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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. 5842 
A mono LF channel – I do not like it. 5838 
LF Results 5838 
The size maters 5837 
Response Curve 5837 
ULF placement and power 5837 
Wishful thinking and the Maelstrom-21 5837 
I will need a direct radiator under the bottom… 5837 
ULF experience: Drivers & power considerations cont'd 5836 
To experiment during the New England winter 5836 
Pitching pitch 5836 
There are many key points…. 5836 
A first true bass test 5820 
Actually…. 5820 
Best place lost? 5815 
Best location for bass, where art thou? 5815 
What to expect from ULF channel? 5799 
OK, it is something. 5798 
The new ULF scenario experiments. 5791 
Time coherence of ULF - my experience 5791 
Placement of ULF #2 5791 
Why I like the like the location #1 5791 
I need to find another ULF solution. 5783 
Ceiling subs 5782 
The infinite baffle shall be a very good solution. 5782 
This morning I woke up horny 5782 
Dsp 5782 
Parametric filters 5781 
SMS 1, Act II 5781 
I think I have found the problem with my ULF 5781 
SMS distortion issue? 5781 
At 30Hz of high order there are not truly tone” of “sound” 5781 
DCX output stage mods 5781 
Very small minority of the folks… 5781 
Exactly zero I suspect. . . 5781 
DSP vs. Music vs. HT 5781 
10" array; how low? & SMS-1 distortion 5781 
Interesting: 10” vs. 15” 5781 
Multiples of the Same Rising Response Curve? 5781 
The crisis of perception. 5780 
Dynamic range of ULF, tsunami and something else. 5779 
The Circle Unbroken 5779 
I wonder… is it PP2000? 5763 
The ULF and PurePower 2000 5754 
ULF Channel and LP playback. 5697 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5695 
I do not have an opinion yet. 5695 
Imponderabilis Neurosis 5695 
Bass non-pathologic hallucination… 5695 
A new paradigm for ULF? 5695 
…a number of logical flaws… 5695 
MAD HATTER 5694 
Thinking about my lower bass 5674 
Has Schrödinger's cat moved in unnoticed? 5674 
Wrong. 5674 
Groove Echo 5674 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5673 
Listening help with ULF stimulator 5673 
The ULF debate: time-alignment 5671 
Trying to address the dilemma with lowest bass. 5670 
Rotary woofer for ULF? 5670 
I do not need a Rotary woofer, I need to be less Moron. 5670 
*** 5670 
Congrats 5669 
Getting some maturity with ULF 5668 
About ULF attenuation. 5667 
How is it implemented? 5667 
My implementation of ULF channel. 5667 
Further thoughts about ULF channel. 5666 
ULF 5666 
I would agree but… 5666 
The problem that that I see with my ULF 5666 
Loudspeaker Proximity Coupling in Midbass & ULF 5666 
Great rotary idea! 5666 
Brilliant analyses! 5666 
Going down with bass 5664 
Under FS 5664 
Ideal ULF/Midbass integration 5664 
My super smart room! 5664 
Erratum ( or errata if you insist) 5664 
The issue is a complex one and should not be addressed generically ... 5664 
Cost benefit analysis of midbass horns v/s compromised ULF 5664 
There is no cost-benefit analysis for this thing. 5664 
I will experiment. 5664 
Sometimes experiment is not just experiment. 5664 
One Bass Horn or Two – for Oxric 5663 
My ways to mimic Reality. 5663 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5663 
"the purpose of playing, whose end both at the first and now..." 5663 
No manuals for those things…. 5663 
More about Rotary ULF idea. 5658 
Phoenix Gold Cyclone 5658 
Passing the waves…. as usual.... 5654 
Drive ULF Amp from Midbass Amp Output 5653 
There is “something”… 5653 
I do not know what I deal with. 5652 
I want my ULF amp back. 5641 
ULF emergency: Big & nasty solutions 5640 
No-amplification time 5640 
Listening audio without ULF. 5639 
Ok, I got the bass amp… 5639 
How much power do I need for my ULF. 5629 
A True ULF - what an amassing tool!!! 5627 
Put Marchand Crossover into the game. 5623 
I begin to like my active crossover. 5611 
Line-level passive vs. active ULF filter 5609 
Hm, there is no way to escape the 4th order. 5609 
Phase butterfly effect. 5608 
Back to DSP? 5608 
What I am trying to accomplish. 5608 
The art of ULF volume adjustment. 5607 
Sitting on a fence with ULF 5605 
The overly-swallowable bass. 5598 
To deLamminate my ULF channel. 5597 
What a beautiful result!!! 5596 
Pipe Organ with 128' register in Augsburg, Germany 5590 
An absolute must for ULF channel. 5573 
The compartmentalized bass 5450 
Paralleled SET bass 5446 
A new concept of ULF channel. 5438 
Infinite baffle 5438 
A 4th order bandpass vibrator? 5438 
ULF idea, possibly stupid. 5437 
IB vs Horn 5437 
A Distributed Infinite Baffle? 5436 
"Tuning" the "IB" 5436 
Flip 90 degrees 5436 
Little bump and the elephant solutions 5436 
How to do THAT? 5435 
ULF from coffee table 5435 
The through-hole tapped horn. 5435 
25 hz at 6db? 5435 
ULF from the SledgeHammer 5435 
Why not really use the basement 5435 
Never say never 5435 
How good ULF needs to be? 5424 
How good the user needs to be? 5424 
Maybe . . . 5424 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5424 
Narrow [Band] Tuning (DSP?) 5424 
ULF-only Sound 5384 
An easy ULF solution for someone. 5376 
Red Grills 5376 
It is exactly what I would like to avoid. 5375 
So I took your advice 5317 
Ok, let me know how it goes. 5317 
The ULF amp Itch. 5303 
Here is an update for the old thread.... 2924 
Good highs 2924 
Marchand 1981 
What truly are you tryin to accomplish? 1981 
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