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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. 5871 
A mono LF channel – I do not like it. 5867 
LF Results 5867 
The size maters 5866 
Response Curve 5866 
ULF placement and power 5866 
Wishful thinking and the Maelstrom-21 5866 
I will need a direct radiator under the bottom… 5866 
ULF experience: Drivers & power considerations cont'd 5865 
To experiment during the New England winter 5865 
Pitching pitch 5865 
There are many key points…. 5865 
A first true bass test 5849 
Actually…. 5849 
Best place lost? 5844 
Best location for bass, where art thou? 5844 
What to expect from ULF channel? 5828 
OK, it is something. 5827 
The new ULF scenario experiments. 5820 
Time coherence of ULF - my experience 5820 
Placement of ULF #2 5820 
Why I like the like the location #1 5820 
I need to find another ULF solution. 5812 
Ceiling subs 5811 
The infinite baffle shall be a very good solution. 5811 
This morning I woke up horny 5811 
Dsp 5811 
Parametric filters 5810 
SMS 1, Act II 5810 
I think I have found the problem with my ULF 5810 
SMS distortion issue? 5810 
At 30Hz of high order there are not truly tone” of “sound” 5810 
DCX output stage mods 5810 
Very small minority of the folks… 5810 
Exactly zero I suspect. . . 5810 
DSP vs. Music vs. HT 5810 
10" array; how low? & SMS-1 distortion 5810 
Interesting: 10” vs. 15” 5810 
Multiples of the Same Rising Response Curve? 5810 
The crisis of perception. 5809 
Dynamic range of ULF, tsunami and something else. 5808 
The Circle Unbroken 5808 
I wonder… is it PP2000? 5792 
The ULF and PurePower 2000 5783 
ULF Channel and LP playback. 5726 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5724 
I do not have an opinion yet. 5724 
Imponderabilis Neurosis 5724 
Bass non-pathologic hallucination… 5724 
A new paradigm for ULF? 5724 
…a number of logical flaws… 5724 
MAD HATTER 5723 
Thinking about my lower bass 5703 
Has Schrödinger's cat moved in unnoticed? 5703 
Wrong. 5703 
Groove Echo 5703 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5702 
Listening help with ULF stimulator 5702 
The ULF debate: time-alignment 5700 
Trying to address the dilemma with lowest bass. 5699 
Rotary woofer for ULF? 5699 
I do not need a Rotary woofer, I need to be less Moron. 5699 
*** 5699 
Congrats 5698 
Getting some maturity with ULF 5697 
About ULF attenuation. 5696 
How is it implemented? 5696 
My implementation of ULF channel. 5696 
Further thoughts about ULF channel. 5695 
ULF 5695 
I would agree but… 5695 
The problem that that I see with my ULF 5695 
Loudspeaker Proximity Coupling in Midbass & ULF 5695 
Great rotary idea! 5695 
Brilliant analyses! 5695 
Going down with bass 5693 
Under FS 5693 
Ideal ULF/Midbass integration 5693 
My super smart room! 5693 
Erratum ( or errata if you insist) 5693 
The issue is a complex one and should not be addressed generically ... 5693 
Cost benefit analysis of midbass horns v/s compromised ULF 5693 
There is no cost-benefit analysis for this thing. 5693 
I will experiment. 5693 
Sometimes experiment is not just experiment. 5693 
One Bass Horn or Two – for Oxric 5692 
My ways to mimic Reality. 5692 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5692 
"the purpose of playing, whose end both at the first and now..." 5692 
No manuals for those things…. 5692 
More about Rotary ULF idea. 5687 
Phoenix Gold Cyclone 5687 
Passing the waves…. as usual.... 5683 
Drive ULF Amp from Midbass Amp Output 5682 
There is “something”… 5682 
I do not know what I deal with. 5681 
I want my ULF amp back. 5670 
ULF emergency: Big & nasty solutions 5669 
No-amplification time 5669 
Listening audio without ULF. 5668 
Ok, I got the bass amp… 5668 
How much power do I need for my ULF. 5658 
A True ULF - what an amassing tool!!! 5656 
Put Marchand Crossover into the game. 5652 
I begin to like my active crossover. 5640 
Line-level passive vs. active ULF filter 5638 
Hm, there is no way to escape the 4th order. 5638 
Phase butterfly effect. 5637 
Back to DSP? 5637 
What I am trying to accomplish. 5637 
The art of ULF volume adjustment. 5636 
Sitting on a fence with ULF 5634 
The overly-swallowable bass. 5627 
To deLamminate my ULF channel. 5626 
What a beautiful result!!! 5625 
Pipe Organ with 128' register in Augsburg, Germany 5619 
An absolute must for ULF channel. 5602 
The compartmentalized bass 5479 
Paralleled SET bass 5475 
A new concept of ULF channel. 5467 
Infinite baffle 5467 
A 4th order bandpass vibrator? 5467 
ULF idea, possibly stupid. 5466 
IB vs Horn 5466 
A Distributed Infinite Baffle? 5465 
"Tuning" the "IB" 5465 
Flip 90 degrees 5465 
Little bump and the elephant solutions 5465 
How to do THAT? 5464 
ULF from coffee table 5464 
The through-hole tapped horn. 5464 
25 hz at 6db? 5464 
ULF from the SledgeHammer 5464 
Why not really use the basement 5464 
Never say never 5464 
How good ULF needs to be? 5453 
How good the user needs to be? 5453 
Maybe . . . 5453 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5453 
Narrow [Band] Tuning (DSP?) 5453 
ULF-only Sound 5413 
An easy ULF solution for someone. 5405 
Red Grills 5405 
It is exactly what I would like to avoid. 5404 
So I took your advice 5346 
Ok, let me know how it goes. 5346 
The ULF amp Itch. 5332 
Here is an update for the old thread.... 2953 
Good highs 2953 
Marchand 2010 
What truly are you tryin to accomplish? 2010 
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