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Site News: 17 May 2026

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Romy The Cat's Playback
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Melquiades SET Amplifier
Macondo Acoustic System
End of Life Phonostage
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My Exotic Audio Leftovers
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» Electrostatic tweeter fo»
» The best practices for D»
» Chesky Records went &quo»
» Antenna attenuator – you»
» A slightly crazy idea fo»
» My Audio "Reviewing»
» Those little headphones…
» Gestalt
» Elgar conducts Elgar.
» Orion Phono Preamplifier
» The iHorn - a passive a»
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» How audio started….
» Single Driver speakers
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» Performers
» PCM63 DAC with Transform»
» Swell New RIAA-Only Phon»
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» Music and WW3
» My Multi-way Horns
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» A magnetic hybrid driver.
» Antenna solutions for FM
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» The “Primary Frequencies»
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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. 7393 
Son of a butch triode. 7393 
How to hear the voice of God. 7392 
55W of SET power from paralleled 845. 6448 
Big SETs - Just ideology? 6211 
… those monster SETs - very interesting subject. 6210 
Cost and justification of existence 6209 
Any option for DSET on GU-48? 5544 
Mastodont amp 5544 
Another might-be-interesting idea. 5544 
SE SS Class A 5544 
Transformer are not an issue at all. 5544 
Seems I'm semi-prepared... 5544 
Why GU-48/833? 5543 
It might be any powerful tube 5543 
Not For Kids! 5543 
Not necessarily. 5543 
Why so apocalyptic, Paul? 5543 
Using Commercial Products vs DIY HV SET From Scratch 5543 
Being an idiot... 5542 
If on suicidal mission 5542 
Zero-crossing ? 5542 
The grand scale of the concept. 5542 
Zero inspiration bias 5541 
Drum'n'bass party 5539 
Yes, it is interesting to fantasize 5539 
833 DC to 833? 5539 
Drum'n'bass party amp 5535 
Bread Board 5535 
Anybody is willing to build something like this? 5535 
Me... 5534 
Keep the eyes on the ball. 5534 
Reasons... 5534 
D'n'B v2 5534 
No go! 5533 
Talking about Powerful SETs 5520 
Sounds like PSEP (Parallel Single-ended Pentode) 5519 
Class A1 SE Pentode? 5519 
Audiopax 88... 5519 
Paralleling 6421215685 tubes 5519 
GU-80/GU-81 5518 
11V Direct Heater 5518 
Can it be it? 5518 
GU81M 5518 
More info please 5518 
Uuummm... 5518 
GU/GM vs. 6C33C 5518 
Bee's Knees 5518 
GU81 considerations 5517 
Triode 3-Stage 5517 
2 stage 5517 
Only one transformer per amp. 5517 
Gap 5517 
You've promissed... 5517 
There are more human ways to electrocute your pets.... 5517 
How big a gap? 5517 
2kV-3kV of B+ vs. 1A of plate current 5517 
HAHAHAHA! 5517 
There is nothing to laugh. 5517 
The highest path... 5517 
Closing the Gap 5517 
Missing miliampers 5516 
BAT Man 5516 
Why? 5516 
Are commercial PSETs made? 5516 
Wrong Again... 5516 
Non-linear electric chair 5498 
I would look at the problem wider. 5497 
Starting point? 5497 
Welding and other activities 5493 
Unfortunately no one is looking in this direction. 5493 
SS cheap trick 5493 
Gain, Phase and Corrected Frequency 5493 
A cheap trick 5493 
Multistage considerations 5492 
Too many unknowns in both cases 5492 
The only way seems to try and compare 5492 
Overall Gain 5492 
Have the cake and eat it 5482 
Drifting Away 5482 
This amp is OK only if you know the resulting Sound. 5482 
Demagogy 5481 
Stability 5481 
Bias 5481 
Active/Reactive 5481 
GU81M with a filter 5389 
Model Citizen 5389 
Modeling 5388 
Cap on Grid? 5388 
OK 5387 
Z 5387 
Plots 5387 
The high-power amp from Moscow. 4949 
A good 150W project for ULF 4710 
GU81M 4710 
212E PSE. 3566 
212E crazyness 3566 
I am not willing to do it. 3566 
Universal amp? 3565 
I do not know details. 3565 
ElPaso TubeAmps 3377 
Not a refrigerator but... 3271 
EIMAC and Amperex 2436 
170W WTF SET? 1003 
I think it is typical marketing BS 1003 
When Marketing (and a Moron) Kills Sound 1003 
Does not make sense to me. 1002 
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