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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. 5725 
A mono LF channel – I do not like it. 5721 
LF Results 5721 
The size maters 5720 
Response Curve 5720 
ULF placement and power 5720 
Wishful thinking and the Maelstrom-21 5720 
I will need a direct radiator under the bottom… 5720 
ULF experience: Drivers & power considerations cont'd 5719 
To experiment during the New England winter 5719 
Pitching pitch 5719 
There are many key points…. 5719 
A first true bass test 5703 
Actually…. 5703 
Best place lost? 5698 
Best location for bass, where art thou? 5698 
What to expect from ULF channel? 5682 
OK, it is something. 5681 
The new ULF scenario experiments. 5674 
Time coherence of ULF - my experience 5674 
Placement of ULF #2 5674 
Why I like the like the location #1 5674 
I need to find another ULF solution. 5666 
Ceiling subs 5665 
The infinite baffle shall be a very good solution. 5665 
This morning I woke up horny 5665 
Dsp 5665 
Parametric filters 5664 
SMS 1, Act II 5664 
I think I have found the problem with my ULF 5664 
SMS distortion issue? 5664 
At 30Hz of high order there are not truly tone” of “sound” 5664 
DCX output stage mods 5664 
Very small minority of the folks… 5664 
Exactly zero I suspect. . . 5664 
DSP vs. Music vs. HT 5664 
10" array; how low? & SMS-1 distortion 5664 
Interesting: 10” vs. 15” 5664 
Multiples of the Same Rising Response Curve? 5664 
The crisis of perception. 5663 
Dynamic range of ULF, tsunami and something else. 5662 
The Circle Unbroken 5662 
I wonder… is it PP2000? 5646 
The ULF and PurePower 2000 5637 
ULF Channel and LP playback. 5580 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5578 
I do not have an opinion yet. 5578 
Imponderabilis Neurosis 5578 
Bass non-pathologic hallucination… 5578 
A new paradigm for ULF? 5578 
…a number of logical flaws… 5578 
MAD HATTER 5577 
Thinking about my lower bass 5557 
Has Schrödinger's cat moved in unnoticed? 5557 
Wrong. 5557 
Groove Echo 5557 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5556 
Listening help with ULF stimulator 5556 
The ULF debate: time-alignment 5554 
Trying to address the dilemma with lowest bass. 5553 
Rotary woofer for ULF? 5553 
I do not need a Rotary woofer, I need to be less Moron. 5553 
*** 5553 
Congrats 5552 
Getting some maturity with ULF 5551 
About ULF attenuation. 5550 
How is it implemented? 5550 
My implementation of ULF channel. 5550 
Further thoughts about ULF channel. 5549 
ULF 5549 
I would agree but… 5549 
The problem that that I see with my ULF 5549 
Loudspeaker Proximity Coupling in Midbass & ULF 5549 
Great rotary idea! 5549 
Brilliant analyses! 5549 
Going down with bass 5547 
Under FS 5547 
Ideal ULF/Midbass integration 5547 
My super smart room! 5547 
Erratum ( or errata if you insist) 5547 
The issue is a complex one and should not be addressed generically ... 5547 
Cost benefit analysis of midbass horns v/s compromised ULF 5547 
There is no cost-benefit analysis for this thing. 5547 
I will experiment. 5547 
Sometimes experiment is not just experiment. 5547 
One Bass Horn or Two – for Oxric 5546 
My ways to mimic Reality. 5546 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5546 
"the purpose of playing, whose end both at the first and now..." 5546 
No manuals for those things…. 5546 
More about Rotary ULF idea. 5541 
Phoenix Gold Cyclone 5541 
Passing the waves…. as usual.... 5537 
Drive ULF Amp from Midbass Amp Output 5536 
There is “something”… 5536 
I do not know what I deal with. 5535 
I want my ULF amp back. 5524 
ULF emergency: Big & nasty solutions 5523 
No-amplification time 5523 
Listening audio without ULF. 5522 
Ok, I got the bass amp… 5522 
How much power do I need for my ULF. 5512 
A True ULF - what an amassing tool!!! 5510 
Put Marchand Crossover into the game. 5506 
I begin to like my active crossover. 5494 
Line-level passive vs. active ULF filter 5492 
Hm, there is no way to escape the 4th order. 5492 
Phase butterfly effect. 5491 
Back to DSP? 5491 
What I am trying to accomplish. 5491 
The art of ULF volume adjustment. 5490 
Sitting on a fence with ULF 5488 
The overly-swallowable bass. 5481 
To deLamminate my ULF channel. 5480 
What a beautiful result!!! 5479 
Pipe Organ with 128' register in Augsburg, Germany 5473 
An absolute must for ULF channel. 5456 
The compartmentalized bass 5333 
Paralleled SET bass 5329 
A new concept of ULF channel. 5321 
Infinite baffle 5321 
A 4th order bandpass vibrator? 5321 
ULF idea, possibly stupid. 5320 
IB vs Horn 5320 
A Distributed Infinite Baffle? 5319 
"Tuning" the "IB" 5319 
Flip 90 degrees 5319 
Little bump and the elephant solutions 5319 
How to do THAT? 5318 
ULF from coffee table 5318 
The through-hole tapped horn. 5318 
25 hz at 6db? 5318 
ULF from the SledgeHammer 5318 
Why not really use the basement 5318 
Never say never 5318 
How good ULF needs to be? 5307 
How good the user needs to be? 5307 
Maybe . . . 5307 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5307 
Narrow [Band] Tuning (DSP?) 5307 
ULF-only Sound 5267 
An easy ULF solution for someone. 5259 
Red Grills 5259 
It is exactly what I would like to avoid. 5258 
So I took your advice 5200 
Ok, let me know how it goes. 5200 
The ULF amp Itch. 5186 
Here is an update for the old thread.... 2807 
Good highs 2807 
Marchand 1864 
What truly are you tryin to accomplish? 1864 
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