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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. 5848 
A mono LF channel – I do not like it. 5844 
LF Results 5844 
The size maters 5843 
Response Curve 5843 
ULF placement and power 5843 
Wishful thinking and the Maelstrom-21 5843 
I will need a direct radiator under the bottom… 5843 
ULF experience: Drivers & power considerations cont'd 5842 
To experiment during the New England winter 5842 
Pitching pitch 5842 
There are many key points…. 5842 
A first true bass test 5826 
Actually…. 5826 
Best place lost? 5821 
Best location for bass, where art thou? 5821 
What to expect from ULF channel? 5805 
OK, it is something. 5804 
The new ULF scenario experiments. 5797 
Time coherence of ULF - my experience 5797 
Placement of ULF #2 5797 
Why I like the like the location #1 5797 
I need to find another ULF solution. 5789 
Ceiling subs 5788 
The infinite baffle shall be a very good solution. 5788 
This morning I woke up horny 5788 
Dsp 5788 
Parametric filters 5787 
SMS 1, Act II 5787 
I think I have found the problem with my ULF 5787 
SMS distortion issue? 5787 
At 30Hz of high order there are not truly tone” of “sound” 5787 
DCX output stage mods 5787 
Very small minority of the folks… 5787 
Exactly zero I suspect. . . 5787 
DSP vs. Music vs. HT 5787 
10" array; how low? & SMS-1 distortion 5787 
Interesting: 10” vs. 15” 5787 
Multiples of the Same Rising Response Curve? 5787 
The crisis of perception. 5786 
Dynamic range of ULF, tsunami and something else. 5785 
The Circle Unbroken 5785 
I wonder… is it PP2000? 5769 
The ULF and PurePower 2000 5760 
ULF Channel and LP playback. 5703 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5701 
I do not have an opinion yet. 5701 
Imponderabilis Neurosis 5701 
Bass non-pathologic hallucination… 5701 
A new paradigm for ULF? 5701 
…a number of logical flaws… 5701 
MAD HATTER 5700 
Thinking about my lower bass 5680 
Has Schrödinger's cat moved in unnoticed? 5680 
Wrong. 5680 
Groove Echo 5680 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5679 
Listening help with ULF stimulator 5679 
The ULF debate: time-alignment 5677 
Trying to address the dilemma with lowest bass. 5676 
Rotary woofer for ULF? 5676 
I do not need a Rotary woofer, I need to be less Moron. 5676 
*** 5676 
Congrats 5675 
Getting some maturity with ULF 5674 
About ULF attenuation. 5673 
How is it implemented? 5673 
My implementation of ULF channel. 5673 
Further thoughts about ULF channel. 5672 
ULF 5672 
I would agree but… 5672 
The problem that that I see with my ULF 5672 
Loudspeaker Proximity Coupling in Midbass & ULF 5672 
Great rotary idea! 5672 
Brilliant analyses! 5672 
Going down with bass 5670 
Under FS 5670 
Ideal ULF/Midbass integration 5670 
My super smart room! 5670 
Erratum ( or errata if you insist) 5670 
The issue is a complex one and should not be addressed generically ... 5670 
Cost benefit analysis of midbass horns v/s compromised ULF 5670 
There is no cost-benefit analysis for this thing. 5670 
I will experiment. 5670 
Sometimes experiment is not just experiment. 5670 
One Bass Horn or Two – for Oxric 5669 
My ways to mimic Reality. 5669 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5669 
"the purpose of playing, whose end both at the first and now..." 5669 
No manuals for those things…. 5669 
More about Rotary ULF idea. 5664 
Phoenix Gold Cyclone 5664 
Passing the waves…. as usual.... 5660 
Drive ULF Amp from Midbass Amp Output 5659 
There is “something”… 5659 
I do not know what I deal with. 5658 
I want my ULF amp back. 5647 
ULF emergency: Big & nasty solutions 5646 
No-amplification time 5646 
Listening audio without ULF. 5645 
Ok, I got the bass amp… 5645 
How much power do I need for my ULF. 5635 
A True ULF - what an amassing tool!!! 5633 
Put Marchand Crossover into the game. 5629 
I begin to like my active crossover. 5617 
Line-level passive vs. active ULF filter 5615 
Hm, there is no way to escape the 4th order. 5615 
Phase butterfly effect. 5614 
Back to DSP? 5614 
What I am trying to accomplish. 5614 
The art of ULF volume adjustment. 5613 
Sitting on a fence with ULF 5611 
The overly-swallowable bass. 5604 
To deLamminate my ULF channel. 5603 
What a beautiful result!!! 5602 
Pipe Organ with 128' register in Augsburg, Germany 5596 
An absolute must for ULF channel. 5579 
The compartmentalized bass 5456 
Paralleled SET bass 5452 
A new concept of ULF channel. 5444 
Infinite baffle 5444 
A 4th order bandpass vibrator? 5444 
ULF idea, possibly stupid. 5443 
IB vs Horn 5443 
A Distributed Infinite Baffle? 5442 
"Tuning" the "IB" 5442 
Flip 90 degrees 5442 
Little bump and the elephant solutions 5442 
How to do THAT? 5441 
ULF from coffee table 5441 
The through-hole tapped horn. 5441 
25 hz at 6db? 5441 
ULF from the SledgeHammer 5441 
Why not really use the basement 5441 
Never say never 5441 
How good ULF needs to be? 5430 
How good the user needs to be? 5430 
Maybe . . . 5430 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5430 
Narrow [Band] Tuning (DSP?) 5430 
ULF-only Sound 5390 
An easy ULF solution for someone. 5382 
Red Grills 5382 
It is exactly what I would like to avoid. 5381 
So I took your advice 5323 
Ok, let me know how it goes. 5323 
The ULF amp Itch. 5309 
Here is an update for the old thread.... 2930 
Good highs 2930 
Marchand 1987 
What truly are you tryin to accomplish? 1987 
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