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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 6548 
One-stage Milq++ and the DHT's alleged tone 6547 
DHT Milq? 6547 
The DHT journey. 6547 
DHT tone 6547 
Well, why not? 6546 
Holding the Fort 6546 
My DHT experiment: Preface 6546 
Input tube and DC heaters 6545 
Reimyo Pat 777 6545 
My DHT experiment: Observations 6541 
DHT or 300B? 6541 
300B 6541 
Talking, perception and the grounds for objectively 6541 
The Wine Via the Wine Glass 6540 
Hence the confusion 6540 
My DHT experiment: some conclusions. 6540 
Reality Reconstruction is not a functionality. 6540 
My experience with DHTs 6540 
Pigmented coloration? 6540 
Dht-dht 6540 
Dynamic viscosity? 6540 
The Pallette preamp... 6540 
If one DHT is good, two must be better? 6540 
"soul" of tubes 6540 
There is a difference... 6540 
Vibration injection? 6540 
Homework # 4334 6540 
The 01A-71A-10Y-45 chain 6540 
Old valves have more soul! 6539 
Was it soul or soil? 6539 
It was just a heading 6539 
Adjustable color: TIMBRE LOCK? 6539 
Neutral or neutral/uncoloured? 6539 
..are lacking in power, dynamics and bandwidth. 6539 
Timbre-Lock. Not quite ready for prime time. 6539 
Injection of analog dither? 6539 
Subliminal signal 6539 
The idea of analog randomanization. 6539 
Okay, what Avicena Power Generator 6539 
I hope you will be hearing about it. 6538 
Avicenna = Arabian 6538 
Persian, not Arab 6538 
The “second solution” - a major disappointment 6538 
More words to describe "sux" please 6538 
Revolution 6538 
The non-melodramatic DHT? 6538 
One-stage DHTs 6537 
One other thing 6537 
One stage 6537 
Brewing, thinking and heating 6537 
Physical characteristics of electronic devices 6537 
I see the things differently. 6537 
Don't waste time being "creative" 6537 
The audiophile attitude 6537 
The where and why of design choices 6537 
Blah blah blah 6537 
Laconic Clarity vs. Comfort vs. Nostalgia 6537 
Do I need to be hissing? 6537 
...associated with lack of neutrality and colorati... 6537 
John Broskie's Partial feedback amplifier 6537 
Randomness vs. freedom and the Homework # 4334 6536 
What is randomness? 6536 
Those least three possibilities… 6536 
Randomness and Music's Prerogative 6536 
It works, … sort of. The revolution is canceled. 6536 
Thorsten Loesch’s article about DHT SETs 6534 
A Beautiful Mind 6533 
Some summary and conclusions from the first phase. 6531 
Second phase: revising requirement for my DHT objectives. 6516 
Tubes for your DHT amp 6516 
Abandoning Milq? 6516 
Will see how it goes.... 6516 
Single-stage Milq vs. Sun Audio VT-2A3 6514 
Topology and 2A3? 6514 
6SN7-2A3 amps? 6514 
Type Casting 6514 
Sun Audio SV-2A3 6514 
6sn7-2a3 6514 
Topology vs parts 6514 
For a DHT amp, you are listening to the power supply 6514 
The vintage tubes syndrome. 6514 
Parts Frenzy 6514 
Too many new sounds 6514 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6513 
New tubes 6512 
Milq bias vs. batery bias 6512 
The batteries are a tricky thing. 6512 
Swimming the ocean at night? 6512 
New 2A3 6512 
To kill of do not kill the capacitor. 6511 
The JJ Electronic amp. 6510 
JJ 2A3 and amp 6510 
Czech tubes 6508 
Single plated vs Double plated? 6508 
Mono plate 2A3 tubes 6508 
I suggested once VT52 tube 6507 
The 800R vs. 1800R vs. 5500R 6507 
YO-186 as the output tube. 6504 
Here she is. 6503 
Some talks about the new production tubes 6499 
New 2A3 tubes 6499 
Some thoughts about one-IHT vs. multiple-DHT 6499 
The Sun Audio with 6E5P 6498 
Multistage DHT circuits 6497 
Wrong tube or wrong topology – here is the question. 6496 
Emission Labs 2A3 6496 
Some comment and questions about then 2A3 talks. 6496 
Which Chinese 2A3? 6496 
OK, for a first time I like the San Audio Kit. 6496 
The YO186 Strip Show 6496 
More on the 2A3 comparisons 6495 
It will be interesting…. 6495 
OPT impedence 6495 
More about the Plate Loading 6495 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6490 
2A3 data 6490 
The New 2A3 tubes 6490 
How many stages I need for 110dB sensitivity, smal... 6490 
How many stages and why... and who makes that 45 o... 6489 
Everything about everything. 6489 
Some very good points... and... possibly more logi... 6489 
Options, options, options.... 6489 
I think we agree overall 6489 
An IDHT with more gain? 6488 
You don't ask for much now, eh? 6488 
2A3 tube impressions 6483 
Interesting analogy 6483 
NOS 2A3 tubes versus new tubes 6483 
Hmmm, let me try this one again... 6483 
Sylvania 2A3 identification 6483 
A picture is worth a thousand micromhos? 6483 
I have more interest in the period tubes 6483 
Why NOS tubes? 6482 
The Holly Ignorance 6482 
Tube tasting 6482 
The cathodes’ flatulence? 6482 
Make mine thoriated please 6482 
Any Germans out there? 6482 
6E5P VS 6E6P 6482 
Vibrations? What do you with them? 6482 
Vibration in tubes and sounds 6482 
UX4 vs UX4ruskie 6481 
Ringing the tubes? I do not know how about that. 6481 
Tube sound and vibration 6481 
The thoughts collection about YO186? 6475 
The lights look green for the YO tube 6474 
"Melquiades" with YO-186. Something like... 6474 
My version of RE-604 and PX4 6473 
The YO186 tube sockets. 6473 
B4/B5 British made 6472 
The YO186’s sockets and prices 6472 
DHT 2A3 amplifier rectification 6471 
My attitude toward tube rectification. 6471 
Tu-be or not Tu-be, seems Tu-be the question. 6470 
It looks like DHT DSET is shaping up. 6469 
The Sylvania 2A3 NOS report 6466 
The Citizen Kane syndrome. 6466 
Sylvania 2A3 in a World without Color 6465 
Are NOS and new manufacture comparing oranges to o... 6465 
That all is incorrect in a way…. 6465 
NOS vs new 2A3 tubes 6465 
The identical operation environment? 6465 
Preferred 2A3 operating point 6465 
The sound of the 2A3 however? 6465 
Circuit modification for 2A3 optimization 6464 
How to get max power from 2A3 6464 
2A3 voltages, loads and realized output power 6464 
Optimal operation of 2A3: an experiment 6464 
Tubes, Whole Circuits, Expectations and Sound 6464 
Gain is not power. 6464 
2A3 amplifier modification & Optimization 6464 
Specialized DSET approach 6464 
6C33/2A3 DSET? 6464 
SET usable power and making the most of it 6464 
The 2A3 loading 6464 
DSET solution for EdgarHorn? 6464 
Optimizing the 2A3 6464 
How much to DSET a DSET 6464 
DSET for Titan 6464 
The Best of All Worlds 6464 
Multiamp setup 6463 
Optimizing the (NOS) 2A3... "KM-style"? 6463 
There are many opportunities, it all depends what ... 6463 
Modifying amplifer to optimize NOS 2A3 performance 6463 
Conceptualizing Melquiades DSET is done 6457 
2A3 and 400V supply 6457 
Pudding and the chicken wires 6456 
Another shot at numbers 6456 
How to cook the "uninformed" anode. 6456 
Okay, so this might work.... 6456 
The DHT Milq DSET, the prebuilt draft. 6456 
Looks good, but.... 6455 
2A3 with slightly lover filament voltage? 6455 
Less is more... usually. 6455 
Where to burn gain? how? and where to get beter st... 6454 
Stepping Out 6454 
Said to be good, but 6454 
Gain to lose 6454 
Why nothing is simple with this damn amp! 6454 
Another idea for losing gain 6454 
What's best 6454 
Options, options... 6454 
Actually, it is not so bad. 6454 
Other compromises... 6453 
Cathode vs. fixed with DHT 6452 
Is it glowing yet? 6432 
It is comming.... 6432 
The new MF channel. 6426 
I started to work on the Milq’s DHT Island. 6425 
Innerstage loading vs. OPT loading. 6417 
The intestage loading talk. 6414 
My playback feels like it is broken. 6409 
1 in 50? 6409 
Yes, it was after PP2000 6409 
Die Walküre soldering. 6408 
The post Die Walküre soldering 6407 
Another amp arond YO186 6406 
Gain? 6406 
The Unexpected problem with DHT Milq. 6406 
Simple is good 6405 
Ok, I am moving forward. 6405 
The Milq DSET is up. 6404 
My DH DSET – 2 days later. 6402 
Here is more data to reconcile. 6402 
Hm, that is interesting and unpleasant so far. 6401 
Ok, what do I want? 6401 
Let Go of Some Conceptual "Restrictions"? 6401 
The Milq DH DSET, the further thoughts in progress. 6401 
Crunching Numbers; Shaping Sound 6401 
How about the tweeter? 6400 
Tweeter Efficiency? 6400 
Safe and Sound 6400 
More mystery with tweeter but still on the subject. 6400 
Some clarifications. 6400 
How about that?!!! 6400 
Further considerations: DC-coupling. 6398 
Head Room 6398 
To kill the mandatory 13dB 6397 
DC coupling and killing 13db and driving 6e5p miller and.... 6397 
I do not think that it might be damaging… 6397 
Again with the PS 6397 
AKA J.C. Morrison’s amp but… 6395 
Parallel Universe 6395 
Melquiades HD MF DSET, Draft13. 6393 
Why I let other people build them... 6393 
Ok, it's going to right direction. 6393 
Ok, it looks already very close…. 6392 
The Loftinish-Whitish, well sort of…. 6389 
MF: the pre-final version. 6389 
Loftin-White? 6389 
Did anyone hear the PX4 amplifiers? 6389 
What Could use Improving at This Point? 6389 
The Milq’s MF front-end is done 6385 
Why I Let Other People Build Them, II 6385 
Define really quiet 6384 
Another variable of sound 6384 
Backlash? 6384 
Alternative filament supplies 6384 
I kind of faced a problem with AC 6384 
Going down the DC path 6383 
It is not about the “whole sound” but about “molec... 6383 
Molecular sound 6383 
AC-DC heater supply 6383 
The Tentlabs are $10 worth PS. 6383 
The unexpected resolution of AC vs. DC quandary. 6383 
The devil is less scared than it depicted. 6383 
Hiss or Hum 6383 
AC transformers 6383 
I have seen the Promised Land 6382 
OK, the choke noise is not a problem anymore 6382 
Ok, it is working fine but… 6381 
Divide and Conquer 6381 
The design phase is over. 6380 
The unexpected insanity! 6379 
Loading 6379 
Looking for inspiring ideas for 'universal' loadin... 6379 
A filaments Sherlock Holmes wanted. 6379 
Going the Distance 6379 
Read the f*** manual! 6379 
Agreed. 6379 
I agree 6379 
The filament transformer 6379 
Center-tap and options 6379 
Something like this…. 6379 
Avoiding "Dial-an-Amp" 6379 
The foreplay is going on. 6379 
Split balance 6378 
Further thoughts about my DH filaments 6378 
The Shuguang 2A3 tubes. 6378 
SHuguang 6378 
Going through…. 6377 
The 2.5V noise vs. 4V noise. 6376 
More about Shuguang 2A3C 6376 
Hum vs voltage 6376 
Meow about the tubes… 6376 
To Be a Content Cat 6376 
Completed! 6373 
Tradition 6373 
Absolutely beautiful! 6373 
The 'film' caps in PS 6372 
Science or religion 6372 
Mass Extinction 6372 
Electrolytics, technology and time 6372 
No more questions about PS capacitors. 6372 
Capacitor choices 6372 
Good time. Welcome back. Thanks God. 6371 
The minor day of Quartets. 6371 
Them's the Breaks 6371 
Eventually! 6370 
So Soon? 6370 
DHT MF channel and 6-ch amp: first conclusions 6370 
All Abuzz about Nothing 6369 
The wire for DC-coupling 6369 
The Dirt on DIY Backlash 6369 
DSET vs. the “better tubes”. 6369 
How to test the DH tubes properly? 6368 
Pairing up tubes for SE use 6367 
The DHT live reserve 6366 
Some interestng models 6366 
Eaten alive. 6366 
The tubey déjà vu? 6365 
The new concept of my output transformer. 6361 
The 4V takes a lead. 6357 
Listening the DH and the striped down version of M... 6354 
I kind of slowly learn what I need. 6354 
More HF from a transformer and DHT? 6352 
Since You Don't Need the Gain 6351 
Exiting the design mode? 6351 
Bye-bye the input divider on MF! 6351 
A few steps back and a gaint leap ahead. 6347 
Single-stage vs. DHT amp. 6346 
Setting up the new Playback 6345 
And the winner is… so far 6342 
If you like type 45... 6342 
Type 45... they're not all the same 6342 
Favorite Flavor? 6342 
The 45 times Meow... 6342 
The problem that I see is… 6342 
Running the 45 6342 
The 10Y...and bye bye Newton 6341 
The commentaries about everything. 6341 
Driver tube and biasing 6341 
DHT drivers 6341 
The ideas are worth trying? 6341 
A question about the polishing the things…. 6337 
The Particular Tube, I'm afraid... 6337 
Driving the 45... cathode first 6336 
ST or Globe; old or new... 6336 
Whatever sticks to the wall as an operation point ... 6336 
The attenuating crap in secondary. 6336 
Operating points and cathode current 6336 
The Burgeoning Opportunities! 6336 
Actually it is not so simple. 6336 
Resistors at the front 6335 
A minor alternation of a position 6335 
The era of enlightenment. 6332 
The devil is in the details.... 6332 
Constructing Sound 6332 
A new view on the DHT evaluation. 6331 
The “strange” YO186 6322 
The dead guy’s lessons. 6277 
2S4S and 2A3 6268 
Ho to use the YO186 6261 
YO 186 fundamental flavor 6261 
The YO-YO tube and "fundamentals" channel 6261 
The live without the YO186, again.... 6259 
Not anymore! 6248 
The very good YoYonisation! 6247 
….above and below two very clean channel. 6246 
The DHT and esoteric imaging deformation. 6233 
DHT, YO186, or??? 6233 
I had no idea how ‘different’ it is. 6180 
The Kazitsky Manufacturing and YO104, some history. 6179 
"Absolution and Eternal Refuge." 6176 
Sofia Electric Type 45 Mesh 6166 
The true association of YO186's Sounds. 5928 
All the Best from Burgundy 5928 
Cheesy tubes 5927 
Me and my DHT references… 5818 
Y0-186 in winter. 5721 
Y0-186 sounds like… 5720 
Rethinking the YO186 tube. 5689 
In My Dreams 5689 
Grunt from type 45? A ridicules comment. 5689 
Blame? 5688 
When good is not good enough. 5688 
45s, Drivers, and 45s 5688 
Hm, that was so simple after all! 5687 
How the YO186 was used. 5271 
What is old is new? 5270 
YO186 vs. type 45. 5269 
The YO186 is gone.... :-( 4818 
That sucks. 4818 
YO186 4816 
Hm, what the hell is going on? 4816 
I do not think that anybody but me would like YO186 4816 
A hallucination? 4813 
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