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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. 5861 
A mono LF channel – I do not like it. 5857 
LF Results 5857 
The size maters 5856 
Response Curve 5856 
ULF placement and power 5856 
Wishful thinking and the Maelstrom-21 5856 
I will need a direct radiator under the bottom… 5856 
ULF experience: Drivers & power considerations cont'd 5855 
To experiment during the New England winter 5855 
Pitching pitch 5855 
There are many key points…. 5855 
A first true bass test 5839 
Actually…. 5839 
Best place lost? 5834 
Best location for bass, where art thou? 5834 
What to expect from ULF channel? 5818 
OK, it is something. 5817 
The new ULF scenario experiments. 5810 
Time coherence of ULF - my experience 5810 
Placement of ULF #2 5810 
Why I like the like the location #1 5810 
I need to find another ULF solution. 5802 
Ceiling subs 5801 
The infinite baffle shall be a very good solution. 5801 
This morning I woke up horny 5801 
Dsp 5801 
Parametric filters 5800 
SMS 1, Act II 5800 
I think I have found the problem with my ULF 5800 
SMS distortion issue? 5800 
At 30Hz of high order there are not truly tone” of “sound” 5800 
DCX output stage mods 5800 
Very small minority of the folks… 5800 
Exactly zero I suspect. . . 5800 
DSP vs. Music vs. HT 5800 
10" array; how low? & SMS-1 distortion 5800 
Interesting: 10” vs. 15” 5800 
Multiples of the Same Rising Response Curve? 5800 
The crisis of perception. 5799 
Dynamic range of ULF, tsunami and something else. 5798 
The Circle Unbroken 5798 
I wonder… is it PP2000? 5782 
The ULF and PurePower 2000 5773 
ULF Channel and LP playback. 5716 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5714 
I do not have an opinion yet. 5714 
Imponderabilis Neurosis 5714 
Bass non-pathologic hallucination… 5714 
A new paradigm for ULF? 5714 
…a number of logical flaws… 5714 
MAD HATTER 5713 
Thinking about my lower bass 5693 
Has Schrödinger's cat moved in unnoticed? 5693 
Wrong. 5693 
Groove Echo 5693 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5692 
Listening help with ULF stimulator 5692 
The ULF debate: time-alignment 5690 
Trying to address the dilemma with lowest bass. 5689 
Rotary woofer for ULF? 5689 
I do not need a Rotary woofer, I need to be less Moron. 5689 
*** 5689 
Congrats 5688 
Getting some maturity with ULF 5687 
About ULF attenuation. 5686 
How is it implemented? 5686 
My implementation of ULF channel. 5686 
Further thoughts about ULF channel. 5685 
ULF 5685 
I would agree but… 5685 
The problem that that I see with my ULF 5685 
Loudspeaker Proximity Coupling in Midbass & ULF 5685 
Great rotary idea! 5685 
Brilliant analyses! 5685 
Going down with bass 5683 
Under FS 5683 
Ideal ULF/Midbass integration 5683 
My super smart room! 5683 
Erratum ( or errata if you insist) 5683 
The issue is a complex one and should not be addressed generically ... 5683 
Cost benefit analysis of midbass horns v/s compromised ULF 5683 
There is no cost-benefit analysis for this thing. 5683 
I will experiment. 5683 
Sometimes experiment is not just experiment. 5683 
One Bass Horn or Two – for Oxric 5682 
My ways to mimic Reality. 5682 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5682 
"the purpose of playing, whose end both at the first and now..." 5682 
No manuals for those things…. 5682 
More about Rotary ULF idea. 5677 
Phoenix Gold Cyclone 5677 
Passing the waves…. as usual.... 5673 
Drive ULF Amp from Midbass Amp Output 5672 
There is “something”… 5672 
I do not know what I deal with. 5671 
I want my ULF amp back. 5660 
ULF emergency: Big & nasty solutions 5659 
No-amplification time 5659 
Listening audio without ULF. 5658 
Ok, I got the bass amp… 5658 
How much power do I need for my ULF. 5648 
A True ULF - what an amassing tool!!! 5646 
Put Marchand Crossover into the game. 5642 
I begin to like my active crossover. 5630 
Line-level passive vs. active ULF filter 5628 
Hm, there is no way to escape the 4th order. 5628 
Phase butterfly effect. 5627 
Back to DSP? 5627 
What I am trying to accomplish. 5627 
The art of ULF volume adjustment. 5626 
Sitting on a fence with ULF 5624 
The overly-swallowable bass. 5617 
To deLamminate my ULF channel. 5616 
What a beautiful result!!! 5615 
Pipe Organ with 128' register in Augsburg, Germany 5609 
An absolute must for ULF channel. 5592 
The compartmentalized bass 5469 
Paralleled SET bass 5465 
A new concept of ULF channel. 5457 
Infinite baffle 5457 
A 4th order bandpass vibrator? 5457 
ULF idea, possibly stupid. 5456 
IB vs Horn 5456 
A Distributed Infinite Baffle? 5455 
"Tuning" the "IB" 5455 
Flip 90 degrees 5455 
Little bump and the elephant solutions 5455 
How to do THAT? 5454 
ULF from coffee table 5454 
The through-hole tapped horn. 5454 
25 hz at 6db? 5454 
ULF from the SledgeHammer 5454 
Why not really use the basement 5454 
Never say never 5454 
How good ULF needs to be? 5443 
How good the user needs to be? 5443 
Maybe . . . 5443 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5443 
Narrow [Band] Tuning (DSP?) 5443 
ULF-only Sound 5403 
An easy ULF solution for someone. 5395 
Red Grills 5395 
It is exactly what I would like to avoid. 5394 
So I took your advice 5336 
Ok, let me know how it goes. 5336 
The ULF amp Itch. 5322 
Here is an update for the old thread.... 2943 
Good highs 2943 
Marchand 2000 
What truly are you tryin to accomplish? 2000 
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