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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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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Macondo’s lowest channel. 5880 
A mono LF channel – I do not like it. 5876 
LF Results 5876 
The size maters 5875 
Response Curve 5875 
ULF placement and power 5875 
Wishful thinking and the Maelstrom-21 5875 
I will need a direct radiator under the bottom… 5875 
ULF experience: Drivers & power considerations cont'd 5874 
To experiment during the New England winter 5874 
Pitching pitch 5874 
There are many key points…. 5874 
A first true bass test 5858 
Actually…. 5858 
Best place lost? 5853 
Best location for bass, where art thou? 5853 
What to expect from ULF channel? 5837 
OK, it is something. 5836 
The new ULF scenario experiments. 5829 
Time coherence of ULF - my experience 5829 
Placement of ULF #2 5829 
Why I like the like the location #1 5829 
I need to find another ULF solution. 5821 
Ceiling subs 5820 
The infinite baffle shall be a very good solution. 5820 
This morning I woke up horny 5820 
Dsp 5820 
Parametric filters 5819 
SMS 1, Act II 5819 
I think I have found the problem with my ULF 5819 
SMS distortion issue? 5819 
At 30Hz of high order there are not truly tone” of “sound” 5819 
DCX output stage mods 5819 
Very small minority of the folks… 5819 
Exactly zero I suspect. . . 5819 
DSP vs. Music vs. HT 5819 
10" array; how low? & SMS-1 distortion 5819 
Interesting: 10” vs. 15” 5819 
Multiples of the Same Rising Response Curve? 5819 
The crisis of perception. 5818 
Dynamic range of ULF, tsunami and something else. 5817 
The Circle Unbroken 5817 
I wonder… is it PP2000? 5801 
The ULF and PurePower 2000 5792 
ULF Channel and LP playback. 5735 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5733 
I do not have an opinion yet. 5733 
Imponderabilis Neurosis 5733 
Bass non-pathologic hallucination… 5733 
A new paradigm for ULF? 5733 
…a number of logical flaws… 5733 
MAD HATTER 5732 
Thinking about my lower bass 5712 
Has Schrödinger's cat moved in unnoticed? 5712 
Wrong. 5712 
Groove Echo 5712 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5711 
Listening help with ULF stimulator 5711 
The ULF debate: time-alignment 5709 
Trying to address the dilemma with lowest bass. 5708 
Rotary woofer for ULF? 5708 
I do not need a Rotary woofer, I need to be less Moron. 5708 
*** 5708 
Congrats 5707 
Getting some maturity with ULF 5706 
About ULF attenuation. 5705 
How is it implemented? 5705 
My implementation of ULF channel. 5705 
Further thoughts about ULF channel. 5704 
ULF 5704 
I would agree but… 5704 
The problem that that I see with my ULF 5704 
Loudspeaker Proximity Coupling in Midbass & ULF 5704 
Great rotary idea! 5704 
Brilliant analyses! 5704 
Going down with bass 5702 
Under FS 5702 
Ideal ULF/Midbass integration 5702 
My super smart room! 5702 
Erratum ( or errata if you insist) 5702 
The issue is a complex one and should not be addressed generically ... 5702 
Cost benefit analysis of midbass horns v/s compromised ULF 5702 
There is no cost-benefit analysis for this thing. 5702 
I will experiment. 5702 
Sometimes experiment is not just experiment. 5702 
One Bass Horn or Two – for Oxric 5701 
My ways to mimic Reality. 5701 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5701 
"the purpose of playing, whose end both at the first and now..." 5701 
No manuals for those things…. 5701 
More about Rotary ULF idea. 5696 
Phoenix Gold Cyclone 5696 
Passing the waves…. as usual.... 5692 
Drive ULF Amp from Midbass Amp Output 5691 
There is “something”… 5691 
I do not know what I deal with. 5690 
I want my ULF amp back. 5679 
ULF emergency: Big & nasty solutions 5678 
No-amplification time 5678 
Listening audio without ULF. 5677 
Ok, I got the bass amp… 5677 
How much power do I need for my ULF. 5667 
A True ULF - what an amassing tool!!! 5665 
Put Marchand Crossover into the game. 5661 
I begin to like my active crossover. 5649 
Line-level passive vs. active ULF filter 5647 
Hm, there is no way to escape the 4th order. 5647 
Phase butterfly effect. 5646 
Back to DSP? 5646 
What I am trying to accomplish. 5646 
The art of ULF volume adjustment. 5645 
Sitting on a fence with ULF 5643 
The overly-swallowable bass. 5636 
To deLamminate my ULF channel. 5635 
What a beautiful result!!! 5634 
Pipe Organ with 128' register in Augsburg, Germany 5628 
An absolute must for ULF channel. 5611 
The compartmentalized bass 5488 
Paralleled SET bass 5484 
A new concept of ULF channel. 5476 
Infinite baffle 5476 
A 4th order bandpass vibrator? 5476 
ULF idea, possibly stupid. 5475 
IB vs Horn 5475 
A Distributed Infinite Baffle? 5474 
"Tuning" the "IB" 5474 
Flip 90 degrees 5474 
Little bump and the elephant solutions 5474 
How to do THAT? 5473 
ULF from coffee table 5473 
The through-hole tapped horn. 5473 
25 hz at 6db? 5473 
ULF from the SledgeHammer 5473 
Why not really use the basement 5473 
Never say never 5473 
How good ULF needs to be? 5462 
How good the user needs to be? 5462 
Maybe . . . 5462 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5462 
Narrow [Band] Tuning (DSP?) 5462 
ULF-only Sound 5422 
An easy ULF solution for someone. 5414 
Red Grills 5414 
It is exactly what I would like to avoid. 5413 
So I took your advice 5355 
Ok, let me know how it goes. 5355 
The ULF amp Itch. 5341 
Here is an update for the old thread.... 2962 
Good highs 2962 
Marchand 2019 
What truly are you tryin to accomplish? 2019 
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