Time coherence of ULF - my experience 5673 
Placement of ULF #2 5673 
Why I like the like the location #1 5673 
I need to find another ULF solution. 5665 
Ceiling subs 5664 
The infinite baffle shall be a very good solution. 5664 
This morning I woke up horny 5664 
Dsp 5664 
Parametric filters 5663 
SMS 1, Act II 5663 
I think I have found the problem with my ULF 5663 
SMS distortion issue? 5663 
At 30Hz of high order there are not truly tone” of “sound” 5663 
DCX output stage mods 5663 
Very small minority of the folks… 5663 
Exactly zero I suspect. . . 5663 
DSP vs. Music vs. HT 5663 
10" array; how low? & SMS-1 distortion 5663 
Interesting: 10” vs. 15” 5663 
Multiples of the Same Rising Response Curve? 5663 
The crisis of perception. 5662 
Dynamic range of ULF, tsunami and something else. 5661 
The Circle Unbroken 5661 
I wonder… is it PP2000? 5645 
The ULF and PurePower 2000 5636 
ULF Channel and LP playback. 5579 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5577 
I do not have an opinion yet. 5577 
Imponderabilis Neurosis 5577 
Bass non-pathologic hallucination… 5577 
A new paradigm for ULF? 5577 
…a number of logical flaws… 5577 
MAD HATTER 5576 
Thinking about my lower bass 5556 
Has Schrödinger's cat moved in unnoticed? 5556 
Wrong. 5556 
Groove Echo 5556 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5555 
Listening help with ULF stimulator 5555 
The ULF debate: time-alignment 5553 
Trying to address the dilemma with lowest bass. 5552 
Rotary woofer for ULF? 5552 
I do not need a Rotary woofer, I need to be less Moron. 5552 
*** 5552 
Congrats 5551 
Getting some maturity with ULF 5550 
About ULF attenuation. 5549 
How is it implemented? 5549 
My implementation of ULF channel. 5549 
Further thoughts about ULF channel. 5548 
ULF 5548 
I would agree but… 5548 
The problem that that I see with my ULF 5548 
Loudspeaker Proximity Coupling in Midbass & ULF 5548 
Great rotary idea! 5548 
Brilliant analyses! 5548 
Going down with bass 5546 
Under FS 5546 
Ideal ULF/Midbass integration 5546 
My super smart room! 5546 
Erratum ( or errata if you insist) 5546 
The issue is a complex one and should not be addressed generically ... 5546 
Cost benefit analysis of midbass horns v/s compromised ULF 5546 
There is no cost-benefit analysis for this thing. 5546 
I will experiment. 5546 
Sometimes experiment is not just experiment. 5546 
One Bass Horn or Two – for Oxric 5545 
My ways to mimic Reality. 5545 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5545 
"the purpose of playing, whose end both at the first and now..." 5545 
No manuals for those things…. 5545 
More about Rotary ULF idea. 5540 
Phoenix Gold Cyclone 5540 
Passing the waves…. as usual.... 5536 
Drive ULF Amp from Midbass Amp Output 5535 
There is “something”… 5535 
I do not know what I deal with. 5534 
I want my ULF amp back. 5523 
ULF emergency: Big & nasty solutions 5522 
No-amplification time 5522 
Listening audio without ULF. 5521 
Ok, I got the bass amp… 5521 
How much power do I need for my ULF. 5511 
A True ULF - what an amassing tool!!! 5509 
Put Marchand Crossover into the game. 5505 
I begin to like my active crossover. 5493 
Line-level passive vs. active ULF filter 5491 
Hm, there is no way to escape the 4th order. 5491 
Phase butterfly effect. 5490 
Back to DSP? 5490 
What I am trying to accomplish. 5490 
The art of ULF volume adjustment. 5489 
Sitting on a fence with ULF 5487 
The overly-swallowable bass. 5480 
To deLamminate my ULF channel. 5479 
What a beautiful result!!! 5478 
Pipe Organ with 128' register in Augsburg, Germany 5472 
An absolute must for ULF channel. 5455 
The compartmentalized bass 5332 
Paralleled SET bass 5328 
A new concept of ULF channel. 5320 
Infinite baffle 5320 
A 4th order bandpass vibrator? 5320 
ULF idea, possibly stupid. 5319 
IB vs Horn 5319 
A Distributed Infinite Baffle? 5318 
"Tuning" the "IB" 5318 
Flip 90 degrees 5318 
Little bump and the elephant solutions 5318 
How to do THAT? 5317 
ULF from coffee table 5317 
The through-hole tapped horn. 5317 
25 hz at 6db? 5317 
ULF from the SledgeHammer 5317 
Why not really use the basement 5317 
Never say never 5317 
How good ULF needs to be? 5306 
How good the user needs to be? 5306 
Maybe . . . 5306 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5306 
Narrow [Band] Tuning (DSP?) 5306 
ULF-only Sound 5266 
An easy ULF solution for someone. 5258 
Red Grills 5258 
It is exactly what I would like to avoid. 5257 
So I took your advice 5199 
Ok, let me know how it goes. 5199 
The ULF amp Itch. 5185 
Here is an update for the old thread.... 2806 
Good highs 2806 
Marchand 1863 
What truly are you tryin to accomplish? 1863 
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