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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. 5886 
A mono LF channel – I do not like it. 5882 
LF Results 5882 
The size maters 5881 
Response Curve 5881 
ULF placement and power 5881 
Wishful thinking and the Maelstrom-21 5881 
I will need a direct radiator under the bottom… 5881 
ULF experience: Drivers & power considerations cont'd 5880 
To experiment during the New England winter 5880 
Pitching pitch 5880 
There are many key points…. 5880 
A first true bass test 5864 
Actually…. 5864 
Best place lost? 5859 
Best location for bass, where art thou? 5859 
What to expect from ULF channel? 5843 
OK, it is something. 5842 
The new ULF scenario experiments. 5835 
Time coherence of ULF - my experience 5835 
Placement of ULF #2 5835 
Why I like the like the location #1 5835 
I need to find another ULF solution. 5827 
Ceiling subs 5826 
The infinite baffle shall be a very good solution. 5826 
This morning I woke up horny 5826 
Dsp 5826 
Parametric filters 5825 
SMS 1, Act II 5825 
I think I have found the problem with my ULF 5825 
SMS distortion issue? 5825 
At 30Hz of high order there are not truly tone” of “sound” 5825 
DCX output stage mods 5825 
Very small minority of the folks… 5825 
Exactly zero I suspect. . . 5825 
DSP vs. Music vs. HT 5825 
10" array; how low? & SMS-1 distortion 5825 
Interesting: 10” vs. 15” 5825 
Multiples of the Same Rising Response Curve? 5825 
The crisis of perception. 5824 
Dynamic range of ULF, tsunami and something else. 5823 
The Circle Unbroken 5823 
I wonder… is it PP2000? 5807 
The ULF and PurePower 2000 5798 
ULF Channel and LP playback. 5741 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5739 
I do not have an opinion yet. 5739 
Imponderabilis Neurosis 5739 
Bass non-pathologic hallucination… 5739 
A new paradigm for ULF? 5739 
…a number of logical flaws… 5739 
MAD HATTER 5738 
Thinking about my lower bass 5718 
Has Schrödinger's cat moved in unnoticed? 5718 
Wrong. 5718 
Groove Echo 5718 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5717 
Listening help with ULF stimulator 5717 
The ULF debate: time-alignment 5715 
Trying to address the dilemma with lowest bass. 5714 
Rotary woofer for ULF? 5714 
I do not need a Rotary woofer, I need to be less Moron. 5714 
*** 5714 
Congrats 5713 
Getting some maturity with ULF 5712 
About ULF attenuation. 5711 
How is it implemented? 5711 
My implementation of ULF channel. 5711 
Further thoughts about ULF channel. 5710 
ULF 5710 
I would agree but… 5710 
The problem that that I see with my ULF 5710 
Loudspeaker Proximity Coupling in Midbass & ULF 5710 
Great rotary idea! 5710 
Brilliant analyses! 5710 
Going down with bass 5708 
Under FS 5708 
Ideal ULF/Midbass integration 5708 
My super smart room! 5708 
Erratum ( or errata if you insist) 5708 
The issue is a complex one and should not be addressed generically ... 5708 
Cost benefit analysis of midbass horns v/s compromised ULF 5708 
There is no cost-benefit analysis for this thing. 5708 
I will experiment. 5708 
Sometimes experiment is not just experiment. 5708 
One Bass Horn or Two – for Oxric 5707 
My ways to mimic Reality. 5707 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5707 
"the purpose of playing, whose end both at the first and now..." 5707 
No manuals for those things…. 5707 
More about Rotary ULF idea. 5702 
Phoenix Gold Cyclone 5702 
Passing the waves…. as usual.... 5698 
Drive ULF Amp from Midbass Amp Output 5697 
There is “something”… 5697 
I do not know what I deal with. 5696 
I want my ULF amp back. 5685 
ULF emergency: Big & nasty solutions 5684 
No-amplification time 5684 
Listening audio without ULF. 5683 
Ok, I got the bass amp… 5683 
How much power do I need for my ULF. 5673 
A True ULF - what an amassing tool!!! 5671 
Put Marchand Crossover into the game. 5667 
I begin to like my active crossover. 5655 
Line-level passive vs. active ULF filter 5653 
Hm, there is no way to escape the 4th order. 5653 
Phase butterfly effect. 5652 
Back to DSP? 5652 
What I am trying to accomplish. 5652 
The art of ULF volume adjustment. 5651 
Sitting on a fence with ULF 5649 
The overly-swallowable bass. 5642 
To deLamminate my ULF channel. 5641 
What a beautiful result!!! 5640 
Pipe Organ with 128' register in Augsburg, Germany 5634 
An absolute must for ULF channel. 5617 
The compartmentalized bass 5494 
Paralleled SET bass 5490 
A new concept of ULF channel. 5482 
Infinite baffle 5482 
A 4th order bandpass vibrator? 5482 
ULF idea, possibly stupid. 5481 
IB vs Horn 5481 
A Distributed Infinite Baffle? 5480 
"Tuning" the "IB" 5480 
Flip 90 degrees 5480 
Little bump and the elephant solutions 5480 
How to do THAT? 5479 
ULF from coffee table 5479 
The through-hole tapped horn. 5479 
25 hz at 6db? 5479 
ULF from the SledgeHammer 5479 
Why not really use the basement 5479 
Never say never 5479 
How good ULF needs to be? 5468 
How good the user needs to be? 5468 
Maybe . . . 5468 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5468 
Narrow [Band] Tuning (DSP?) 5468 
ULF-only Sound 5428 
An easy ULF solution for someone. 5420 
Red Grills 5420 
It is exactly what I would like to avoid. 5419 
So I took your advice 5361 
Ok, let me know how it goes. 5361 
The ULF amp Itch. 5347 
Here is an update for the old thread.... 2968 
Good highs 2968 
Marchand 2025 
What truly are you tryin to accomplish? 2025 
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