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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. 5897 
A mono LF channel – I do not like it. 5893 
LF Results 5893 
The size maters 5892 
Response Curve 5892 
ULF placement and power 5892 
Wishful thinking and the Maelstrom-21 5892 
I will need a direct radiator under the bottom… 5892 
ULF experience: Drivers & power considerations cont'd 5891 
To experiment during the New England winter 5891 
Pitching pitch 5891 
There are many key points…. 5891 
A first true bass test 5875 
Actually…. 5875 
Best place lost? 5870 
Best location for bass, where art thou? 5870 
What to expect from ULF channel? 5854 
OK, it is something. 5853 
The new ULF scenario experiments. 5846 
Time coherence of ULF - my experience 5846 
Placement of ULF #2 5846 
Why I like the like the location #1 5846 
I need to find another ULF solution. 5838 
Ceiling subs 5837 
The infinite baffle shall be a very good solution. 5837 
This morning I woke up horny 5837 
Dsp 5837 
Parametric filters 5836 
SMS 1, Act II 5836 
I think I have found the problem with my ULF 5836 
SMS distortion issue? 5836 
At 30Hz of high order there are not truly tone” of “sound” 5836 
DCX output stage mods 5836 
Very small minority of the folks… 5836 
Exactly zero I suspect. . . 5836 
DSP vs. Music vs. HT 5836 
10" array; how low? & SMS-1 distortion 5836 
Interesting: 10” vs. 15” 5836 
Multiples of the Same Rising Response Curve? 5836 
The crisis of perception. 5835 
Dynamic range of ULF, tsunami and something else. 5834 
The Circle Unbroken 5834 
I wonder… is it PP2000? 5818 
The ULF and PurePower 2000 5809 
ULF Channel and LP playback. 5752 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5750 
I do not have an opinion yet. 5750 
Imponderabilis Neurosis 5750 
Bass non-pathologic hallucination… 5750 
A new paradigm for ULF? 5750 
…a number of logical flaws… 5750 
MAD HATTER 5749 
Thinking about my lower bass 5729 
Has Schrödinger's cat moved in unnoticed? 5729 
Wrong. 5729 
Groove Echo 5729 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5728 
Listening help with ULF stimulator 5728 
The ULF debate: time-alignment 5726 
Trying to address the dilemma with lowest bass. 5725 
Rotary woofer for ULF? 5725 
I do not need a Rotary woofer, I need to be less Moron. 5725 
*** 5725 
Congrats 5724 
Getting some maturity with ULF 5723 
About ULF attenuation. 5722 
How is it implemented? 5722 
My implementation of ULF channel. 5722 
Further thoughts about ULF channel. 5721 
ULF 5721 
I would agree but… 5721 
The problem that that I see with my ULF 5721 
Loudspeaker Proximity Coupling in Midbass & ULF 5721 
Great rotary idea! 5721 
Brilliant analyses! 5721 
Going down with bass 5719 
Under FS 5719 
Ideal ULF/Midbass integration 5719 
My super smart room! 5719 
Erratum ( or errata if you insist) 5719 
The issue is a complex one and should not be addressed generically ... 5719 
Cost benefit analysis of midbass horns v/s compromised ULF 5719 
There is no cost-benefit analysis for this thing. 5719 
I will experiment. 5719 
Sometimes experiment is not just experiment. 5719 
One Bass Horn or Two – for Oxric 5718 
My ways to mimic Reality. 5718 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5718 
"the purpose of playing, whose end both at the first and now..." 5718 
No manuals for those things…. 5718 
More about Rotary ULF idea. 5713 
Phoenix Gold Cyclone 5713 
Passing the waves…. as usual.... 5709 
Drive ULF Amp from Midbass Amp Output 5708 
There is “something”… 5708 
I do not know what I deal with. 5707 
I want my ULF amp back. 5696 
ULF emergency: Big & nasty solutions 5695 
No-amplification time 5695 
Listening audio without ULF. 5694 
Ok, I got the bass amp… 5694 
How much power do I need for my ULF. 5684 
A True ULF - what an amassing tool!!! 5682 
Put Marchand Crossover into the game. 5678 
I begin to like my active crossover. 5666 
Line-level passive vs. active ULF filter 5664 
Hm, there is no way to escape the 4th order. 5664 
Phase butterfly effect. 5663 
Back to DSP? 5663 
What I am trying to accomplish. 5663 
The art of ULF volume adjustment. 5662 
Sitting on a fence with ULF 5660 
The overly-swallowable bass. 5653 
To deLamminate my ULF channel. 5652 
What a beautiful result!!! 5651 
Pipe Organ with 128' register in Augsburg, Germany 5645 
An absolute must for ULF channel. 5628 
The compartmentalized bass 5505 
Paralleled SET bass 5501 
A new concept of ULF channel. 5493 
Infinite baffle 5493 
A 4th order bandpass vibrator? 5493 
ULF idea, possibly stupid. 5492 
IB vs Horn 5492 
A Distributed Infinite Baffle? 5491 
"Tuning" the "IB" 5491 
Flip 90 degrees 5491 
Little bump and the elephant solutions 5491 
How to do THAT? 5490 
ULF from coffee table 5490 
The through-hole tapped horn. 5490 
25 hz at 6db? 5490 
ULF from the SledgeHammer 5490 
Why not really use the basement 5490 
Never say never 5490 
How good ULF needs to be? 5479 
How good the user needs to be? 5479 
Maybe . . . 5479 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5479 
Narrow [Band] Tuning (DSP?) 5479 
ULF-only Sound 5439 
An easy ULF solution for someone. 5431 
Red Grills 5431 
It is exactly what I would like to avoid. 5430 
So I took your advice 5372 
Ok, let me know how it goes. 5372 
The ULF amp Itch. 5358 
Here is an update for the old thread.... 2979 
Good highs 2979 
Marchand 2036 
What truly are you tryin to accomplish? 2036 
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