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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.
How to get a LOT of SET power. 7515 
Son of a butch triode. 7515 
How to hear the voice of God. 7514 
55W of SET power from paralleled 845. 6570 
Big SETs - Just ideology? 6333 
… those monster SETs - very interesting subject. 6332 
Cost and justification of existence 6331 
Any option for DSET on GU-48? 5666 
Mastodont amp 5666 
Another might-be-interesting idea. 5666 
SE SS Class A 5666 
Transformer are not an issue at all. 5666 
Seems I'm semi-prepared... 5666 
Why GU-48/833? 5665 
It might be any powerful tube 5665 
Not For Kids! 5665 
Not necessarily. 5665 
Why so apocalyptic, Paul? 5665 
Using Commercial Products vs DIY HV SET From Scratch 5665 
Being an idiot... 5664 
If on suicidal mission 5664 
Zero-crossing ? 5664 
The grand scale of the concept. 5664 
Zero inspiration bias 5663 
Drum'n'bass party 5661 
Yes, it is interesting to fantasize 5661 
833 DC to 833? 5661 
Drum'n'bass party amp 5657 
Bread Board 5657 
Anybody is willing to build something like this? 5657 
Me... 5656 
Keep the eyes on the ball. 5656 
Reasons... 5656 
D'n'B v2 5656 
No go! 5655 
Talking about Powerful SETs 5642 
Sounds like PSEP (Parallel Single-ended Pentode) 5641 
Class A1 SE Pentode? 5641 
Audiopax 88... 5641 
Paralleling 6421215685 tubes 5641 
GU-80/GU-81 5640 
11V Direct Heater 5640 
Can it be it? 5640 
GU81M 5640 
More info please 5640 
Uuummm... 5640 
GU/GM vs. 6C33C 5640 
Bee's Knees 5640 
GU81 considerations 5639 
Triode 3-Stage 5639 
2 stage 5639 
Only one transformer per amp. 5639 
Gap 5639 
You've promissed... 5639 
There are more human ways to electrocute your pets.... 5639 
How big a gap? 5639 
2kV-3kV of B+ vs. 1A of plate current 5639 
HAHAHAHA! 5639 
There is nothing to laugh. 5639 
The highest path... 5639 
Closing the Gap 5639 
Missing miliampers 5638 
BAT Man 5638 
Why? 5638 
Are commercial PSETs made? 5638 
Wrong Again... 5638 
Non-linear electric chair 5620 
I would look at the problem wider. 5619 
Starting point? 5619 
Welding and other activities 5615 
Unfortunately no one is looking in this direction. 5615 
SS cheap trick 5615 
Gain, Phase and Corrected Frequency 5615 
A cheap trick 5615 
Multistage considerations 5614 
Too many unknowns in both cases 5614 
The only way seems to try and compare 5614 
Overall Gain 5614 
Have the cake and eat it 5604 
Drifting Away 5604 
This amp is OK only if you know the resulting Sound. 5604 
Demagogy 5603 
Stability 5603 
Bias 5603 
Active/Reactive 5603 
GU81M with a filter 5511 
Model Citizen 5511 
Modeling 5510 
Cap on Grid? 5510 
OK 5509 
Z 5509 
Plots 5509 
The high-power amp from Moscow. 5071 
A good 150W project for ULF 4832 
GU81M 4832 
212E PSE. 3688 
212E crazyness 3688 
I am not willing to do it. 3688 
Universal amp? 3687 
I do not know details. 3687 
ElPaso TubeAmps 3499 
Not a refrigerator but... 3393 
EIMAC and Amperex 2558 
170W WTF SET? 1125 
I think it is typical marketing BS 1125 
When Marketing (and a Moron) Kills Sound 1125 
Does not make sense to me. 1124 
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