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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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Romy the Cat's personal site dedicated to advanced audio and evolved music reproduction techniques
Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Macondo’s lowest channel. 5854 
A mono LF channel – I do not like it. 5850 
LF Results 5850 
The size maters 5849 
Response Curve 5849 
ULF placement and power 5849 
Wishful thinking and the Maelstrom-21 5849 
I will need a direct radiator under the bottom… 5849 
ULF experience: Drivers & power considerations cont'd 5848 
To experiment during the New England winter 5848 
Pitching pitch 5848 
There are many key points…. 5848 
A first true bass test 5832 
Actually…. 5832 
Best place lost? 5827 
Best location for bass, where art thou? 5827 
What to expect from ULF channel? 5811 
OK, it is something. 5810 
The new ULF scenario experiments. 5803 
Time coherence of ULF - my experience 5803 
Placement of ULF #2 5803 
Why I like the like the location #1 5803 
I need to find another ULF solution. 5795 
Ceiling subs 5794 
The infinite baffle shall be a very good solution. 5794 
This morning I woke up horny 5794 
Dsp 5794 
Parametric filters 5793 
SMS 1, Act II 5793 
I think I have found the problem with my ULF 5793 
SMS distortion issue? 5793 
At 30Hz of high order there are not truly tone” of “sound” 5793 
DCX output stage mods 5793 
Very small minority of the folks… 5793 
Exactly zero I suspect. . . 5793 
DSP vs. Music vs. HT 5793 
10" array; how low? & SMS-1 distortion 5793 
Interesting: 10” vs. 15” 5793 
Multiples of the Same Rising Response Curve? 5793 
The crisis of perception. 5792 
Dynamic range of ULF, tsunami and something else. 5791 
The Circle Unbroken 5791 
I wonder… is it PP2000? 5775 
The ULF and PurePower 2000 5766 
ULF Channel and LP playback. 5709 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5707 
I do not have an opinion yet. 5707 
Imponderabilis Neurosis 5707 
Bass non-pathologic hallucination… 5707 
A new paradigm for ULF? 5707 
…a number of logical flaws… 5707 
MAD HATTER 5706 
Thinking about my lower bass 5686 
Has Schrödinger's cat moved in unnoticed? 5686 
Wrong. 5686 
Groove Echo 5686 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5685 
Listening help with ULF stimulator 5685 
The ULF debate: time-alignment 5683 
Trying to address the dilemma with lowest bass. 5682 
Rotary woofer for ULF? 5682 
I do not need a Rotary woofer, I need to be less Moron. 5682 
*** 5682 
Congrats 5681 
Getting some maturity with ULF 5680 
About ULF attenuation. 5679 
How is it implemented? 5679 
My implementation of ULF channel. 5679 
Further thoughts about ULF channel. 5678 
ULF 5678 
I would agree but… 5678 
The problem that that I see with my ULF 5678 
Loudspeaker Proximity Coupling in Midbass & ULF 5678 
Great rotary idea! 5678 
Brilliant analyses! 5678 
Going down with bass 5676 
Under FS 5676 
Ideal ULF/Midbass integration 5676 
My super smart room! 5676 
Erratum ( or errata if you insist) 5676 
The issue is a complex one and should not be addressed generically ... 5676 
Cost benefit analysis of midbass horns v/s compromised ULF 5676 
There is no cost-benefit analysis for this thing. 5676 
I will experiment. 5676 
Sometimes experiment is not just experiment. 5676 
One Bass Horn or Two – for Oxric 5675 
My ways to mimic Reality. 5675 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5675 
"the purpose of playing, whose end both at the first and now..." 5675 
No manuals for those things…. 5675 
More about Rotary ULF idea. 5670 
Phoenix Gold Cyclone 5670 
Passing the waves…. as usual.... 5666 
Drive ULF Amp from Midbass Amp Output 5665 
There is “something”… 5665 
I do not know what I deal with. 5664 
I want my ULF amp back. 5653 
ULF emergency: Big & nasty solutions 5652 
No-amplification time 5652 
Listening audio without ULF. 5651 
Ok, I got the bass amp… 5651 
How much power do I need for my ULF. 5641 
A True ULF - what an amassing tool!!! 5639 
Put Marchand Crossover into the game. 5635 
I begin to like my active crossover. 5623 
Line-level passive vs. active ULF filter 5621 
Hm, there is no way to escape the 4th order. 5621 
Phase butterfly effect. 5620 
Back to DSP? 5620 
What I am trying to accomplish. 5620 
The art of ULF volume adjustment. 5619 
Sitting on a fence with ULF 5617 
The overly-swallowable bass. 5610 
To deLamminate my ULF channel. 5609 
What a beautiful result!!! 5608 
Pipe Organ with 128' register in Augsburg, Germany 5602 
An absolute must for ULF channel. 5585 
The compartmentalized bass 5462 
Paralleled SET bass 5458 
A new concept of ULF channel. 5450 
Infinite baffle 5450 
A 4th order bandpass vibrator? 5450 
ULF idea, possibly stupid. 5449 
IB vs Horn 5449 
A Distributed Infinite Baffle? 5448 
"Tuning" the "IB" 5448 
Flip 90 degrees 5448 
Little bump and the elephant solutions 5448 
How to do THAT? 5447 
ULF from coffee table 5447 
The through-hole tapped horn. 5447 
25 hz at 6db? 5447 
ULF from the SledgeHammer 5447 
Why not really use the basement 5447 
Never say never 5447 
How good ULF needs to be? 5436 
How good the user needs to be? 5436 
Maybe . . . 5436 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5436 
Narrow [Band] Tuning (DSP?) 5436 
ULF-only Sound 5396 
An easy ULF solution for someone. 5388 
Red Grills 5388 
It is exactly what I would like to avoid. 5387 
So I took your advice 5329 
Ok, let me know how it goes. 5329 
The ULF amp Itch. 5315 
Here is an update for the old thread.... 2936 
Good highs 2936 
Marchand 1993 
What truly are you tryin to accomplish? 1993 
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