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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. 5874 
A mono LF channel – I do not like it. 5870 
LF Results 5870 
The size maters 5869 
Response Curve 5869 
ULF placement and power 5869 
Wishful thinking and the Maelstrom-21 5869 
I will need a direct radiator under the bottom… 5869 
ULF experience: Drivers & power considerations cont'd 5868 
To experiment during the New England winter 5868 
Pitching pitch 5868 
There are many key points…. 5868 
A first true bass test 5852 
Actually…. 5852 
Best place lost? 5847 
Best location for bass, where art thou? 5847 
What to expect from ULF channel? 5831 
OK, it is something. 5830 
The new ULF scenario experiments. 5823 
Time coherence of ULF - my experience 5823 
Placement of ULF #2 5823 
Why I like the like the location #1 5823 
I need to find another ULF solution. 5815 
Ceiling subs 5814 
The infinite baffle shall be a very good solution. 5814 
This morning I woke up horny 5814 
Dsp 5814 
Parametric filters 5813 
SMS 1, Act II 5813 
I think I have found the problem with my ULF 5813 
SMS distortion issue? 5813 
At 30Hz of high order there are not truly tone” of “sound” 5813 
DCX output stage mods 5813 
Very small minority of the folks… 5813 
Exactly zero I suspect. . . 5813 
DSP vs. Music vs. HT 5813 
10" array; how low? & SMS-1 distortion 5813 
Interesting: 10” vs. 15” 5813 
Multiples of the Same Rising Response Curve? 5813 
The crisis of perception. 5812 
Dynamic range of ULF, tsunami and something else. 5811 
The Circle Unbroken 5811 
I wonder… is it PP2000? 5795 
The ULF and PurePower 2000 5786 
ULF Channel and LP playback. 5729 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5727 
I do not have an opinion yet. 5727 
Imponderabilis Neurosis 5727 
Bass non-pathologic hallucination… 5727 
A new paradigm for ULF? 5727 
…a number of logical flaws… 5727 
MAD HATTER 5726 
Thinking about my lower bass 5706 
Has Schrödinger's cat moved in unnoticed? 5706 
Wrong. 5706 
Groove Echo 5706 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5705 
Listening help with ULF stimulator 5705 
The ULF debate: time-alignment 5703 
Trying to address the dilemma with lowest bass. 5702 
Rotary woofer for ULF? 5702 
I do not need a Rotary woofer, I need to be less Moron. 5702 
*** 5702 
Congrats 5701 
Getting some maturity with ULF 5700 
About ULF attenuation. 5699 
How is it implemented? 5699 
My implementation of ULF channel. 5699 
Further thoughts about ULF channel. 5698 
ULF 5698 
I would agree but… 5698 
The problem that that I see with my ULF 5698 
Loudspeaker Proximity Coupling in Midbass & ULF 5698 
Great rotary idea! 5698 
Brilliant analyses! 5698 
Going down with bass 5696 
Under FS 5696 
Ideal ULF/Midbass integration 5696 
My super smart room! 5696 
Erratum ( or errata if you insist) 5696 
The issue is a complex one and should not be addressed generically ... 5696 
Cost benefit analysis of midbass horns v/s compromised ULF 5696 
There is no cost-benefit analysis for this thing. 5696 
I will experiment. 5696 
Sometimes experiment is not just experiment. 5696 
One Bass Horn or Two – for Oxric 5695 
My ways to mimic Reality. 5695 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5695 
"the purpose of playing, whose end both at the first and now..." 5695 
No manuals for those things…. 5695 
More about Rotary ULF idea. 5690 
Phoenix Gold Cyclone 5690 
Passing the waves…. as usual.... 5686 
Drive ULF Amp from Midbass Amp Output 5685 
There is “something”… 5685 
I do not know what I deal with. 5684 
I want my ULF amp back. 5673 
ULF emergency: Big & nasty solutions 5672 
No-amplification time 5672 
Listening audio without ULF. 5671 
Ok, I got the bass amp… 5671 
How much power do I need for my ULF. 5661 
A True ULF - what an amassing tool!!! 5659 
Put Marchand Crossover into the game. 5655 
I begin to like my active crossover. 5643 
Line-level passive vs. active ULF filter 5641 
Hm, there is no way to escape the 4th order. 5641 
Phase butterfly effect. 5640 
Back to DSP? 5640 
What I am trying to accomplish. 5640 
The art of ULF volume adjustment. 5639 
Sitting on a fence with ULF 5637 
The overly-swallowable bass. 5630 
To deLamminate my ULF channel. 5629 
What a beautiful result!!! 5628 
Pipe Organ with 128' register in Augsburg, Germany 5622 
An absolute must for ULF channel. 5605 
The compartmentalized bass 5482 
Paralleled SET bass 5478 
A new concept of ULF channel. 5470 
Infinite baffle 5470 
A 4th order bandpass vibrator? 5470 
ULF idea, possibly stupid. 5469 
IB vs Horn 5469 
A Distributed Infinite Baffle? 5468 
"Tuning" the "IB" 5468 
Flip 90 degrees 5468 
Little bump and the elephant solutions 5468 
How to do THAT? 5467 
ULF from coffee table 5467 
The through-hole tapped horn. 5467 
25 hz at 6db? 5467 
ULF from the SledgeHammer 5467 
Why not really use the basement 5467 
Never say never 5467 
How good ULF needs to be? 5456 
How good the user needs to be? 5456 
Maybe . . . 5456 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5456 
Narrow [Band] Tuning (DSP?) 5456 
ULF-only Sound 5416 
An easy ULF solution for someone. 5408 
Red Grills 5408 
It is exactly what I would like to avoid. 5407 
So I took your advice 5349 
Ok, let me know how it goes. 5349 
The ULF amp Itch. 5335 
Here is an update for the old thread.... 2956 
Good highs 2956 
Marchand 2013 
What truly are you tryin to accomplish? 2013 
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