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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

Audio Knowledge Tree ™
Romy's "Audio Rules"
Audiophile Satire
Melquiades SET Amplifier
Macondo Acoustic System
End of Life Phonostage
Audio Demoronizator AD-1
My Exotic Audio Leftovers
My Playback System
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» JBL 2446
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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Single-stage Melquiades vs. DHT amps 6532 
One-stage Milq++ and the DHT's alleged tone 6531 
DHT Milq? 6531 
The DHT journey. 6531 
DHT tone 6531 
Well, why not? 6530 
Holding the Fort 6530 
My DHT experiment: Preface 6530 
Input tube and DC heaters 6529 
Reimyo Pat 777 6529 
My DHT experiment: Observations 6525 
DHT or 300B? 6525 
300B 6525 
Talking, perception and the grounds for objectively 6525 
The Wine Via the Wine Glass 6524 
Hence the confusion 6524 
My DHT experiment: some conclusions. 6524 
Reality Reconstruction is not a functionality. 6524 
My experience with DHTs 6524 
Pigmented coloration? 6524 
Dht-dht 6524 
Dynamic viscosity? 6524 
The Pallette preamp... 6524 
If one DHT is good, two must be better? 6524 
"soul" of tubes 6524 
There is a difference... 6524 
Vibration injection? 6524 
Homework # 4334 6524 
The 01A-71A-10Y-45 chain 6524 
Old valves have more soul! 6523 
Was it soul or soil? 6523 
It was just a heading 6523 
Adjustable color: TIMBRE LOCK? 6523 
Neutral or neutral/uncoloured? 6523 
..are lacking in power, dynamics and bandwidth. 6523 
Timbre-Lock. Not quite ready for prime time. 6523 
Injection of analog dither? 6523 
Subliminal signal 6523 
The idea of analog randomanization. 6523 
Okay, what Avicena Power Generator 6523 
I hope you will be hearing about it. 6522 
Avicenna = Arabian 6522 
Persian, not Arab 6522 
The “second solution” - a major disappointment 6522 
More words to describe "sux" please 6522 
Revolution 6522 
The non-melodramatic DHT? 6522 
One-stage DHTs 6521 
One other thing 6521 
One stage 6521 
Brewing, thinking and heating 6521 
Physical characteristics of electronic devices 6521 
I see the things differently. 6521 
Don't waste time being "creative" 6521 
The audiophile attitude 6521 
The where and why of design choices 6521 
Blah blah blah 6521 
Laconic Clarity vs. Comfort vs. Nostalgia 6521 
Do I need to be hissing? 6521 
...associated with lack of neutrality and colorati... 6521 
John Broskie's Partial feedback amplifier 6521 
Randomness vs. freedom and the Homework # 4334 6520 
What is randomness? 6520 
Those least three possibilities… 6520 
Randomness and Music's Prerogative 6520 
It works, … sort of. The revolution is canceled. 6520 
Thorsten Loesch’s article about DHT SETs 6518 
A Beautiful Mind 6517 
Some summary and conclusions from the first phase. 6515 
Second phase: revising requirement for my DHT objectives. 6500 
Tubes for your DHT amp 6500 
Abandoning Milq? 6500 
Will see how it goes.... 6500 
Single-stage Milq vs. Sun Audio VT-2A3 6498 
Topology and 2A3? 6498 
6SN7-2A3 amps? 6498 
Type Casting 6498 
Sun Audio SV-2A3 6498 
6sn7-2a3 6498 
Topology vs parts 6498 
For a DHT amp, you are listening to the power supply 6498 
The vintage tubes syndrome. 6498 
Parts Frenzy 6498 
Too many new sounds 6498 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6497 
New tubes 6496 
Milq bias vs. batery bias 6496 
The batteries are a tricky thing. 6496 
Swimming the ocean at night? 6496 
New 2A3 6496 
To kill of do not kill the capacitor. 6495 
The JJ Electronic amp. 6494 
JJ 2A3 and amp 6494 
Czech tubes 6492 
Single plated vs Double plated? 6492 
Mono plate 2A3 tubes 6492 
I suggested once VT52 tube 6491 
The 800R vs. 1800R vs. 5500R 6491 
YO-186 as the output tube. 6488 
Here she is. 6487 
Some talks about the new production tubes 6483 
New 2A3 tubes 6483 
Some thoughts about one-IHT vs. multiple-DHT 6483 
The Sun Audio with 6E5P 6482 
Multistage DHT circuits 6481 
Wrong tube or wrong topology – here is the question. 6480 
Emission Labs 2A3 6480 
Some comment and questions about then 2A3 talks. 6480 
Which Chinese 2A3? 6480 
OK, for a first time I like the San Audio Kit. 6480 
The YO186 Strip Show 6480 
More on the 2A3 comparisons 6479 
It will be interesting…. 6479 
OPT impedence 6479 
More about the Plate Loading 6479 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6474 
2A3 data 6474 
The New 2A3 tubes 6474 
How many stages I need for 110dB sensitivity, smal... 6474 
How many stages and why... and who makes that 45 o... 6473 
Everything about everything. 6473 
Some very good points... and... possibly more logi... 6473 
Options, options, options.... 6473 
I think we agree overall 6473 
An IDHT with more gain? 6472 
You don't ask for much now, eh? 6472 
2A3 tube impressions 6467 
Interesting analogy 6467 
NOS 2A3 tubes versus new tubes 6467 
Hmmm, let me try this one again... 6467 
Sylvania 2A3 identification 6467 
A picture is worth a thousand micromhos? 6467 
I have more interest in the period tubes 6467 
Why NOS tubes? 6466 
The Holly Ignorance 6466 
Tube tasting 6466 
The cathodes’ flatulence? 6466 
Make mine thoriated please 6466 
Any Germans out there? 6466 
6E5P VS 6E6P 6466 
Vibrations? What do you with them? 6466 
Vibration in tubes and sounds 6466 
UX4 vs UX4ruskie 6465 
Ringing the tubes? I do not know how about that. 6465 
Tube sound and vibration 6465 
The thoughts collection about YO186? 6459 
The lights look green for the YO tube 6458 
"Melquiades" with YO-186. Something like... 6458 
My version of RE-604 and PX4 6457 
The YO186 tube sockets. 6457 
B4/B5 British made 6456 
The YO186’s sockets and prices 6456 
DHT 2A3 amplifier rectification 6455 
My attitude toward tube rectification. 6455 
Tu-be or not Tu-be, seems Tu-be the question. 6454 
It looks like DHT DSET is shaping up. 6453 
The Sylvania 2A3 NOS report 6450 
The Citizen Kane syndrome. 6450 
Sylvania 2A3 in a World without Color 6449 
Are NOS and new manufacture comparing oranges to o... 6449 
That all is incorrect in a way…. 6449 
NOS vs new 2A3 tubes 6449 
The identical operation environment? 6449 
Preferred 2A3 operating point 6449 
The sound of the 2A3 however? 6449 
Circuit modification for 2A3 optimization 6448 
How to get max power from 2A3 6448 
2A3 voltages, loads and realized output power 6448 
Optimal operation of 2A3: an experiment 6448 
Tubes, Whole Circuits, Expectations and Sound 6448 
Gain is not power. 6448 
2A3 amplifier modification & Optimization 6448 
Specialized DSET approach 6448 
6C33/2A3 DSET? 6448 
SET usable power and making the most of it 6448 
The 2A3 loading 6448 
DSET solution for EdgarHorn? 6448 
Optimizing the 2A3 6448 
How much to DSET a DSET 6448 
DSET for Titan 6448 
The Best of All Worlds 6448 
Multiamp setup 6447 
Optimizing the (NOS) 2A3... "KM-style"? 6447 
There are many opportunities, it all depends what ... 6447 
Modifying amplifer to optimize NOS 2A3 performance 6447 
Conceptualizing Melquiades DSET is done 6441 
2A3 and 400V supply 6441 
Pudding and the chicken wires 6440 
Another shot at numbers 6440 
How to cook the "uninformed" anode. 6440 
Okay, so this might work.... 6440 
The DHT Milq DSET, the prebuilt draft. 6440 
Looks good, but.... 6439 
2A3 with slightly lover filament voltage? 6439 
Less is more... usually. 6439 
Where to burn gain? how? and where to get beter st... 6438 
Stepping Out 6438 
Said to be good, but 6438 
Gain to lose 6438 
Why nothing is simple with this damn amp! 6438 
Another idea for losing gain 6438 
What's best 6438 
Options, options... 6438 
Actually, it is not so bad. 6438 
Other compromises... 6437 
Cathode vs. fixed with DHT 6436 
Is it glowing yet? 6416 
It is comming.... 6416 
The new MF channel. 6410 
I started to work on the Milq’s DHT Island. 6409 
Innerstage loading vs. OPT loading. 6401 
The intestage loading talk. 6398 
My playback feels like it is broken. 6393 
1 in 50? 6393 
Yes, it was after PP2000 6393 
Die Walküre soldering. 6392 
The post Die Walküre soldering 6391 
Another amp arond YO186 6390 
Gain? 6390 
The Unexpected problem with DHT Milq. 6390 
Simple is good 6389 
Ok, I am moving forward. 6389 
The Milq DSET is up. 6388 
My DH DSET – 2 days later. 6386 
Here is more data to reconcile. 6386 
Hm, that is interesting and unpleasant so far. 6385 
Ok, what do I want? 6385 
Let Go of Some Conceptual "Restrictions"? 6385 
The Milq DH DSET, the further thoughts in progress. 6385 
Crunching Numbers; Shaping Sound 6385 
How about the tweeter? 6384 
Tweeter Efficiency? 6384 
Safe and Sound 6384 
More mystery with tweeter but still on the subject. 6384 
Some clarifications. 6384 
How about that?!!! 6384 
Further considerations: DC-coupling. 6382 
Head Room 6382 
To kill the mandatory 13dB 6381 
DC coupling and killing 13db and driving 6e5p miller and.... 6381 
I do not think that it might be damaging… 6381 
Again with the PS 6381 
AKA J.C. Morrison’s amp but… 6379 
Parallel Universe 6379 
Melquiades HD MF DSET, Draft13. 6377 
Why I let other people build them... 6377 
Ok, it's going to right direction. 6377 
Ok, it looks already very close…. 6376 
The Loftinish-Whitish, well sort of…. 6373 
MF: the pre-final version. 6373 
Loftin-White? 6373 
Did anyone hear the PX4 amplifiers? 6373 
What Could use Improving at This Point? 6373 
The Milq’s MF front-end is done 6369 
Why I Let Other People Build Them, II 6369 
Define really quiet 6368 
Another variable of sound 6368 
Backlash? 6368 
Alternative filament supplies 6368 
I kind of faced a problem with AC 6368 
Going down the DC path 6367 
It is not about the “whole sound” but about “molec... 6367 
Molecular sound 6367 
AC-DC heater supply 6367 
The Tentlabs are $10 worth PS. 6367 
The unexpected resolution of AC vs. DC quandary. 6367 
The devil is less scared than it depicted. 6367 
Hiss or Hum 6367 
AC transformers 6367 
I have seen the Promised Land 6366 
OK, the choke noise is not a problem anymore 6366 
Ok, it is working fine but… 6365 
Divide and Conquer 6365 
The design phase is over. 6364 
The unexpected insanity! 6363 
Loading 6363 
Looking for inspiring ideas for 'universal' loadin... 6363 
A filaments Sherlock Holmes wanted. 6363 
Going the Distance 6363 
Read the f*** manual! 6363 
Agreed. 6363 
I agree 6363 
The filament transformer 6363 
Center-tap and options 6363 
Something like this…. 6363 
Avoiding "Dial-an-Amp" 6363 
The foreplay is going on. 6363 
Split balance 6362 
Further thoughts about my DH filaments 6362 
The Shuguang 2A3 tubes. 6362 
SHuguang 6362 
Going through…. 6361 
The 2.5V noise vs. 4V noise. 6360 
More about Shuguang 2A3C 6360 
Hum vs voltage 6360 
Meow about the tubes… 6360 
To Be a Content Cat 6360 
Completed! 6357 
Tradition 6357 
Absolutely beautiful! 6357 
The 'film' caps in PS 6356 
Science or religion 6356 
Mass Extinction 6356 
Electrolytics, technology and time 6356 
No more questions about PS capacitors. 6356 
Capacitor choices 6356 
Good time. Welcome back. Thanks God. 6355 
The minor day of Quartets. 6355 
Them's the Breaks 6355 
Eventually! 6354 
So Soon? 6354 
DHT MF channel and 6-ch amp: first conclusions 6354 
All Abuzz about Nothing 6353 
The wire for DC-coupling 6353 
The Dirt on DIY Backlash 6353 
DSET vs. the “better tubes”. 6353 
How to test the DH tubes properly? 6352 
Pairing up tubes for SE use 6351 
The DHT live reserve 6350 
Some interestng models 6350 
Eaten alive. 6350 
The tubey déjà vu? 6349 
The new concept of my output transformer. 6345 
The 4V takes a lead. 6341 
Listening the DH and the striped down version of M... 6338 
I kind of slowly learn what I need. 6338 
More HF from a transformer and DHT? 6336 
Since You Don't Need the Gain 6335 
Exiting the design mode? 6335 
Bye-bye the input divider on MF! 6335 
A few steps back and a gaint leap ahead. 6331 
Single-stage vs. DHT amp. 6330 
Setting up the new Playback 6329 
And the winner is… so far 6326 
If you like type 45... 6326 
Type 45... they're not all the same 6326 
Favorite Flavor? 6326 
The 45 times Meow... 6326 
The problem that I see is… 6326 
Running the 45 6326 
The 10Y...and bye bye Newton 6325 
The commentaries about everything. 6325 
Driver tube and biasing 6325 
DHT drivers 6325 
The ideas are worth trying? 6325 
A question about the polishing the things…. 6321 
The Particular Tube, I'm afraid... 6321 
Driving the 45... cathode first 6320 
ST or Globe; old or new... 6320 
Whatever sticks to the wall as an operation point ... 6320 
The attenuating crap in secondary. 6320 
Operating points and cathode current 6320 
The Burgeoning Opportunities! 6320 
Actually it is not so simple. 6320 
Resistors at the front 6319 
A minor alternation of a position 6319 
The era of enlightenment. 6316 
The devil is in the details.... 6316 
Constructing Sound 6316 
A new view on the DHT evaluation. 6315 
The “strange” YO186 6306 
The dead guy’s lessons. 6261 
2S4S and 2A3 6252 
Ho to use the YO186 6245 
YO 186 fundamental flavor 6245 
The YO-YO tube and "fundamentals" channel 6245 
The live without the YO186, again.... 6243 
Not anymore! 6232 
The very good YoYonisation! 6231 
….above and below two very clean channel. 6230 
The DHT and esoteric imaging deformation. 6217 
DHT, YO186, or??? 6217 
I had no idea how ‘different’ it is. 6164 
The Kazitsky Manufacturing and YO104, some history. 6163 
"Absolution and Eternal Refuge." 6160 
Sofia Electric Type 45 Mesh 6150 
The true association of YO186's Sounds. 5912 
All the Best from Burgundy 5912 
Cheesy tubes 5911 
Me and my DHT references… 5802 
Y0-186 in winter. 5705 
Y0-186 sounds like… 5704 
Rethinking the YO186 tube. 5673 
In My Dreams 5673 
Grunt from type 45? A ridicules comment. 5673 
Blame? 5672 
When good is not good enough. 5672 
45s, Drivers, and 45s 5672 
Hm, that was so simple after all! 5671 
How the YO186 was used. 5255 
What is old is new? 5254 
YO186 vs. type 45. 5253 
The YO186 is gone.... :-( 4802 
That sucks. 4802 
YO186 4800 
Hm, what the hell is going on? 4800 
I do not think that anybody but me would like YO186 4800 
A hallucination? 4797 
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