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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. 5883 
A mono LF channel – I do not like it. 5879 
LF Results 5879 
The size maters 5878 
Response Curve 5878 
ULF placement and power 5878 
Wishful thinking and the Maelstrom-21 5878 
I will need a direct radiator under the bottom… 5878 
ULF experience: Drivers & power considerations cont'd 5877 
To experiment during the New England winter 5877 
Pitching pitch 5877 
There are many key points…. 5877 
A first true bass test 5861 
Actually…. 5861 
Best place lost? 5856 
Best location for bass, where art thou? 5856 
What to expect from ULF channel? 5840 
OK, it is something. 5839 
The new ULF scenario experiments. 5832 
Time coherence of ULF - my experience 5832 
Placement of ULF #2 5832 
Why I like the like the location #1 5832 
I need to find another ULF solution. 5824 
Ceiling subs 5823 
The infinite baffle shall be a very good solution. 5823 
This morning I woke up horny 5823 
Dsp 5823 
Parametric filters 5822 
SMS 1, Act II 5822 
I think I have found the problem with my ULF 5822 
SMS distortion issue? 5822 
At 30Hz of high order there are not truly tone” of “sound” 5822 
DCX output stage mods 5822 
Very small minority of the folks… 5822 
Exactly zero I suspect. . . 5822 
DSP vs. Music vs. HT 5822 
10" array; how low? & SMS-1 distortion 5822 
Interesting: 10” vs. 15” 5822 
Multiples of the Same Rising Response Curve? 5822 
The crisis of perception. 5821 
Dynamic range of ULF, tsunami and something else. 5820 
The Circle Unbroken 5820 
I wonder… is it PP2000? 5804 
The ULF and PurePower 2000 5795 
ULF Channel and LP playback. 5738 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5736 
I do not have an opinion yet. 5736 
Imponderabilis Neurosis 5736 
Bass non-pathologic hallucination… 5736 
A new paradigm for ULF? 5736 
…a number of logical flaws… 5736 
MAD HATTER 5735 
Thinking about my lower bass 5715 
Has Schrödinger's cat moved in unnoticed? 5715 
Wrong. 5715 
Groove Echo 5715 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5714 
Listening help with ULF stimulator 5714 
The ULF debate: time-alignment 5712 
Trying to address the dilemma with lowest bass. 5711 
Rotary woofer for ULF? 5711 
I do not need a Rotary woofer, I need to be less Moron. 5711 
*** 5711 
Congrats 5710 
Getting some maturity with ULF 5709 
About ULF attenuation. 5708 
How is it implemented? 5708 
My implementation of ULF channel. 5708 
Further thoughts about ULF channel. 5707 
ULF 5707 
I would agree but… 5707 
The problem that that I see with my ULF 5707 
Loudspeaker Proximity Coupling in Midbass & ULF 5707 
Great rotary idea! 5707 
Brilliant analyses! 5707 
Going down with bass 5705 
Under FS 5705 
Ideal ULF/Midbass integration 5705 
My super smart room! 5705 
Erratum ( or errata if you insist) 5705 
The issue is a complex one and should not be addressed generically ... 5705 
Cost benefit analysis of midbass horns v/s compromised ULF 5705 
There is no cost-benefit analysis for this thing. 5705 
I will experiment. 5705 
Sometimes experiment is not just experiment. 5705 
One Bass Horn or Two – for Oxric 5704 
My ways to mimic Reality. 5704 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5704 
"the purpose of playing, whose end both at the first and now..." 5704 
No manuals for those things…. 5704 
More about Rotary ULF idea. 5699 
Phoenix Gold Cyclone 5699 
Passing the waves…. as usual.... 5695 
Drive ULF Amp from Midbass Amp Output 5694 
There is “something”… 5694 
I do not know what I deal with. 5693 
I want my ULF amp back. 5682 
ULF emergency: Big & nasty solutions 5681 
No-amplification time 5681 
Listening audio without ULF. 5680 
Ok, I got the bass amp… 5680 
How much power do I need for my ULF. 5670 
A True ULF - what an amassing tool!!! 5668 
Put Marchand Crossover into the game. 5664 
I begin to like my active crossover. 5652 
Line-level passive vs. active ULF filter 5650 
Hm, there is no way to escape the 4th order. 5650 
Phase butterfly effect. 5649 
Back to DSP? 5649 
What I am trying to accomplish. 5649 
The art of ULF volume adjustment. 5648 
Sitting on a fence with ULF 5646 
The overly-swallowable bass. 5639 
To deLamminate my ULF channel. 5638 
What a beautiful result!!! 5637 
Pipe Organ with 128' register in Augsburg, Germany 5631 
An absolute must for ULF channel. 5614 
The compartmentalized bass 5491 
Paralleled SET bass 5487 
A new concept of ULF channel. 5479 
Infinite baffle 5479 
A 4th order bandpass vibrator? 5479 
ULF idea, possibly stupid. 5478 
IB vs Horn 5478 
A Distributed Infinite Baffle? 5477 
"Tuning" the "IB" 5477 
Flip 90 degrees 5477 
Little bump and the elephant solutions 5477 
How to do THAT? 5476 
ULF from coffee table 5476 
The through-hole tapped horn. 5476 
25 hz at 6db? 5476 
ULF from the SledgeHammer 5476 
Why not really use the basement 5476 
Never say never 5476 
How good ULF needs to be? 5465 
How good the user needs to be? 5465 
Maybe . . . 5465 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5465 
Narrow [Band] Tuning (DSP?) 5465 
ULF-only Sound 5425 
An easy ULF solution for someone. 5417 
Red Grills 5417 
It is exactly what I would like to avoid. 5416 
So I took your advice 5358 
Ok, let me know how it goes. 5358 
The ULF amp Itch. 5344 
Here is an update for the old thread.... 2965 
Good highs 2965 
Marchand 2022 
What truly are you tryin to accomplish? 2022 
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