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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 6527 
One-stage Milq++ and the DHT's alleged tone 6526 
DHT Milq? 6526 
The DHT journey. 6526 
DHT tone 6526 
Well, why not? 6525 
Holding the Fort 6525 
My DHT experiment: Preface 6525 
Input tube and DC heaters 6524 
Reimyo Pat 777 6524 
My DHT experiment: Observations 6520 
DHT or 300B? 6520 
300B 6520 
Talking, perception and the grounds for objectively 6520 
The Wine Via the Wine Glass 6519 
Hence the confusion 6519 
My DHT experiment: some conclusions. 6519 
Reality Reconstruction is not a functionality. 6519 
My experience with DHTs 6519 
Pigmented coloration? 6519 
Dht-dht 6519 
Dynamic viscosity? 6519 
The Pallette preamp... 6519 
If one DHT is good, two must be better? 6519 
"soul" of tubes 6519 
There is a difference... 6519 
Vibration injection? 6519 
Homework # 4334 6519 
The 01A-71A-10Y-45 chain 6519 
Old valves have more soul! 6518 
Was it soul or soil? 6518 
It was just a heading 6518 
Adjustable color: TIMBRE LOCK? 6518 
Neutral or neutral/uncoloured? 6518 
..are lacking in power, dynamics and bandwidth. 6518 
Timbre-Lock. Not quite ready for prime time. 6518 
Injection of analog dither? 6518 
Subliminal signal 6518 
The idea of analog randomanization. 6518 
Okay, what Avicena Power Generator 6518 
I hope you will be hearing about it. 6517 
Avicenna = Arabian 6517 
Persian, not Arab 6517 
The “second solution” - a major disappointment 6517 
More words to describe "sux" please 6517 
Revolution 6517 
The non-melodramatic DHT? 6517 
One-stage DHTs 6516 
One other thing 6516 
One stage 6516 
Brewing, thinking and heating 6516 
Physical characteristics of electronic devices 6516 
I see the things differently. 6516 
Don't waste time being "creative" 6516 
The audiophile attitude 6516 
The where and why of design choices 6516 
Blah blah blah 6516 
Laconic Clarity vs. Comfort vs. Nostalgia 6516 
Do I need to be hissing? 6516 
...associated with lack of neutrality and colorati... 6516 
John Broskie's Partial feedback amplifier 6516 
Randomness vs. freedom and the Homework # 4334 6515 
What is randomness? 6515 
Those least three possibilities… 6515 
Randomness and Music's Prerogative 6515 
It works, … sort of. The revolution is canceled. 6515 
Thorsten Loesch’s article about DHT SETs 6513 
A Beautiful Mind 6512 
Some summary and conclusions from the first phase. 6510 
Second phase: revising requirement for my DHT objectives. 6495 
Tubes for your DHT amp 6495 
Abandoning Milq? 6495 
Will see how it goes.... 6495 
Single-stage Milq vs. Sun Audio VT-2A3 6493 
Topology and 2A3? 6493 
6SN7-2A3 amps? 6493 
Type Casting 6493 
Sun Audio SV-2A3 6493 
6sn7-2a3 6493 
Topology vs parts 6493 
For a DHT amp, you are listening to the power supply 6493 
The vintage tubes syndrome. 6493 
Parts Frenzy 6493 
Too many new sounds 6493 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6492 
New tubes 6491 
Milq bias vs. batery bias 6491 
The batteries are a tricky thing. 6491 
Swimming the ocean at night? 6491 
New 2A3 6491 
To kill of do not kill the capacitor. 6490 
The JJ Electronic amp. 6489 
JJ 2A3 and amp 6489 
Czech tubes 6487 
Single plated vs Double plated? 6487 
Mono plate 2A3 tubes 6487 
I suggested once VT52 tube 6486 
The 800R vs. 1800R vs. 5500R 6486 
YO-186 as the output tube. 6483 
Here she is. 6482 
Some talks about the new production tubes 6478 
New 2A3 tubes 6478 
Some thoughts about one-IHT vs. multiple-DHT 6478 
The Sun Audio with 6E5P 6477 
Multistage DHT circuits 6476 
Wrong tube or wrong topology – here is the question. 6475 
Emission Labs 2A3 6475 
Some comment and questions about then 2A3 talks. 6475 
Which Chinese 2A3? 6475 
OK, for a first time I like the San Audio Kit. 6475 
The YO186 Strip Show 6475 
More on the 2A3 comparisons 6474 
It will be interesting…. 6474 
OPT impedence 6474 
More about the Plate Loading 6474 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6469 
2A3 data 6469 
The New 2A3 tubes 6469 
How many stages I need for 110dB sensitivity, smal... 6469 
How many stages and why... and who makes that 45 o... 6468 
Everything about everything. 6468 
Some very good points... and... possibly more logi... 6468 
Options, options, options.... 6468 
I think we agree overall 6468 
An IDHT with more gain? 6467 
You don't ask for much now, eh? 6467 
2A3 tube impressions 6462 
Interesting analogy 6462 
NOS 2A3 tubes versus new tubes 6462 
Hmmm, let me try this one again... 6462 
Sylvania 2A3 identification 6462 
A picture is worth a thousand micromhos? 6462 
I have more interest in the period tubes 6462 
Why NOS tubes? 6461 
The Holly Ignorance 6461 
Tube tasting 6461 
The cathodes’ flatulence? 6461 
Make mine thoriated please 6461 
Any Germans out there? 6461 
6E5P VS 6E6P 6461 
Vibrations? What do you with them? 6461 
Vibration in tubes and sounds 6461 
UX4 vs UX4ruskie 6460 
Ringing the tubes? I do not know how about that. 6460 
Tube sound and vibration 6460 
The thoughts collection about YO186? 6454 
The lights look green for the YO tube 6453 
"Melquiades" with YO-186. Something like... 6453 
My version of RE-604 and PX4 6452 
The YO186 tube sockets. 6452 
B4/B5 British made 6451 
The YO186’s sockets and prices 6451 
DHT 2A3 amplifier rectification 6450 
My attitude toward tube rectification. 6450 
Tu-be or not Tu-be, seems Tu-be the question. 6449 
It looks like DHT DSET is shaping up. 6448 
The Sylvania 2A3 NOS report 6445 
The Citizen Kane syndrome. 6445 
Sylvania 2A3 in a World without Color 6444 
Are NOS and new manufacture comparing oranges to o... 6444 
That all is incorrect in a way…. 6444 
NOS vs new 2A3 tubes 6444 
The identical operation environment? 6444 
Preferred 2A3 operating point 6444 
The sound of the 2A3 however? 6444 
Circuit modification for 2A3 optimization 6443 
How to get max power from 2A3 6443 
2A3 voltages, loads and realized output power 6443 
Optimal operation of 2A3: an experiment 6443 
Tubes, Whole Circuits, Expectations and Sound 6443 
Gain is not power. 6443 
2A3 amplifier modification & Optimization 6443 
Specialized DSET approach 6443 
6C33/2A3 DSET? 6443 
SET usable power and making the most of it 6443 
The 2A3 loading 6443 
DSET solution for EdgarHorn? 6443 
Optimizing the 2A3 6443 
How much to DSET a DSET 6443 
DSET for Titan 6443 
The Best of All Worlds 6443 
Multiamp setup 6442 
Optimizing the (NOS) 2A3... "KM-style"? 6442 
There are many opportunities, it all depends what ... 6442 
Modifying amplifer to optimize NOS 2A3 performance 6442 
Conceptualizing Melquiades DSET is done 6436 
2A3 and 400V supply 6436 
Pudding and the chicken wires 6435 
Another shot at numbers 6435 
How to cook the "uninformed" anode. 6435 
Okay, so this might work.... 6435 
The DHT Milq DSET, the prebuilt draft. 6435 
Looks good, but.... 6434 
2A3 with slightly lover filament voltage? 6434 
Less is more... usually. 6434 
Where to burn gain? how? and where to get beter st... 6433 
Stepping Out 6433 
Said to be good, but 6433 
Gain to lose 6433 
Why nothing is simple with this damn amp! 6433 
Another idea for losing gain 6433 
What's best 6433 
Options, options... 6433 
Actually, it is not so bad. 6433 
Other compromises... 6432 
Cathode vs. fixed with DHT 6431 
Is it glowing yet? 6411 
It is comming.... 6411 
The new MF channel. 6405 
I started to work on the Milq’s DHT Island. 6404 
Innerstage loading vs. OPT loading. 6396 
The intestage loading talk. 6393 
My playback feels like it is broken. 6388 
1 in 50? 6388 
Yes, it was after PP2000 6388 
Die Walküre soldering. 6387 
The post Die Walküre soldering 6386 
Another amp arond YO186 6385 
Gain? 6385 
The Unexpected problem with DHT Milq. 6385 
Simple is good 6384 
Ok, I am moving forward. 6384 
The Milq DSET is up. 6383 
My DH DSET – 2 days later. 6381 
Here is more data to reconcile. 6381 
Hm, that is interesting and unpleasant so far. 6380 
Ok, what do I want? 6380 
Let Go of Some Conceptual "Restrictions"? 6380 
The Milq DH DSET, the further thoughts in progress. 6380 
Crunching Numbers; Shaping Sound 6380 
How about the tweeter? 6379 
Tweeter Efficiency? 6379 
Safe and Sound 6379 
More mystery with tweeter but still on the subject. 6379 
Some clarifications. 6379 
How about that?!!! 6379 
Further considerations: DC-coupling. 6377 
Head Room 6377 
To kill the mandatory 13dB 6376 
DC coupling and killing 13db and driving 6e5p miller and.... 6376 
I do not think that it might be damaging… 6376 
Again with the PS 6376 
AKA J.C. Morrison’s amp but… 6374 
Parallel Universe 6374 
Melquiades HD MF DSET, Draft13. 6372 
Why I let other people build them... 6372 
Ok, it's going to right direction. 6372 
Ok, it looks already very close…. 6371 
The Loftinish-Whitish, well sort of…. 6368 
MF: the pre-final version. 6368 
Loftin-White? 6368 
Did anyone hear the PX4 amplifiers? 6368 
What Could use Improving at This Point? 6368 
The Milq’s MF front-end is done 6364 
Why I Let Other People Build Them, II 6364 
Define really quiet 6363 
Another variable of sound 6363 
Backlash? 6363 
Alternative filament supplies 6363 
I kind of faced a problem with AC 6363 
Going down the DC path 6362 
It is not about the “whole sound” but about “molec... 6362 
Molecular sound 6362 
AC-DC heater supply 6362 
The Tentlabs are $10 worth PS. 6362 
The unexpected resolution of AC vs. DC quandary. 6362 
The devil is less scared than it depicted. 6362 
Hiss or Hum 6362 
AC transformers 6362 
I have seen the Promised Land 6361 
OK, the choke noise is not a problem anymore 6361 
Ok, it is working fine but… 6360 
Divide and Conquer 6360 
The design phase is over. 6359 
The unexpected insanity! 6358 
Loading 6358 
Looking for inspiring ideas for 'universal' loadin... 6358 
A filaments Sherlock Holmes wanted. 6358 
Going the Distance 6358 
Read the f*** manual! 6358 
Agreed. 6358 
I agree 6358 
The filament transformer 6358 
Center-tap and options 6358 
Something like this…. 6358 
Avoiding "Dial-an-Amp" 6358 
The foreplay is going on. 6358 
Split balance 6357 
Further thoughts about my DH filaments 6357 
The Shuguang 2A3 tubes. 6357 
SHuguang 6357 
Going through…. 6356 
The 2.5V noise vs. 4V noise. 6355 
More about Shuguang 2A3C 6355 
Hum vs voltage 6355 
Meow about the tubes… 6355 
To Be a Content Cat 6355 
Completed! 6352 
Tradition 6352 
Absolutely beautiful! 6352 
The 'film' caps in PS 6351 
Science or religion 6351 
Mass Extinction 6351 
Electrolytics, technology and time 6351 
No more questions about PS capacitors. 6351 
Capacitor choices 6351 
Good time. Welcome back. Thanks God. 6350 
The minor day of Quartets. 6350 
Them's the Breaks 6350 
Eventually! 6349 
So Soon? 6349 
DHT MF channel and 6-ch amp: first conclusions 6349 
All Abuzz about Nothing 6348 
The wire for DC-coupling 6348 
The Dirt on DIY Backlash 6348 
DSET vs. the “better tubes”. 6348 
How to test the DH tubes properly? 6347 
Pairing up tubes for SE use 6346 
The DHT live reserve 6345 
Some interestng models 6345 
Eaten alive. 6345 
The tubey déjà vu? 6344 
The new concept of my output transformer. 6340 
The 4V takes a lead. 6336 
Listening the DH and the striped down version of M... 6333 
I kind of slowly learn what I need. 6333 
More HF from a transformer and DHT? 6331 
Since You Don't Need the Gain 6330 
Exiting the design mode? 6330 
Bye-bye the input divider on MF! 6330 
A few steps back and a gaint leap ahead. 6326 
Single-stage vs. DHT amp. 6325 
Setting up the new Playback 6324 
And the winner is… so far 6321 
If you like type 45... 6321 
Type 45... they're not all the same 6321 
Favorite Flavor? 6321 
The 45 times Meow... 6321 
The problem that I see is… 6321 
Running the 45 6321 
The 10Y...and bye bye Newton 6320 
The commentaries about everything. 6320 
Driver tube and biasing 6320 
DHT drivers 6320 
The ideas are worth trying? 6320 
A question about the polishing the things…. 6316 
The Particular Tube, I'm afraid... 6316 
Driving the 45... cathode first 6315 
ST or Globe; old or new... 6315 
Whatever sticks to the wall as an operation point ... 6315 
The attenuating crap in secondary. 6315 
Operating points and cathode current 6315 
The Burgeoning Opportunities! 6315 
Actually it is not so simple. 6315 
Resistors at the front 6314 
A minor alternation of a position 6314 
The era of enlightenment. 6311 
The devil is in the details.... 6311 
Constructing Sound 6311 
A new view on the DHT evaluation. 6310 
The “strange” YO186 6301 
The dead guy’s lessons. 6256 
2S4S and 2A3 6247 
Ho to use the YO186 6240 
YO 186 fundamental flavor 6240 
The YO-YO tube and "fundamentals" channel 6240 
The live without the YO186, again.... 6238 
Not anymore! 6227 
The very good YoYonisation! 6226 
….above and below two very clean channel. 6225 
The DHT and esoteric imaging deformation. 6212 
DHT, YO186, or??? 6212 
I had no idea how ‘different’ it is. 6159 
The Kazitsky Manufacturing and YO104, some history. 6158 
"Absolution and Eternal Refuge." 6155 
Sofia Electric Type 45 Mesh 6145 
The true association of YO186's Sounds. 5907 
All the Best from Burgundy 5907 
Cheesy tubes 5906 
Me and my DHT references… 5797 
Y0-186 in winter. 5700 
Y0-186 sounds like… 5699 
Rethinking the YO186 tube. 5668 
In My Dreams 5668 
Grunt from type 45? A ridicules comment. 5668 
Blame? 5667 
When good is not good enough. 5667 
45s, Drivers, and 45s 5667 
Hm, that was so simple after all! 5666 
How the YO186 was used. 5250 
What is old is new? 5249 
YO186 vs. type 45. 5248 
The YO186 is gone.... :-( 4797 
That sucks. 4797 
YO186 4795 
Hm, what the hell is going on? 4795 
I do not think that anybody but me would like YO186 4795 
A hallucination? 4792 
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