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Site News: 26 Aug 2026

Romy the Cat has found another room. I’ve started a new fiction project under my name, Roman Bessnow. The new work is at MutationsBook.com
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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Macondo’s lowest channel. 5851 
A mono LF channel – I do not like it. 5847 
LF Results 5847 
The size maters 5846 
Response Curve 5846 
ULF placement and power 5846 
Wishful thinking and the Maelstrom-21 5846 
I will need a direct radiator under the bottom… 5846 
ULF experience: Drivers & power considerations cont'd 5845 
To experiment during the New England winter 5845 
Pitching pitch 5845 
There are many key points…. 5845 
A first true bass test 5829 
Actually…. 5829 
Best place lost? 5824 
Best location for bass, where art thou? 5824 
What to expect from ULF channel? 5808 
OK, it is something. 5807 
The new ULF scenario experiments. 5800 
Time coherence of ULF - my experience 5800 
Placement of ULF #2 5800 
Why I like the like the location #1 5800 
I need to find another ULF solution. 5792 
Ceiling subs 5791 
The infinite baffle shall be a very good solution. 5791 
This morning I woke up horny 5791 
Dsp 5791 
Parametric filters 5790 
SMS 1, Act II 5790 
I think I have found the problem with my ULF 5790 
SMS distortion issue? 5790 
At 30Hz of high order there are not truly tone” of “sound” 5790 
DCX output stage mods 5790 
Very small minority of the folks… 5790 
Exactly zero I suspect. . . 5790 
DSP vs. Music vs. HT 5790 
10" array; how low? & SMS-1 distortion 5790 
Interesting: 10” vs. 15” 5790 
Multiples of the Same Rising Response Curve? 5790 
The crisis of perception. 5789 
Dynamic range of ULF, tsunami and something else. 5788 
The Circle Unbroken 5788 
I wonder… is it PP2000? 5772 
The ULF and PurePower 2000 5763 
ULF Channel and LP playback. 5706 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5704 
I do not have an opinion yet. 5704 
Imponderabilis Neurosis 5704 
Bass non-pathologic hallucination… 5704 
A new paradigm for ULF? 5704 
…a number of logical flaws… 5704 
MAD HATTER 5703 
Thinking about my lower bass 5683 
Has Schrödinger's cat moved in unnoticed? 5683 
Wrong. 5683 
Groove Echo 5683 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5682 
Listening help with ULF stimulator 5682 
The ULF debate: time-alignment 5680 
Trying to address the dilemma with lowest bass. 5679 
Rotary woofer for ULF? 5679 
I do not need a Rotary woofer, I need to be less Moron. 5679 
*** 5679 
Congrats 5678 
Getting some maturity with ULF 5677 
About ULF attenuation. 5676 
How is it implemented? 5676 
My implementation of ULF channel. 5676 
Further thoughts about ULF channel. 5675 
ULF 5675 
I would agree but… 5675 
The problem that that I see with my ULF 5675 
Loudspeaker Proximity Coupling in Midbass & ULF 5675 
Great rotary idea! 5675 
Brilliant analyses! 5675 
Going down with bass 5673 
Under FS 5673 
Ideal ULF/Midbass integration 5673 
My super smart room! 5673 
Erratum ( or errata if you insist) 5673 
The issue is a complex one and should not be addressed generically ... 5673 
Cost benefit analysis of midbass horns v/s compromised ULF 5673 
There is no cost-benefit analysis for this thing. 5673 
I will experiment. 5673 
Sometimes experiment is not just experiment. 5673 
One Bass Horn or Two – for Oxric 5672 
My ways to mimic Reality. 5672 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5672 
"the purpose of playing, whose end both at the first and now..." 5672 
No manuals for those things…. 5672 
More about Rotary ULF idea. 5667 
Phoenix Gold Cyclone 5667 
Passing the waves…. as usual.... 5663 
Drive ULF Amp from Midbass Amp Output 5662 
There is “something”… 5662 
I do not know what I deal with. 5661 
I want my ULF amp back. 5650 
ULF emergency: Big & nasty solutions 5649 
No-amplification time 5649 
Listening audio without ULF. 5648 
Ok, I got the bass amp… 5648 
How much power do I need for my ULF. 5638 
A True ULF - what an amassing tool!!! 5636 
Put Marchand Crossover into the game. 5632 
I begin to like my active crossover. 5620 
Line-level passive vs. active ULF filter 5618 
Hm, there is no way to escape the 4th order. 5618 
Phase butterfly effect. 5617 
Back to DSP? 5617 
What I am trying to accomplish. 5617 
The art of ULF volume adjustment. 5616 
Sitting on a fence with ULF 5614 
The overly-swallowable bass. 5607 
To deLamminate my ULF channel. 5606 
What a beautiful result!!! 5605 
Pipe Organ with 128' register in Augsburg, Germany 5599 
An absolute must for ULF channel. 5582 
The compartmentalized bass 5459 
Paralleled SET bass 5455 
A new concept of ULF channel. 5447 
Infinite baffle 5447 
A 4th order bandpass vibrator? 5447 
ULF idea, possibly stupid. 5446 
IB vs Horn 5446 
A Distributed Infinite Baffle? 5445 
"Tuning" the "IB" 5445 
Flip 90 degrees 5445 
Little bump and the elephant solutions 5445 
How to do THAT? 5444 
ULF from coffee table 5444 
The through-hole tapped horn. 5444 
25 hz at 6db? 5444 
ULF from the SledgeHammer 5444 
Why not really use the basement 5444 
Never say never 5444 
How good ULF needs to be? 5433 
How good the user needs to be? 5433 
Maybe . . . 5433 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5433 
Narrow [Band] Tuning (DSP?) 5433 
ULF-only Sound 5393 
An easy ULF solution for someone. 5385 
Red Grills 5385 
It is exactly what I would like to avoid. 5384 
So I took your advice 5326 
Ok, let me know how it goes. 5326 
The ULF amp Itch. 5312 
Here is an update for the old thread.... 2933 
Good highs 2933 
Marchand 1990 
What truly are you tryin to accomplish? 1990 
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