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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. 5736 
A mono LF channel – I do not like it. 5732 
LF Results 5732 
The size maters 5731 
Response Curve 5731 
ULF placement and power 5731 
Wishful thinking and the Maelstrom-21 5731 
I will need a direct radiator under the bottom… 5731 
ULF experience: Drivers & power considerations cont'd 5730 
To experiment during the New England winter 5730 
Pitching pitch 5730 
There are many key points…. 5730 
A first true bass test 5714 
Actually…. 5714 
Best place lost? 5709 
Best location for bass, where art thou? 5709 
What to expect from ULF channel? 5693 
OK, it is something. 5692 
The new ULF scenario experiments. 5685 
Time coherence of ULF - my experience 5685 
Placement of ULF #2 5685 
Why I like the like the location #1 5685 
I need to find another ULF solution. 5677 
Ceiling subs 5676 
The infinite baffle shall be a very good solution. 5676 
This morning I woke up horny 5676 
Dsp 5676 
Parametric filters 5675 
SMS 1, Act II 5675 
I think I have found the problem with my ULF 5675 
SMS distortion issue? 5675 
At 30Hz of high order there are not truly tone” of “sound” 5675 
DCX output stage mods 5675 
Very small minority of the folks… 5675 
Exactly zero I suspect. . . 5675 
DSP vs. Music vs. HT 5675 
10" array; how low? & SMS-1 distortion 5675 
Interesting: 10” vs. 15” 5675 
Multiples of the Same Rising Response Curve? 5675 
The crisis of perception. 5674 
Dynamic range of ULF, tsunami and something else. 5673 
The Circle Unbroken 5673 
I wonder… is it PP2000? 5657 
The ULF and PurePower 2000 5648 
ULF Channel and LP playback. 5591 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5589 
I do not have an opinion yet. 5589 
Imponderabilis Neurosis 5589 
Bass non-pathologic hallucination… 5589 
A new paradigm for ULF? 5589 
…a number of logical flaws… 5589 
MAD HATTER 5588 
Thinking about my lower bass 5568 
Has Schrödinger's cat moved in unnoticed? 5568 
Wrong. 5568 
Groove Echo 5568 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5567 
Listening help with ULF stimulator 5567 
The ULF debate: time-alignment 5565 
Trying to address the dilemma with lowest bass. 5564 
Rotary woofer for ULF? 5564 
I do not need a Rotary woofer, I need to be less Moron. 5564 
*** 5564 
Congrats 5563 
Getting some maturity with ULF 5562 
About ULF attenuation. 5561 
How is it implemented? 5561 
My implementation of ULF channel. 5561 
Further thoughts about ULF channel. 5560 
ULF 5560 
I would agree but… 5560 
The problem that that I see with my ULF 5560 
Loudspeaker Proximity Coupling in Midbass & ULF 5560 
Great rotary idea! 5560 
Brilliant analyses! 5560 
Going down with bass 5558 
Under FS 5558 
Ideal ULF/Midbass integration 5558 
My super smart room! 5558 
Erratum ( or errata if you insist) 5558 
The issue is a complex one and should not be addressed generically ... 5558 
Cost benefit analysis of midbass horns v/s compromised ULF 5558 
There is no cost-benefit analysis for this thing. 5558 
I will experiment. 5558 
Sometimes experiment is not just experiment. 5558 
One Bass Horn or Two – for Oxric 5557 
My ways to mimic Reality. 5557 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5557 
"the purpose of playing, whose end both at the first and now..." 5557 
No manuals for those things…. 5557 
More about Rotary ULF idea. 5552 
Phoenix Gold Cyclone 5552 
Passing the waves…. as usual.... 5548 
Drive ULF Amp from Midbass Amp Output 5547 
There is “something”… 5547 
I do not know what I deal with. 5546 
I want my ULF amp back. 5535 
ULF emergency: Big & nasty solutions 5534 
No-amplification time 5534 
Listening audio without ULF. 5533 
Ok, I got the bass amp… 5533 
How much power do I need for my ULF. 5523 
A True ULF - what an amassing tool!!! 5521 
Put Marchand Crossover into the game. 5517 
I begin to like my active crossover. 5505 
Line-level passive vs. active ULF filter 5503 
Hm, there is no way to escape the 4th order. 5503 
Phase butterfly effect. 5502 
Back to DSP? 5502 
What I am trying to accomplish. 5502 
The art of ULF volume adjustment. 5501 
Sitting on a fence with ULF 5499 
The overly-swallowable bass. 5492 
To deLamminate my ULF channel. 5491 
What a beautiful result!!! 5490 
Pipe Organ with 128' register in Augsburg, Germany 5484 
An absolute must for ULF channel. 5467 
The compartmentalized bass 5344 
Paralleled SET bass 5340 
A new concept of ULF channel. 5332 
Infinite baffle 5332 
A 4th order bandpass vibrator? 5332 
ULF idea, possibly stupid. 5331 
IB vs Horn 5331 
A Distributed Infinite Baffle? 5330 
"Tuning" the "IB" 5330 
Flip 90 degrees 5330 
Little bump and the elephant solutions 5330 
How to do THAT? 5329 
ULF from coffee table 5329 
The through-hole tapped horn. 5329 
25 hz at 6db? 5329 
ULF from the SledgeHammer 5329 
Why not really use the basement 5329 
Never say never 5329 
How good ULF needs to be? 5318 
How good the user needs to be? 5318 
Maybe . . . 5318 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5318 
Narrow [Band] Tuning (DSP?) 5318 
ULF-only Sound 5278 
An easy ULF solution for someone. 5270 
Red Grills 5270 
It is exactly what I would like to avoid. 5269 
So I took your advice 5211 
Ok, let me know how it goes. 5211 
The ULF amp Itch. 5197 
Here is an update for the old thread.... 2818 
Good highs 2818 
Marchand 1875 
What truly are you tryin to accomplish? 1875 
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