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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. 5776 
A mono LF channel – I do not like it. 5772 
LF Results 5772 
The size maters 5771 
Response Curve 5771 
ULF placement and power 5771 
Wishful thinking and the Maelstrom-21 5771 
I will need a direct radiator under the bottom… 5771 
ULF experience: Drivers & power considerations cont'd 5770 
To experiment during the New England winter 5770 
Pitching pitch 5770 
There are many key points…. 5770 
A first true bass test 5754 
Actually…. 5754 
Best place lost? 5749 
Best location for bass, where art thou? 5749 
What to expect from ULF channel? 5733 
OK, it is something. 5732 
The new ULF scenario experiments. 5725 
Time coherence of ULF - my experience 5725 
Placement of ULF #2 5725 
Why I like the like the location #1 5725 
I need to find another ULF solution. 5717 
Ceiling subs 5716 
The infinite baffle shall be a very good solution. 5716 
This morning I woke up horny 5716 
Dsp 5716 
Parametric filters 5715 
SMS 1, Act II 5715 
I think I have found the problem with my ULF 5715 
SMS distortion issue? 5715 
At 30Hz of high order there are not truly tone” of “sound” 5715 
DCX output stage mods 5715 
Very small minority of the folks… 5715 
Exactly zero I suspect. . . 5715 
DSP vs. Music vs. HT 5715 
10" array; how low? & SMS-1 distortion 5715 
Interesting: 10” vs. 15” 5715 
Multiples of the Same Rising Response Curve? 5715 
The crisis of perception. 5714 
Dynamic range of ULF, tsunami and something else. 5713 
The Circle Unbroken 5713 
I wonder… is it PP2000? 5697 
The ULF and PurePower 2000 5688 
ULF Channel and LP playback. 5631 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5629 
I do not have an opinion yet. 5629 
Imponderabilis Neurosis 5629 
Bass non-pathologic hallucination… 5629 
A new paradigm for ULF? 5629 
…a number of logical flaws… 5629 
MAD HATTER 5628 
Thinking about my lower bass 5608 
Has Schrödinger's cat moved in unnoticed? 5608 
Wrong. 5608 
Groove Echo 5608 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5607 
Listening help with ULF stimulator 5607 
The ULF debate: time-alignment 5605 
Trying to address the dilemma with lowest bass. 5604 
Rotary woofer for ULF? 5604 
I do not need a Rotary woofer, I need to be less Moron. 5604 
*** 5604 
Congrats 5603 
Getting some maturity with ULF 5602 
About ULF attenuation. 5601 
How is it implemented? 5601 
My implementation of ULF channel. 5601 
Further thoughts about ULF channel. 5600 
ULF 5600 
I would agree but… 5600 
The problem that that I see with my ULF 5600 
Loudspeaker Proximity Coupling in Midbass & ULF 5600 
Great rotary idea! 5600 
Brilliant analyses! 5600 
Going down with bass 5598 
Under FS 5598 
Ideal ULF/Midbass integration 5598 
My super smart room! 5598 
Erratum ( or errata if you insist) 5598 
The issue is a complex one and should not be addressed generically ... 5598 
Cost benefit analysis of midbass horns v/s compromised ULF 5598 
There is no cost-benefit analysis for this thing. 5598 
I will experiment. 5598 
Sometimes experiment is not just experiment. 5598 
One Bass Horn or Two – for Oxric 5597 
My ways to mimic Reality. 5597 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5597 
"the purpose of playing, whose end both at the first and now..." 5597 
No manuals for those things…. 5597 
More about Rotary ULF idea. 5592 
Phoenix Gold Cyclone 5592 
Passing the waves…. as usual.... 5588 
Drive ULF Amp from Midbass Amp Output 5587 
There is “something”… 5587 
I do not know what I deal with. 5586 
I want my ULF amp back. 5575 
ULF emergency: Big & nasty solutions 5574 
No-amplification time 5574 
Listening audio without ULF. 5573 
Ok, I got the bass amp… 5573 
How much power do I need for my ULF. 5563 
A True ULF - what an amassing tool!!! 5561 
Put Marchand Crossover into the game. 5557 
I begin to like my active crossover. 5545 
Line-level passive vs. active ULF filter 5543 
Hm, there is no way to escape the 4th order. 5543 
Phase butterfly effect. 5542 
Back to DSP? 5542 
What I am trying to accomplish. 5542 
The art of ULF volume adjustment. 5541 
Sitting on a fence with ULF 5539 
The overly-swallowable bass. 5532 
To deLamminate my ULF channel. 5531 
What a beautiful result!!! 5530 
Pipe Organ with 128' register in Augsburg, Germany 5524 
An absolute must for ULF channel. 5507 
The compartmentalized bass 5384 
Paralleled SET bass 5380 
A new concept of ULF channel. 5372 
Infinite baffle 5372 
A 4th order bandpass vibrator? 5372 
ULF idea, possibly stupid. 5371 
IB vs Horn 5371 
A Distributed Infinite Baffle? 5370 
"Tuning" the "IB" 5370 
Flip 90 degrees 5370 
Little bump and the elephant solutions 5370 
How to do THAT? 5369 
ULF from coffee table 5369 
The through-hole tapped horn. 5369 
25 hz at 6db? 5369 
ULF from the SledgeHammer 5369 
Why not really use the basement 5369 
Never say never 5369 
How good ULF needs to be? 5358 
How good the user needs to be? 5358 
Maybe . . . 5358 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5358 
Narrow [Band] Tuning (DSP?) 5358 
ULF-only Sound 5318 
An easy ULF solution for someone. 5310 
Red Grills 5310 
It is exactly what I would like to avoid. 5309 
So I took your advice 5251 
Ok, let me know how it goes. 5251 
The ULF amp Itch. 5237 
Here is an update for the old thread.... 2858 
Good highs 2858 
Marchand 1915 
What truly are you tryin to accomplish? 1915 
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