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Site News: 20 Jul 2026

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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Macondo’s lowest channel. 5822 
A mono LF channel – I do not like it. 5818 
LF Results 5818 
The size maters 5817 
Response Curve 5817 
ULF placement and power 5817 
Wishful thinking and the Maelstrom-21 5817 
I will need a direct radiator under the bottom… 5817 
ULF experience: Drivers & power considerations cont'd 5816 
To experiment during the New England winter 5816 
Pitching pitch 5816 
There are many key points…. 5816 
A first true bass test 5800 
Actually…. 5800 
Best place lost? 5795 
Best location for bass, where art thou? 5795 
What to expect from ULF channel? 5779 
OK, it is something. 5778 
The new ULF scenario experiments. 5771 
Time coherence of ULF - my experience 5771 
Placement of ULF #2 5771 
Why I like the like the location #1 5771 
I need to find another ULF solution. 5763 
Ceiling subs 5762 
The infinite baffle shall be a very good solution. 5762 
This morning I woke up horny 5762 
Dsp 5762 
Parametric filters 5761 
SMS 1, Act II 5761 
I think I have found the problem with my ULF 5761 
SMS distortion issue? 5761 
At 30Hz of high order there are not truly tone” of “sound” 5761 
DCX output stage mods 5761 
Very small minority of the folks… 5761 
Exactly zero I suspect. . . 5761 
DSP vs. Music vs. HT 5761 
10" array; how low? & SMS-1 distortion 5761 
Interesting: 10” vs. 15” 5761 
Multiples of the Same Rising Response Curve? 5761 
The crisis of perception. 5760 
Dynamic range of ULF, tsunami and something else. 5759 
The Circle Unbroken 5759 
I wonder… is it PP2000? 5743 
The ULF and PurePower 2000 5734 
ULF Channel and LP playback. 5677 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5675 
I do not have an opinion yet. 5675 
Imponderabilis Neurosis 5675 
Bass non-pathologic hallucination… 5675 
A new paradigm for ULF? 5675 
…a number of logical flaws… 5675 
MAD HATTER 5674 
Thinking about my lower bass 5654 
Has Schrödinger's cat moved in unnoticed? 5654 
Wrong. 5654 
Groove Echo 5654 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5653 
Listening help with ULF stimulator 5653 
The ULF debate: time-alignment 5651 
Trying to address the dilemma with lowest bass. 5650 
Rotary woofer for ULF? 5650 
I do not need a Rotary woofer, I need to be less Moron. 5650 
*** 5650 
Congrats 5649 
Getting some maturity with ULF 5648 
About ULF attenuation. 5647 
How is it implemented? 5647 
My implementation of ULF channel. 5647 
Further thoughts about ULF channel. 5646 
ULF 5646 
I would agree but… 5646 
The problem that that I see with my ULF 5646 
Loudspeaker Proximity Coupling in Midbass & ULF 5646 
Great rotary idea! 5646 
Brilliant analyses! 5646 
Going down with bass 5644 
Under FS 5644 
Ideal ULF/Midbass integration 5644 
My super smart room! 5644 
Erratum ( or errata if you insist) 5644 
The issue is a complex one and should not be addressed generically ... 5644 
Cost benefit analysis of midbass horns v/s compromised ULF 5644 
There is no cost-benefit analysis for this thing. 5644 
I will experiment. 5644 
Sometimes experiment is not just experiment. 5644 
One Bass Horn or Two – for Oxric 5643 
My ways to mimic Reality. 5643 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5643 
"the purpose of playing, whose end both at the first and now..." 5643 
No manuals for those things…. 5643 
More about Rotary ULF idea. 5638 
Phoenix Gold Cyclone 5638 
Passing the waves…. as usual.... 5634 
Drive ULF Amp from Midbass Amp Output 5633 
There is “something”… 5633 
I do not know what I deal with. 5632 
I want my ULF amp back. 5621 
ULF emergency: Big & nasty solutions 5620 
No-amplification time 5620 
Listening audio without ULF. 5619 
Ok, I got the bass amp… 5619 
How much power do I need for my ULF. 5609 
A True ULF - what an amassing tool!!! 5607 
Put Marchand Crossover into the game. 5603 
I begin to like my active crossover. 5591 
Line-level passive vs. active ULF filter 5589 
Hm, there is no way to escape the 4th order. 5589 
Phase butterfly effect. 5588 
Back to DSP? 5588 
What I am trying to accomplish. 5588 
The art of ULF volume adjustment. 5587 
Sitting on a fence with ULF 5585 
The overly-swallowable bass. 5578 
To deLamminate my ULF channel. 5577 
What a beautiful result!!! 5576 
Pipe Organ with 128' register in Augsburg, Germany 5570 
An absolute must for ULF channel. 5553 
The compartmentalized bass 5430 
Paralleled SET bass 5426 
A new concept of ULF channel. 5418 
Infinite baffle 5418 
A 4th order bandpass vibrator? 5418 
ULF idea, possibly stupid. 5417 
IB vs Horn 5417 
A Distributed Infinite Baffle? 5416 
"Tuning" the "IB" 5416 
Flip 90 degrees 5416 
Little bump and the elephant solutions 5416 
How to do THAT? 5415 
ULF from coffee table 5415 
The through-hole tapped horn. 5415 
25 hz at 6db? 5415 
ULF from the SledgeHammer 5415 
Why not really use the basement 5415 
Never say never 5415 
How good ULF needs to be? 5404 
How good the user needs to be? 5404 
Maybe . . . 5404 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5404 
Narrow [Band] Tuning (DSP?) 5404 
ULF-only Sound 5364 
An easy ULF solution for someone. 5356 
Red Grills 5356 
It is exactly what I would like to avoid. 5355 
So I took your advice 5297 
Ok, let me know how it goes. 5297 
The ULF amp Itch. 5283 
Here is an update for the old thread.... 2904 
Good highs 2904 
Marchand 1961 
What truly are you tryin to accomplish? 1961 
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