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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. 5829 
A mono LF channel – I do not like it. 5825 
LF Results 5825 
The size maters 5824 
Response Curve 5824 
ULF placement and power 5824 
Wishful thinking and the Maelstrom-21 5824 
I will need a direct radiator under the bottom… 5824 
ULF experience: Drivers & power considerations cont'd 5823 
To experiment during the New England winter 5823 
Pitching pitch 5823 
There are many key points…. 5823 
A first true bass test 5807 
Actually…. 5807 
Best place lost? 5802 
Best location for bass, where art thou? 5802 
What to expect from ULF channel? 5786 
OK, it is something. 5785 
The new ULF scenario experiments. 5778 
Time coherence of ULF - my experience 5778 
Placement of ULF #2 5778 
Why I like the like the location #1 5778 
I need to find another ULF solution. 5770 
Ceiling subs 5769 
The infinite baffle shall be a very good solution. 5769 
This morning I woke up horny 5769 
Dsp 5769 
Parametric filters 5768 
SMS 1, Act II 5768 
I think I have found the problem with my ULF 5768 
SMS distortion issue? 5768 
At 30Hz of high order there are not truly tone” of “sound” 5768 
DCX output stage mods 5768 
Very small minority of the folks… 5768 
Exactly zero I suspect. . . 5768 
DSP vs. Music vs. HT 5768 
10" array; how low? & SMS-1 distortion 5768 
Interesting: 10” vs. 15” 5768 
Multiples of the Same Rising Response Curve? 5768 
The crisis of perception. 5767 
Dynamic range of ULF, tsunami and something else. 5766 
The Circle Unbroken 5766 
I wonder… is it PP2000? 5750 
The ULF and PurePower 2000 5741 
ULF Channel and LP playback. 5684 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5682 
I do not have an opinion yet. 5682 
Imponderabilis Neurosis 5682 
Bass non-pathologic hallucination… 5682 
A new paradigm for ULF? 5682 
…a number of logical flaws… 5682 
MAD HATTER 5681 
Thinking about my lower bass 5661 
Has Schrödinger's cat moved in unnoticed? 5661 
Wrong. 5661 
Groove Echo 5661 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5660 
Listening help with ULF stimulator 5660 
The ULF debate: time-alignment 5658 
Trying to address the dilemma with lowest bass. 5657 
Rotary woofer for ULF? 5657 
I do not need a Rotary woofer, I need to be less Moron. 5657 
*** 5657 
Congrats 5656 
Getting some maturity with ULF 5655 
About ULF attenuation. 5654 
How is it implemented? 5654 
My implementation of ULF channel. 5654 
Further thoughts about ULF channel. 5653 
ULF 5653 
I would agree but… 5653 
The problem that that I see with my ULF 5653 
Loudspeaker Proximity Coupling in Midbass & ULF 5653 
Great rotary idea! 5653 
Brilliant analyses! 5653 
Going down with bass 5651 
Under FS 5651 
Ideal ULF/Midbass integration 5651 
My super smart room! 5651 
Erratum ( or errata if you insist) 5651 
The issue is a complex one and should not be addressed generically ... 5651 
Cost benefit analysis of midbass horns v/s compromised ULF 5651 
There is no cost-benefit analysis for this thing. 5651 
I will experiment. 5651 
Sometimes experiment is not just experiment. 5651 
One Bass Horn or Two – for Oxric 5650 
My ways to mimic Reality. 5650 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5650 
"the purpose of playing, whose end both at the first and now..." 5650 
No manuals for those things…. 5650 
More about Rotary ULF idea. 5645 
Phoenix Gold Cyclone 5645 
Passing the waves…. as usual.... 5641 
Drive ULF Amp from Midbass Amp Output 5640 
There is “something”… 5640 
I do not know what I deal with. 5639 
I want my ULF amp back. 5628 
ULF emergency: Big & nasty solutions 5627 
No-amplification time 5627 
Listening audio without ULF. 5626 
Ok, I got the bass amp… 5626 
How much power do I need for my ULF. 5616 
A True ULF - what an amassing tool!!! 5614 
Put Marchand Crossover into the game. 5610 
I begin to like my active crossover. 5598 
Line-level passive vs. active ULF filter 5596 
Hm, there is no way to escape the 4th order. 5596 
Phase butterfly effect. 5595 
Back to DSP? 5595 
What I am trying to accomplish. 5595 
The art of ULF volume adjustment. 5594 
Sitting on a fence with ULF 5592 
The overly-swallowable bass. 5585 
To deLamminate my ULF channel. 5584 
What a beautiful result!!! 5583 
Pipe Organ with 128' register in Augsburg, Germany 5577 
An absolute must for ULF channel. 5560 
The compartmentalized bass 5437 
Paralleled SET bass 5433 
A new concept of ULF channel. 5425 
Infinite baffle 5425 
A 4th order bandpass vibrator? 5425 
ULF idea, possibly stupid. 5424 
IB vs Horn 5424 
A Distributed Infinite Baffle? 5423 
"Tuning" the "IB" 5423 
Flip 90 degrees 5423 
Little bump and the elephant solutions 5423 
How to do THAT? 5422 
ULF from coffee table 5422 
The through-hole tapped horn. 5422 
25 hz at 6db? 5422 
ULF from the SledgeHammer 5422 
Why not really use the basement 5422 
Never say never 5422 
How good ULF needs to be? 5411 
How good the user needs to be? 5411 
Maybe . . . 5411 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5411 
Narrow [Band] Tuning (DSP?) 5411 
ULF-only Sound 5371 
An easy ULF solution for someone. 5363 
Red Grills 5363 
It is exactly what I would like to avoid. 5362 
So I took your advice 5304 
Ok, let me know how it goes. 5304 
The ULF amp Itch. 5290 
Here is an update for the old thread.... 2911 
Good highs 2911 
Marchand 1968 
What truly are you tryin to accomplish? 1968 
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