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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.
Single-stage Melquiades vs. DHT amps 6505 
One-stage Milq++ and the DHT's alleged tone 6504 
DHT Milq? 6504 
The DHT journey. 6504 
DHT tone 6504 
Well, why not? 6503 
Holding the Fort 6503 
My DHT experiment: Preface 6503 
Input tube and DC heaters 6502 
Reimyo Pat 777 6502 
My DHT experiment: Observations 6498 
DHT or 300B? 6498 
300B 6498 
Talking, perception and the grounds for objectively 6498 
The Wine Via the Wine Glass 6497 
Hence the confusion 6497 
My DHT experiment: some conclusions. 6497 
Reality Reconstruction is not a functionality. 6497 
My experience with DHTs 6497 
Pigmented coloration? 6497 
Dht-dht 6497 
Dynamic viscosity? 6497 
The Pallette preamp... 6497 
If one DHT is good, two must be better? 6497 
"soul" of tubes 6497 
There is a difference... 6497 
Vibration injection? 6497 
Homework # 4334 6497 
The 01A-71A-10Y-45 chain 6497 
Old valves have more soul! 6496 
Was it soul or soil? 6496 
It was just a heading 6496 
Adjustable color: TIMBRE LOCK? 6496 
Neutral or neutral/uncoloured? 6496 
..are lacking in power, dynamics and bandwidth. 6496 
Timbre-Lock. Not quite ready for prime time. 6496 
Injection of analog dither? 6496 
Subliminal signal 6496 
The idea of analog randomanization. 6496 
Okay, what Avicena Power Generator 6496 
I hope you will be hearing about it. 6495 
Avicenna = Arabian 6495 
Persian, not Arab 6495 
The “second solution” - a major disappointment 6495 
More words to describe "sux" please 6495 
Revolution 6495 
The non-melodramatic DHT? 6495 
One-stage DHTs 6494 
One other thing 6494 
One stage 6494 
Brewing, thinking and heating 6494 
Physical characteristics of electronic devices 6494 
I see the things differently. 6494 
Don't waste time being "creative" 6494 
The audiophile attitude 6494 
The where and why of design choices 6494 
Blah blah blah 6494 
Laconic Clarity vs. Comfort vs. Nostalgia 6494 
Do I need to be hissing? 6494 
...associated with lack of neutrality and colorati... 6494 
John Broskie's Partial feedback amplifier 6494 
Randomness vs. freedom and the Homework # 4334 6493 
What is randomness? 6493 
Those least three possibilities… 6493 
Randomness and Music's Prerogative 6493 
It works, … sort of. The revolution is canceled. 6493 
Thorsten Loesch’s article about DHT SETs 6491 
A Beautiful Mind 6490 
Some summary and conclusions from the first phase. 6488 
Second phase: revising requirement for my DHT objectives. 6473 
Tubes for your DHT amp 6473 
Abandoning Milq? 6473 
Will see how it goes.... 6473 
Single-stage Milq vs. Sun Audio VT-2A3 6471 
Topology and 2A3? 6471 
6SN7-2A3 amps? 6471 
Type Casting 6471 
Sun Audio SV-2A3 6471 
6sn7-2a3 6471 
Topology vs parts 6471 
For a DHT amp, you are listening to the power supply 6471 
The vintage tubes syndrome. 6471 
Parts Frenzy 6471 
Too many new sounds 6471 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6470 
New tubes 6469 
Milq bias vs. batery bias 6469 
The batteries are a tricky thing. 6469 
Swimming the ocean at night? 6469 
New 2A3 6469 
To kill of do not kill the capacitor. 6468 
The JJ Electronic amp. 6467 
JJ 2A3 and amp 6467 
Czech tubes 6465 
Single plated vs Double plated? 6465 
Mono plate 2A3 tubes 6465 
I suggested once VT52 tube 6464 
The 800R vs. 1800R vs. 5500R 6464 
YO-186 as the output tube. 6461 
Here she is. 6460 
Some talks about the new production tubes 6456 
New 2A3 tubes 6456 
Some thoughts about one-IHT vs. multiple-DHT 6456 
The Sun Audio with 6E5P 6455 
Multistage DHT circuits 6454 
Wrong tube or wrong topology – here is the question. 6453 
Emission Labs 2A3 6453 
Some comment and questions about then 2A3 talks. 6453 
Which Chinese 2A3? 6453 
OK, for a first time I like the San Audio Kit. 6453 
The YO186 Strip Show 6453 
More on the 2A3 comparisons 6452 
It will be interesting…. 6452 
OPT impedence 6452 
More about the Plate Loading 6452 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6447 
2A3 data 6447 
The New 2A3 tubes 6447 
How many stages I need for 110dB sensitivity, smal... 6447 
How many stages and why... and who makes that 45 o... 6446 
Everything about everything. 6446 
Some very good points... and... possibly more logi... 6446 
Options, options, options.... 6446 
I think we agree overall 6446 
An IDHT with more gain? 6445 
You don't ask for much now, eh? 6445 
2A3 tube impressions 6440 
Interesting analogy 6440 
NOS 2A3 tubes versus new tubes 6440 
Hmmm, let me try this one again... 6440 
Sylvania 2A3 identification 6440 
A picture is worth a thousand micromhos? 6440 
I have more interest in the period tubes 6440 
Why NOS tubes? 6439 
The Holly Ignorance 6439 
Tube tasting 6439 
The cathodes’ flatulence? 6439 
Make mine thoriated please 6439 
Any Germans out there? 6439 
6E5P VS 6E6P 6439 
Vibrations? What do you with them? 6439 
Vibration in tubes and sounds 6439 
UX4 vs UX4ruskie 6438 
Ringing the tubes? I do not know how about that. 6438 
Tube sound and vibration 6438 
The thoughts collection about YO186? 6432 
The lights look green for the YO tube 6431 
"Melquiades" with YO-186. Something like... 6431 
My version of RE-604 and PX4 6430 
The YO186 tube sockets. 6430 
B4/B5 British made 6429 
The YO186’s sockets and prices 6429 
DHT 2A3 amplifier rectification 6428 
My attitude toward tube rectification. 6428 
Tu-be or not Tu-be, seems Tu-be the question. 6427 
It looks like DHT DSET is shaping up. 6426 
The Sylvania 2A3 NOS report 6423 
The Citizen Kane syndrome. 6423 
Sylvania 2A3 in a World without Color 6422 
Are NOS and new manufacture comparing oranges to o... 6422 
That all is incorrect in a way…. 6422 
NOS vs new 2A3 tubes 6422 
The identical operation environment? 6422 
Preferred 2A3 operating point 6422 
The sound of the 2A3 however? 6422 
Circuit modification for 2A3 optimization 6421 
How to get max power from 2A3 6421 
2A3 voltages, loads and realized output power 6421 
Optimal operation of 2A3: an experiment 6421 
Tubes, Whole Circuits, Expectations and Sound 6421 
Gain is not power. 6421 
2A3 amplifier modification & Optimization 6421 
Specialized DSET approach 6421 
6C33/2A3 DSET? 6421 
SET usable power and making the most of it 6421 
The 2A3 loading 6421 
DSET solution for EdgarHorn? 6421 
Optimizing the 2A3 6421 
How much to DSET a DSET 6421 
DSET for Titan 6421 
The Best of All Worlds 6421 
Multiamp setup 6420 
Optimizing the (NOS) 2A3... "KM-style"? 6420 
There are many opportunities, it all depends what ... 6420 
Modifying amplifer to optimize NOS 2A3 performance 6420 
Conceptualizing Melquiades DSET is done 6414 
2A3 and 400V supply 6414 
Pudding and the chicken wires 6413 
Another shot at numbers 6413 
How to cook the "uninformed" anode. 6413 
Okay, so this might work.... 6413 
The DHT Milq DSET, the prebuilt draft. 6413 
Looks good, but.... 6412 
2A3 with slightly lover filament voltage? 6412 
Less is more... usually. 6412 
Where to burn gain? how? and where to get beter st... 6411 
Stepping Out 6411 
Said to be good, but 6411 
Gain to lose 6411 
Why nothing is simple with this damn amp! 6411 
Another idea for losing gain 6411 
What's best 6411 
Options, options... 6411 
Actually, it is not so bad. 6411 
Other compromises... 6410 
Cathode vs. fixed with DHT 6409 
Is it glowing yet? 6389 
It is comming.... 6389 
The new MF channel. 6383 
I started to work on the Milq’s DHT Island. 6382 
Innerstage loading vs. OPT loading. 6374 
The intestage loading talk. 6371 
My playback feels like it is broken. 6366 
1 in 50? 6366 
Yes, it was after PP2000 6366 
Die Walküre soldering. 6365 
The post Die Walküre soldering 6364 
Another amp arond YO186 6363 
Gain? 6363 
The Unexpected problem with DHT Milq. 6363 
Simple is good 6362 
Ok, I am moving forward. 6362 
The Milq DSET is up. 6361 
My DH DSET – 2 days later. 6359 
Here is more data to reconcile. 6359 
Hm, that is interesting and unpleasant so far. 6358 
Ok, what do I want? 6358 
Let Go of Some Conceptual "Restrictions"? 6358 
The Milq DH DSET, the further thoughts in progress. 6358 
Crunching Numbers; Shaping Sound 6358 
How about the tweeter? 6357 
Tweeter Efficiency? 6357 
Safe and Sound 6357 
More mystery with tweeter but still on the subject. 6357 
Some clarifications. 6357 
How about that?!!! 6357 
Further considerations: DC-coupling. 6355 
Head Room 6355 
To kill the mandatory 13dB 6354 
DC coupling and killing 13db and driving 6e5p miller and.... 6354 
I do not think that it might be damaging… 6354 
Again with the PS 6354 
AKA J.C. Morrison’s amp but… 6352 
Parallel Universe 6352 
Melquiades HD MF DSET, Draft13. 6350 
Why I let other people build them... 6350 
Ok, it's going to right direction. 6350 
Ok, it looks already very close…. 6349 
The Loftinish-Whitish, well sort of…. 6346 
MF: the pre-final version. 6346 
Loftin-White? 6346 
Did anyone hear the PX4 amplifiers? 6346 
What Could use Improving at This Point? 6346 
The Milq’s MF front-end is done 6342 
Why I Let Other People Build Them, II 6342 
Define really quiet 6341 
Another variable of sound 6341 
Backlash? 6341 
Alternative filament supplies 6341 
I kind of faced a problem with AC 6341 
Going down the DC path 6340 
It is not about the “whole sound” but about “molec... 6340 
Molecular sound 6340 
AC-DC heater supply 6340 
The Tentlabs are $10 worth PS. 6340 
The unexpected resolution of AC vs. DC quandary. 6340 
The devil is less scared than it depicted. 6340 
Hiss or Hum 6340 
AC transformers 6340 
I have seen the Promised Land 6339 
OK, the choke noise is not a problem anymore 6339 
Ok, it is working fine but… 6338 
Divide and Conquer 6338 
The design phase is over. 6337 
The unexpected insanity! 6336 
Loading 6336 
Looking for inspiring ideas for 'universal' loadin... 6336 
A filaments Sherlock Holmes wanted. 6336 
Going the Distance 6336 
Read the f*** manual! 6336 
Agreed. 6336 
I agree 6336 
The filament transformer 6336 
Center-tap and options 6336 
Something like this…. 6336 
Avoiding "Dial-an-Amp" 6336 
The foreplay is going on. 6336 
Split balance 6335 
Further thoughts about my DH filaments 6335 
The Shuguang 2A3 tubes. 6335 
SHuguang 6335 
Going through…. 6334 
The 2.5V noise vs. 4V noise. 6333 
More about Shuguang 2A3C 6333 
Hum vs voltage 6333 
Meow about the tubes… 6333 
To Be a Content Cat 6333 
Completed! 6330 
Tradition 6330 
Absolutely beautiful! 6330 
The 'film' caps in PS 6329 
Science or religion 6329 
Mass Extinction 6329 
Electrolytics, technology and time 6329 
No more questions about PS capacitors. 6329 
Capacitor choices 6329 
Good time. Welcome back. Thanks God. 6328 
The minor day of Quartets. 6328 
Them's the Breaks 6328 
Eventually! 6327 
So Soon? 6327 
DHT MF channel and 6-ch amp: first conclusions 6327 
All Abuzz about Nothing 6326 
The wire for DC-coupling 6326 
The Dirt on DIY Backlash 6326 
DSET vs. the “better tubes”. 6326 
How to test the DH tubes properly? 6325 
Pairing up tubes for SE use 6324 
The DHT live reserve 6323 
Some interestng models 6323 
Eaten alive. 6323 
The tubey déjà vu? 6322 
The new concept of my output transformer. 6318 
The 4V takes a lead. 6314 
Listening the DH and the striped down version of M... 6311 
I kind of slowly learn what I need. 6311 
More HF from a transformer and DHT? 6309 
Since You Don't Need the Gain 6308 
Exiting the design mode? 6308 
Bye-bye the input divider on MF! 6308 
A few steps back and a gaint leap ahead. 6304 
Single-stage vs. DHT amp. 6303 
Setting up the new Playback 6302 
And the winner is… so far 6299 
If you like type 45... 6299 
Type 45... they're not all the same 6299 
Favorite Flavor? 6299 
The 45 times Meow... 6299 
The problem that I see is… 6299 
Running the 45 6299 
The 10Y...and bye bye Newton 6298 
The commentaries about everything. 6298 
Driver tube and biasing 6298 
DHT drivers 6298 
The ideas are worth trying? 6298 
A question about the polishing the things…. 6294 
The Particular Tube, I'm afraid... 6294 
Driving the 45... cathode first 6293 
ST or Globe; old or new... 6293 
Whatever sticks to the wall as an operation point ... 6293 
The attenuating crap in secondary. 6293 
Operating points and cathode current 6293 
The Burgeoning Opportunities! 6293 
Actually it is not so simple. 6293 
Resistors at the front 6292 
A minor alternation of a position 6292 
The era of enlightenment. 6289 
The devil is in the details.... 6289 
Constructing Sound 6289 
A new view on the DHT evaluation. 6288 
The “strange” YO186 6279 
The dead guy’s lessons. 6234 
2S4S and 2A3 6225 
Ho to use the YO186 6218 
YO 186 fundamental flavor 6218 
The YO-YO tube and "fundamentals" channel 6218 
The live without the YO186, again.... 6216 
Not anymore! 6205 
The very good YoYonisation! 6204 
….above and below two very clean channel. 6203 
The DHT and esoteric imaging deformation. 6190 
DHT, YO186, or??? 6190 
I had no idea how ‘different’ it is. 6137 
The Kazitsky Manufacturing and YO104, some history. 6136 
"Absolution and Eternal Refuge." 6133 
Sofia Electric Type 45 Mesh 6123 
The true association of YO186's Sounds. 5885 
All the Best from Burgundy 5885 
Cheesy tubes 5884 
Me and my DHT references… 5775 
Y0-186 in winter. 5678 
Y0-186 sounds like… 5677 
Rethinking the YO186 tube. 5646 
In My Dreams 5646 
Grunt from type 45? A ridicules comment. 5646 
Blame? 5645 
When good is not good enough. 5645 
45s, Drivers, and 45s 5645 
Hm, that was so simple after all! 5644 
How the YO186 was used. 5228 
What is old is new? 5227 
YO186 vs. type 45. 5226 
The YO186 is gone.... :-( 4775 
That sucks. 4775 
YO186 4773 
Hm, what the hell is going on? 4773 
I do not think that anybody but me would like YO186 4773 
A hallucination? 4770 
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