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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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» Single-stage Melquiades »
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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 6487 
One-stage Milq++ and the DHT's alleged tone 6486 
DHT Milq? 6486 
The DHT journey. 6486 
DHT tone 6486 
Well, why not? 6485 
Holding the Fort 6485 
My DHT experiment: Preface 6485 
Input tube and DC heaters 6484 
Reimyo Pat 777 6484 
My DHT experiment: Observations 6480 
DHT or 300B? 6480 
300B 6480 
Talking, perception and the grounds for objectively 6480 
The Wine Via the Wine Glass 6479 
Hence the confusion 6479 
My DHT experiment: some conclusions. 6479 
Reality Reconstruction is not a functionality. 6479 
My experience with DHTs 6479 
Pigmented coloration? 6479 
Dht-dht 6479 
Dynamic viscosity? 6479 
The Pallette preamp... 6479 
If one DHT is good, two must be better? 6479 
"soul" of tubes 6479 
There is a difference... 6479 
Vibration injection? 6479 
Homework # 4334 6479 
The 01A-71A-10Y-45 chain 6479 
Old valves have more soul! 6478 
Was it soul or soil? 6478 
It was just a heading 6478 
Adjustable color: TIMBRE LOCK? 6478 
Neutral or neutral/uncoloured? 6478 
..are lacking in power, dynamics and bandwidth. 6478 
Timbre-Lock. Not quite ready for prime time. 6478 
Injection of analog dither? 6478 
Subliminal signal 6478 
The idea of analog randomanization. 6478 
Okay, what Avicena Power Generator 6478 
I hope you will be hearing about it. 6477 
Avicenna = Arabian 6477 
Persian, not Arab 6477 
The “second solution” - a major disappointment 6477 
More words to describe "sux" please 6477 
Revolution 6477 
The non-melodramatic DHT? 6477 
One-stage DHTs 6476 
One other thing 6476 
One stage 6476 
Brewing, thinking and heating 6476 
Physical characteristics of electronic devices 6476 
I see the things differently. 6476 
Don't waste time being "creative" 6476 
The audiophile attitude 6476 
The where and why of design choices 6476 
Blah blah blah 6476 
Laconic Clarity vs. Comfort vs. Nostalgia 6476 
Do I need to be hissing? 6476 
...associated with lack of neutrality and colorati... 6476 
John Broskie's Partial feedback amplifier 6476 
Randomness vs. freedom and the Homework # 4334 6475 
What is randomness? 6475 
Those least three possibilities… 6475 
Randomness and Music's Prerogative 6475 
It works, … sort of. The revolution is canceled. 6475 
Thorsten Loesch’s article about DHT SETs 6473 
A Beautiful Mind 6472 
Some summary and conclusions from the first phase. 6470 
Second phase: revising requirement for my DHT objectives. 6455 
Tubes for your DHT amp 6455 
Abandoning Milq? 6455 
Will see how it goes.... 6455 
Single-stage Milq vs. Sun Audio VT-2A3 6453 
Topology and 2A3? 6453 
6SN7-2A3 amps? 6453 
Type Casting 6453 
Sun Audio SV-2A3 6453 
6sn7-2a3 6453 
Topology vs parts 6453 
For a DHT amp, you are listening to the power supply 6453 
The vintage tubes syndrome. 6453 
Parts Frenzy 6453 
Too many new sounds 6453 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6452 
New tubes 6451 
Milq bias vs. batery bias 6451 
The batteries are a tricky thing. 6451 
Swimming the ocean at night? 6451 
New 2A3 6451 
To kill of do not kill the capacitor. 6450 
The JJ Electronic amp. 6449 
JJ 2A3 and amp 6449 
Czech tubes 6447 
Single plated vs Double plated? 6447 
Mono plate 2A3 tubes 6447 
I suggested once VT52 tube 6446 
The 800R vs. 1800R vs. 5500R 6446 
YO-186 as the output tube. 6443 
Here she is. 6442 
Some talks about the new production tubes 6438 
New 2A3 tubes 6438 
Some thoughts about one-IHT vs. multiple-DHT 6438 
The Sun Audio with 6E5P 6437 
Multistage DHT circuits 6436 
Wrong tube or wrong topology – here is the question. 6435 
Emission Labs 2A3 6435 
Some comment and questions about then 2A3 talks. 6435 
Which Chinese 2A3? 6435 
OK, for a first time I like the San Audio Kit. 6435 
The YO186 Strip Show 6435 
More on the 2A3 comparisons 6434 
It will be interesting…. 6434 
OPT impedence 6434 
More about the Plate Loading 6434 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6429 
2A3 data 6429 
The New 2A3 tubes 6429 
How many stages I need for 110dB sensitivity, smal... 6429 
How many stages and why... and who makes that 45 o... 6428 
Everything about everything. 6428 
Some very good points... and... possibly more logi... 6428 
Options, options, options.... 6428 
I think we agree overall 6428 
An IDHT with more gain? 6427 
You don't ask for much now, eh? 6427 
2A3 tube impressions 6422 
Interesting analogy 6422 
NOS 2A3 tubes versus new tubes 6422 
Hmmm, let me try this one again... 6422 
Sylvania 2A3 identification 6422 
A picture is worth a thousand micromhos? 6422 
I have more interest in the period tubes 6422 
Why NOS tubes? 6421 
The Holly Ignorance 6421 
Tube tasting 6421 
The cathodes’ flatulence? 6421 
Make mine thoriated please 6421 
Any Germans out there? 6421 
6E5P VS 6E6P 6421 
Vibrations? What do you with them? 6421 
Vibration in tubes and sounds 6421 
UX4 vs UX4ruskie 6420 
Ringing the tubes? I do not know how about that. 6420 
Tube sound and vibration 6420 
The thoughts collection about YO186? 6414 
The lights look green for the YO tube 6413 
"Melquiades" with YO-186. Something like... 6413 
My version of RE-604 and PX4 6412 
The YO186 tube sockets. 6412 
B4/B5 British made 6411 
The YO186’s sockets and prices 6411 
DHT 2A3 amplifier rectification 6410 
My attitude toward tube rectification. 6410 
Tu-be or not Tu-be, seems Tu-be the question. 6409 
It looks like DHT DSET is shaping up. 6408 
The Sylvania 2A3 NOS report 6405 
The Citizen Kane syndrome. 6405 
Sylvania 2A3 in a World without Color 6404 
Are NOS and new manufacture comparing oranges to o... 6404 
That all is incorrect in a way…. 6404 
NOS vs new 2A3 tubes 6404 
The identical operation environment? 6404 
Preferred 2A3 operating point 6404 
The sound of the 2A3 however? 6404 
Circuit modification for 2A3 optimization 6403 
How to get max power from 2A3 6403 
2A3 voltages, loads and realized output power 6403 
Optimal operation of 2A3: an experiment 6403 
Tubes, Whole Circuits, Expectations and Sound 6403 
Gain is not power. 6403 
2A3 amplifier modification & Optimization 6403 
Specialized DSET approach 6403 
6C33/2A3 DSET? 6403 
SET usable power and making the most of it 6403 
The 2A3 loading 6403 
DSET solution for EdgarHorn? 6403 
Optimizing the 2A3 6403 
How much to DSET a DSET 6403 
DSET for Titan 6403 
The Best of All Worlds 6403 
Multiamp setup 6402 
Optimizing the (NOS) 2A3... "KM-style"? 6402 
There are many opportunities, it all depends what ... 6402 
Modifying amplifer to optimize NOS 2A3 performance 6402 
Conceptualizing Melquiades DSET is done 6396 
2A3 and 400V supply 6396 
Pudding and the chicken wires 6395 
Another shot at numbers 6395 
How to cook the "uninformed" anode. 6395 
Okay, so this might work.... 6395 
The DHT Milq DSET, the prebuilt draft. 6395 
Looks good, but.... 6394 
2A3 with slightly lover filament voltage? 6394 
Less is more... usually. 6394 
Where to burn gain? how? and where to get beter st... 6393 
Stepping Out 6393 
Said to be good, but 6393 
Gain to lose 6393 
Why nothing is simple with this damn amp! 6393 
Another idea for losing gain 6393 
What's best 6393 
Options, options... 6393 
Actually, it is not so bad. 6393 
Other compromises... 6392 
Cathode vs. fixed with DHT 6391 
Is it glowing yet? 6371 
It is comming.... 6371 
The new MF channel. 6365 
I started to work on the Milq’s DHT Island. 6364 
Innerstage loading vs. OPT loading. 6356 
The intestage loading talk. 6353 
My playback feels like it is broken. 6348 
1 in 50? 6348 
Yes, it was after PP2000 6348 
Die Walküre soldering. 6347 
The post Die Walküre soldering 6346 
Another amp arond YO186 6345 
Gain? 6345 
The Unexpected problem with DHT Milq. 6345 
Simple is good 6344 
Ok, I am moving forward. 6344 
The Milq DSET is up. 6343 
My DH DSET – 2 days later. 6341 
Here is more data to reconcile. 6341 
Hm, that is interesting and unpleasant so far. 6340 
Ok, what do I want? 6340 
Let Go of Some Conceptual "Restrictions"? 6340 
The Milq DH DSET, the further thoughts in progress. 6340 
Crunching Numbers; Shaping Sound 6340 
How about the tweeter? 6339 
Tweeter Efficiency? 6339 
Safe and Sound 6339 
More mystery with tweeter but still on the subject. 6339 
Some clarifications. 6339 
How about that?!!! 6339 
Further considerations: DC-coupling. 6337 
Head Room 6337 
To kill the mandatory 13dB 6336 
DC coupling and killing 13db and driving 6e5p miller and.... 6336 
I do not think that it might be damaging… 6336 
Again with the PS 6336 
AKA J.C. Morrison’s amp but… 6334 
Parallel Universe 6334 
Melquiades HD MF DSET, Draft13. 6332 
Why I let other people build them... 6332 
Ok, it's going to right direction. 6332 
Ok, it looks already very close…. 6331 
The Loftinish-Whitish, well sort of…. 6328 
MF: the pre-final version. 6328 
Loftin-White? 6328 
Did anyone hear the PX4 amplifiers? 6328 
What Could use Improving at This Point? 6328 
The Milq’s MF front-end is done 6324 
Why I Let Other People Build Them, II 6324 
Define really quiet 6323 
Another variable of sound 6323 
Backlash? 6323 
Alternative filament supplies 6323 
I kind of faced a problem with AC 6323 
Going down the DC path 6322 
It is not about the “whole sound” but about “molec... 6322 
Molecular sound 6322 
AC-DC heater supply 6322 
The Tentlabs are $10 worth PS. 6322 
The unexpected resolution of AC vs. DC quandary. 6322 
The devil is less scared than it depicted. 6322 
Hiss or Hum 6322 
AC transformers 6322 
I have seen the Promised Land 6321 
OK, the choke noise is not a problem anymore 6321 
Ok, it is working fine but… 6320 
Divide and Conquer 6320 
The design phase is over. 6319 
The unexpected insanity! 6318 
Loading 6318 
Looking for inspiring ideas for 'universal' loadin... 6318 
A filaments Sherlock Holmes wanted. 6318 
Going the Distance 6318 
Read the f*** manual! 6318 
Agreed. 6318 
I agree 6318 
The filament transformer 6318 
Center-tap and options 6318 
Something like this…. 6318 
Avoiding "Dial-an-Amp" 6318 
The foreplay is going on. 6318 
Split balance 6317 
Further thoughts about my DH filaments 6317 
The Shuguang 2A3 tubes. 6317 
SHuguang 6317 
Going through…. 6316 
The 2.5V noise vs. 4V noise. 6315 
More about Shuguang 2A3C 6315 
Hum vs voltage 6315 
Meow about the tubes… 6315 
To Be a Content Cat 6315 
Completed! 6312 
Tradition 6312 
Absolutely beautiful! 6312 
The 'film' caps in PS 6311 
Science or religion 6311 
Mass Extinction 6311 
Electrolytics, technology and time 6311 
No more questions about PS capacitors. 6311 
Capacitor choices 6311 
Good time. Welcome back. Thanks God. 6310 
The minor day of Quartets. 6310 
Them's the Breaks 6310 
Eventually! 6309 
So Soon? 6309 
DHT MF channel and 6-ch amp: first conclusions 6309 
All Abuzz about Nothing 6308 
The wire for DC-coupling 6308 
The Dirt on DIY Backlash 6308 
DSET vs. the “better tubes”. 6308 
How to test the DH tubes properly? 6307 
Pairing up tubes for SE use 6306 
The DHT live reserve 6305 
Some interestng models 6305 
Eaten alive. 6305 
The tubey déjà vu? 6304 
The new concept of my output transformer. 6300 
The 4V takes a lead. 6296 
Listening the DH and the striped down version of M... 6293 
I kind of slowly learn what I need. 6293 
More HF from a transformer and DHT? 6291 
Since You Don't Need the Gain 6290 
Exiting the design mode? 6290 
Bye-bye the input divider on MF! 6290 
A few steps back and a gaint leap ahead. 6286 
Single-stage vs. DHT amp. 6285 
Setting up the new Playback 6284 
And the winner is… so far 6281 
If you like type 45... 6281 
Type 45... they're not all the same 6281 
Favorite Flavor? 6281 
The 45 times Meow... 6281 
The problem that I see is… 6281 
Running the 45 6281 
The 10Y...and bye bye Newton 6280 
The commentaries about everything. 6280 
Driver tube and biasing 6280 
DHT drivers 6280 
The ideas are worth trying? 6280 
A question about the polishing the things…. 6276 
The Particular Tube, I'm afraid... 6276 
Driving the 45... cathode first 6275 
ST or Globe; old or new... 6275 
Whatever sticks to the wall as an operation point ... 6275 
The attenuating crap in secondary. 6275 
Operating points and cathode current 6275 
The Burgeoning Opportunities! 6275 
Actually it is not so simple. 6275 
Resistors at the front 6274 
A minor alternation of a position 6274 
The era of enlightenment. 6271 
The devil is in the details.... 6271 
Constructing Sound 6271 
A new view on the DHT evaluation. 6270 
The “strange” YO186 6261 
The dead guy’s lessons. 6216 
2S4S and 2A3 6207 
Ho to use the YO186 6200 
YO 186 fundamental flavor 6200 
The YO-YO tube and "fundamentals" channel 6200 
The live without the YO186, again.... 6198 
Not anymore! 6187 
The very good YoYonisation! 6186 
….above and below two very clean channel. 6185 
The DHT and esoteric imaging deformation. 6172 
DHT, YO186, or??? 6172 
I had no idea how ‘different’ it is. 6119 
The Kazitsky Manufacturing and YO104, some history. 6118 
"Absolution and Eternal Refuge." 6115 
Sofia Electric Type 45 Mesh 6105 
The true association of YO186's Sounds. 5867 
All the Best from Burgundy 5867 
Cheesy tubes 5866 
Me and my DHT references… 5757 
Y0-186 in winter. 5660 
Y0-186 sounds like… 5659 
Rethinking the YO186 tube. 5628 
In My Dreams 5628 
Grunt from type 45? A ridicules comment. 5628 
Blame? 5627 
When good is not good enough. 5627 
45s, Drivers, and 45s 5627 
Hm, that was so simple after all! 5626 
How the YO186 was used. 5210 
What is old is new? 5209 
YO186 vs. type 45. 5208 
The YO186 is gone.... :-( 4757 
That sucks. 4757 
YO186 4755 
Hm, what the hell is going on? 4755 
I do not think that anybody but me would like YO186 4755 
A hallucination? 4752 
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