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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. 5845 
A mono LF channel – I do not like it. 5841 
LF Results 5841 
The size maters 5840 
Response Curve 5840 
ULF placement and power 5840 
Wishful thinking and the Maelstrom-21 5840 
I will need a direct radiator under the bottom… 5840 
ULF experience: Drivers & power considerations cont'd 5839 
To experiment during the New England winter 5839 
Pitching pitch 5839 
There are many key points…. 5839 
A first true bass test 5823 
Actually…. 5823 
Best place lost? 5818 
Best location for bass, where art thou? 5818 
What to expect from ULF channel? 5802 
OK, it is something. 5801 
The new ULF scenario experiments. 5794 
Time coherence of ULF - my experience 5794 
Placement of ULF #2 5794 
Why I like the like the location #1 5794 
I need to find another ULF solution. 5786 
Ceiling subs 5785 
The infinite baffle shall be a very good solution. 5785 
This morning I woke up horny 5785 
Dsp 5785 
Parametric filters 5784 
SMS 1, Act II 5784 
I think I have found the problem with my ULF 5784 
SMS distortion issue? 5784 
At 30Hz of high order there are not truly tone” of “sound” 5784 
DCX output stage mods 5784 
Very small minority of the folks… 5784 
Exactly zero I suspect. . . 5784 
DSP vs. Music vs. HT 5784 
10" array; how low? & SMS-1 distortion 5784 
Interesting: 10” vs. 15” 5784 
Multiples of the Same Rising Response Curve? 5784 
The crisis of perception. 5783 
Dynamic range of ULF, tsunami and something else. 5782 
The Circle Unbroken 5782 
I wonder… is it PP2000? 5766 
The ULF and PurePower 2000 5757 
ULF Channel and LP playback. 5700 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5698 
I do not have an opinion yet. 5698 
Imponderabilis Neurosis 5698 
Bass non-pathologic hallucination… 5698 
A new paradigm for ULF? 5698 
…a number of logical flaws… 5698 
MAD HATTER 5697 
Thinking about my lower bass 5677 
Has Schrödinger's cat moved in unnoticed? 5677 
Wrong. 5677 
Groove Echo 5677 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5676 
Listening help with ULF stimulator 5676 
The ULF debate: time-alignment 5674 
Trying to address the dilemma with lowest bass. 5673 
Rotary woofer for ULF? 5673 
I do not need a Rotary woofer, I need to be less Moron. 5673 
*** 5673 
Congrats 5672 
Getting some maturity with ULF 5671 
About ULF attenuation. 5670 
How is it implemented? 5670 
My implementation of ULF channel. 5670 
Further thoughts about ULF channel. 5669 
ULF 5669 
I would agree but… 5669 
The problem that that I see with my ULF 5669 
Loudspeaker Proximity Coupling in Midbass & ULF 5669 
Great rotary idea! 5669 
Brilliant analyses! 5669 
Going down with bass 5667 
Under FS 5667 
Ideal ULF/Midbass integration 5667 
My super smart room! 5667 
Erratum ( or errata if you insist) 5667 
The issue is a complex one and should not be addressed generically ... 5667 
Cost benefit analysis of midbass horns v/s compromised ULF 5667 
There is no cost-benefit analysis for this thing. 5667 
I will experiment. 5667 
Sometimes experiment is not just experiment. 5667 
One Bass Horn or Two – for Oxric 5666 
My ways to mimic Reality. 5666 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5666 
"the purpose of playing, whose end both at the first and now..." 5666 
No manuals for those things…. 5666 
More about Rotary ULF idea. 5661 
Phoenix Gold Cyclone 5661 
Passing the waves…. as usual.... 5657 
Drive ULF Amp from Midbass Amp Output 5656 
There is “something”… 5656 
I do not know what I deal with. 5655 
I want my ULF amp back. 5644 
ULF emergency: Big & nasty solutions 5643 
No-amplification time 5643 
Listening audio without ULF. 5642 
Ok, I got the bass amp… 5642 
How much power do I need for my ULF. 5632 
A True ULF - what an amassing tool!!! 5630 
Put Marchand Crossover into the game. 5626 
I begin to like my active crossover. 5614 
Line-level passive vs. active ULF filter 5612 
Hm, there is no way to escape the 4th order. 5612 
Phase butterfly effect. 5611 
Back to DSP? 5611 
What I am trying to accomplish. 5611 
The art of ULF volume adjustment. 5610 
Sitting on a fence with ULF 5608 
The overly-swallowable bass. 5601 
To deLamminate my ULF channel. 5600 
What a beautiful result!!! 5599 
Pipe Organ with 128' register in Augsburg, Germany 5593 
An absolute must for ULF channel. 5576 
The compartmentalized bass 5453 
Paralleled SET bass 5449 
A new concept of ULF channel. 5441 
Infinite baffle 5441 
A 4th order bandpass vibrator? 5441 
ULF idea, possibly stupid. 5440 
IB vs Horn 5440 
A Distributed Infinite Baffle? 5439 
"Tuning" the "IB" 5439 
Flip 90 degrees 5439 
Little bump and the elephant solutions 5439 
How to do THAT? 5438 
ULF from coffee table 5438 
The through-hole tapped horn. 5438 
25 hz at 6db? 5438 
ULF from the SledgeHammer 5438 
Why not really use the basement 5438 
Never say never 5438 
How good ULF needs to be? 5427 
How good the user needs to be? 5427 
Maybe . . . 5427 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5427 
Narrow [Band] Tuning (DSP?) 5427 
ULF-only Sound 5387 
An easy ULF solution for someone. 5379 
Red Grills 5379 
It is exactly what I would like to avoid. 5378 
So I took your advice 5320 
Ok, let me know how it goes. 5320 
The ULF amp Itch. 5306 
Here is an update for the old thread.... 2927 
Good highs 2927 
Marchand 1984 
What truly are you tryin to accomplish? 1984 
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