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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. 5837 
A mono LF channel – I do not like it. 5833 
LF Results 5833 
The size maters 5832 
Response Curve 5832 
ULF placement and power 5832 
Wishful thinking and the Maelstrom-21 5832 
I will need a direct radiator under the bottom… 5832 
ULF experience: Drivers & power considerations cont'd 5831 
To experiment during the New England winter 5831 
Pitching pitch 5831 
There are many key points…. 5831 
A first true bass test 5815 
Actually…. 5815 
Best place lost? 5810 
Best location for bass, where art thou? 5810 
What to expect from ULF channel? 5794 
OK, it is something. 5793 
The new ULF scenario experiments. 5786 
Time coherence of ULF - my experience 5786 
Placement of ULF #2 5786 
Why I like the like the location #1 5786 
I need to find another ULF solution. 5778 
Ceiling subs 5777 
The infinite baffle shall be a very good solution. 5777 
This morning I woke up horny 5777 
Dsp 5777 
Parametric filters 5776 
SMS 1, Act II 5776 
I think I have found the problem with my ULF 5776 
SMS distortion issue? 5776 
At 30Hz of high order there are not truly tone” of “sound” 5776 
DCX output stage mods 5776 
Very small minority of the folks… 5776 
Exactly zero I suspect. . . 5776 
DSP vs. Music vs. HT 5776 
10" array; how low? & SMS-1 distortion 5776 
Interesting: 10” vs. 15” 5776 
Multiples of the Same Rising Response Curve? 5776 
The crisis of perception. 5775 
Dynamic range of ULF, tsunami and something else. 5774 
The Circle Unbroken 5774 
I wonder… is it PP2000? 5758 
The ULF and PurePower 2000 5749 
ULF Channel and LP playback. 5692 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5690 
I do not have an opinion yet. 5690 
Imponderabilis Neurosis 5690 
Bass non-pathologic hallucination… 5690 
A new paradigm for ULF? 5690 
…a number of logical flaws… 5690 
MAD HATTER 5689 
Thinking about my lower bass 5669 
Has Schrödinger's cat moved in unnoticed? 5669 
Wrong. 5669 
Groove Echo 5669 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5668 
Listening help with ULF stimulator 5668 
The ULF debate: time-alignment 5666 
Trying to address the dilemma with lowest bass. 5665 
Rotary woofer for ULF? 5665 
I do not need a Rotary woofer, I need to be less Moron. 5665 
*** 5665 
Congrats 5664 
Getting some maturity with ULF 5663 
About ULF attenuation. 5662 
How is it implemented? 5662 
My implementation of ULF channel. 5662 
Further thoughts about ULF channel. 5661 
ULF 5661 
I would agree but… 5661 
The problem that that I see with my ULF 5661 
Loudspeaker Proximity Coupling in Midbass & ULF 5661 
Great rotary idea! 5661 
Brilliant analyses! 5661 
Going down with bass 5659 
Under FS 5659 
Ideal ULF/Midbass integration 5659 
My super smart room! 5659 
Erratum ( or errata if you insist) 5659 
The issue is a complex one and should not be addressed generically ... 5659 
Cost benefit analysis of midbass horns v/s compromised ULF 5659 
There is no cost-benefit analysis for this thing. 5659 
I will experiment. 5659 
Sometimes experiment is not just experiment. 5659 
One Bass Horn or Two – for Oxric 5658 
My ways to mimic Reality. 5658 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5658 
"the purpose of playing, whose end both at the first and now..." 5658 
No manuals for those things…. 5658 
More about Rotary ULF idea. 5653 
Phoenix Gold Cyclone 5653 
Passing the waves…. as usual.... 5649 
Drive ULF Amp from Midbass Amp Output 5648 
There is “something”… 5648 
I do not know what I deal with. 5647 
I want my ULF amp back. 5636 
ULF emergency: Big & nasty solutions 5635 
No-amplification time 5635 
Listening audio without ULF. 5634 
Ok, I got the bass amp… 5634 
How much power do I need for my ULF. 5624 
A True ULF - what an amassing tool!!! 5622 
Put Marchand Crossover into the game. 5618 
I begin to like my active crossover. 5606 
Line-level passive vs. active ULF filter 5604 
Hm, there is no way to escape the 4th order. 5604 
Phase butterfly effect. 5603 
Back to DSP? 5603 
What I am trying to accomplish. 5603 
The art of ULF volume adjustment. 5602 
Sitting on a fence with ULF 5600 
The overly-swallowable bass. 5593 
To deLamminate my ULF channel. 5592 
What a beautiful result!!! 5591 
Pipe Organ with 128' register in Augsburg, Germany 5585 
An absolute must for ULF channel. 5568 
The compartmentalized bass 5445 
Paralleled SET bass 5441 
A new concept of ULF channel. 5433 
Infinite baffle 5433 
A 4th order bandpass vibrator? 5433 
ULF idea, possibly stupid. 5432 
IB vs Horn 5432 
A Distributed Infinite Baffle? 5431 
"Tuning" the "IB" 5431 
Flip 90 degrees 5431 
Little bump and the elephant solutions 5431 
How to do THAT? 5430 
ULF from coffee table 5430 
The through-hole tapped horn. 5430 
25 hz at 6db? 5430 
ULF from the SledgeHammer 5430 
Why not really use the basement 5430 
Never say never 5430 
How good ULF needs to be? 5419 
How good the user needs to be? 5419 
Maybe . . . 5419 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5419 
Narrow [Band] Tuning (DSP?) 5419 
ULF-only Sound 5379 
An easy ULF solution for someone. 5371 
Red Grills 5371 
It is exactly what I would like to avoid. 5370 
So I took your advice 5312 
Ok, let me know how it goes. 5312 
The ULF amp Itch. 5298 
Here is an update for the old thread.... 2919 
Good highs 2919 
Marchand 1976 
What truly are you tryin to accomplish? 1976 
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