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Site News: 26 Aug 2026

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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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Single-stage Melquiades vs. DHT amps 6558 
One-stage Milq++ and the DHT's alleged tone 6557 
DHT Milq? 6557 
The DHT journey. 6557 
DHT tone 6557 
Well, why not? 6556 
Holding the Fort 6556 
My DHT experiment: Preface 6556 
Input tube and DC heaters 6555 
Reimyo Pat 777 6555 
My DHT experiment: Observations 6551 
DHT or 300B? 6551 
300B 6551 
Talking, perception and the grounds for objectively 6551 
The Wine Via the Wine Glass 6550 
Hence the confusion 6550 
My DHT experiment: some conclusions. 6550 
Reality Reconstruction is not a functionality. 6550 
My experience with DHTs 6550 
Pigmented coloration? 6550 
Dht-dht 6550 
Dynamic viscosity? 6550 
The Pallette preamp... 6550 
If one DHT is good, two must be better? 6550 
"soul" of tubes 6550 
There is a difference... 6550 
Vibration injection? 6550 
Homework # 4334 6550 
The 01A-71A-10Y-45 chain 6550 
Old valves have more soul! 6549 
Was it soul or soil? 6549 
It was just a heading 6549 
Adjustable color: TIMBRE LOCK? 6549 
Neutral or neutral/uncoloured? 6549 
..are lacking in power, dynamics and bandwidth. 6549 
Timbre-Lock. Not quite ready for prime time. 6549 
Injection of analog dither? 6549 
Subliminal signal 6549 
The idea of analog randomanization. 6549 
Okay, what Avicena Power Generator 6549 
I hope you will be hearing about it. 6548 
Avicenna = Arabian 6548 
Persian, not Arab 6548 
The “second solution” - a major disappointment 6548 
More words to describe "sux" please 6548 
Revolution 6548 
The non-melodramatic DHT? 6548 
One-stage DHTs 6547 
One other thing 6547 
One stage 6547 
Brewing, thinking and heating 6547 
Physical characteristics of electronic devices 6547 
I see the things differently. 6547 
Don't waste time being "creative" 6547 
The audiophile attitude 6547 
The where and why of design choices 6547 
Blah blah blah 6547 
Laconic Clarity vs. Comfort vs. Nostalgia 6547 
Do I need to be hissing? 6547 
...associated with lack of neutrality and colorati... 6547 
John Broskie's Partial feedback amplifier 6547 
Randomness vs. freedom and the Homework # 4334 6546 
What is randomness? 6546 
Those least three possibilities… 6546 
Randomness and Music's Prerogative 6546 
It works, … sort of. The revolution is canceled. 6546 
Thorsten Loesch’s article about DHT SETs 6544 
A Beautiful Mind 6543 
Some summary and conclusions from the first phase. 6541 
Second phase: revising requirement for my DHT objectives. 6526 
Tubes for your DHT amp 6526 
Abandoning Milq? 6526 
Will see how it goes.... 6526 
Single-stage Milq vs. Sun Audio VT-2A3 6524 
Topology and 2A3? 6524 
6SN7-2A3 amps? 6524 
Type Casting 6524 
Sun Audio SV-2A3 6524 
6sn7-2a3 6524 
Topology vs parts 6524 
For a DHT amp, you are listening to the power supply 6524 
The vintage tubes syndrome. 6524 
Parts Frenzy 6524 
Too many new sounds 6524 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6523 
New tubes 6522 
Milq bias vs. batery bias 6522 
The batteries are a tricky thing. 6522 
Swimming the ocean at night? 6522 
New 2A3 6522 
To kill of do not kill the capacitor. 6521 
The JJ Electronic amp. 6520 
JJ 2A3 and amp 6520 
Czech tubes 6518 
Single plated vs Double plated? 6518 
Mono plate 2A3 tubes 6518 
I suggested once VT52 tube 6517 
The 800R vs. 1800R vs. 5500R 6517 
YO-186 as the output tube. 6514 
Here she is. 6513 
Some talks about the new production tubes 6509 
New 2A3 tubes 6509 
Some thoughts about one-IHT vs. multiple-DHT 6509 
The Sun Audio with 6E5P 6508 
Multistage DHT circuits 6507 
Wrong tube or wrong topology – here is the question. 6506 
Emission Labs 2A3 6506 
Some comment and questions about then 2A3 talks. 6506 
Which Chinese 2A3? 6506 
OK, for a first time I like the San Audio Kit. 6506 
The YO186 Strip Show 6506 
More on the 2A3 comparisons 6505 
It will be interesting…. 6505 
OPT impedence 6505 
More about the Plate Loading 6505 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6500 
2A3 data 6500 
The New 2A3 tubes 6500 
How many stages I need for 110dB sensitivity, smal... 6500 
How many stages and why... and who makes that 45 o... 6499 
Everything about everything. 6499 
Some very good points... and... possibly more logi... 6499 
Options, options, options.... 6499 
I think we agree overall 6499 
An IDHT with more gain? 6498 
You don't ask for much now, eh? 6498 
2A3 tube impressions 6493 
Interesting analogy 6493 
NOS 2A3 tubes versus new tubes 6493 
Hmmm, let me try this one again... 6493 
Sylvania 2A3 identification 6493 
A picture is worth a thousand micromhos? 6493 
I have more interest in the period tubes 6493 
Why NOS tubes? 6492 
The Holly Ignorance 6492 
Tube tasting 6492 
The cathodes’ flatulence? 6492 
Make mine thoriated please 6492 
Any Germans out there? 6492 
6E5P VS 6E6P 6492 
Vibrations? What do you with them? 6492 
Vibration in tubes and sounds 6492 
UX4 vs UX4ruskie 6491 
Ringing the tubes? I do not know how about that. 6491 
Tube sound and vibration 6491 
The thoughts collection about YO186? 6485 
The lights look green for the YO tube 6484 
"Melquiades" with YO-186. Something like... 6484 
My version of RE-604 and PX4 6483 
The YO186 tube sockets. 6483 
B4/B5 British made 6482 
The YO186’s sockets and prices 6482 
DHT 2A3 amplifier rectification 6481 
My attitude toward tube rectification. 6481 
Tu-be or not Tu-be, seems Tu-be the question. 6480 
It looks like DHT DSET is shaping up. 6479 
The Sylvania 2A3 NOS report 6476 
The Citizen Kane syndrome. 6476 
Sylvania 2A3 in a World without Color 6475 
Are NOS and new manufacture comparing oranges to o... 6475 
That all is incorrect in a way…. 6475 
NOS vs new 2A3 tubes 6475 
The identical operation environment? 6475 
Preferred 2A3 operating point 6475 
The sound of the 2A3 however? 6475 
Circuit modification for 2A3 optimization 6474 
How to get max power from 2A3 6474 
2A3 voltages, loads and realized output power 6474 
Optimal operation of 2A3: an experiment 6474 
Tubes, Whole Circuits, Expectations and Sound 6474 
Gain is not power. 6474 
2A3 amplifier modification & Optimization 6474 
Specialized DSET approach 6474 
6C33/2A3 DSET? 6474 
SET usable power and making the most of it 6474 
The 2A3 loading 6474 
DSET solution for EdgarHorn? 6474 
Optimizing the 2A3 6474 
How much to DSET a DSET 6474 
DSET for Titan 6474 
The Best of All Worlds 6474 
Multiamp setup 6473 
Optimizing the (NOS) 2A3... "KM-style"? 6473 
There are many opportunities, it all depends what ... 6473 
Modifying amplifer to optimize NOS 2A3 performance 6473 
Conceptualizing Melquiades DSET is done 6467 
2A3 and 400V supply 6467 
Pudding and the chicken wires 6466 
Another shot at numbers 6466 
How to cook the "uninformed" anode. 6466 
Okay, so this might work.... 6466 
The DHT Milq DSET, the prebuilt draft. 6466 
Looks good, but.... 6465 
2A3 with slightly lover filament voltage? 6465 
Less is more... usually. 6465 
Where to burn gain? how? and where to get beter st... 6464 
Stepping Out 6464 
Said to be good, but 6464 
Gain to lose 6464 
Why nothing is simple with this damn amp! 6464 
Another idea for losing gain 6464 
What's best 6464 
Options, options... 6464 
Actually, it is not so bad. 6464 
Other compromises... 6463 
Cathode vs. fixed with DHT 6462 
Is it glowing yet? 6442 
It is comming.... 6442 
The new MF channel. 6436 
I started to work on the Milq’s DHT Island. 6435 
Innerstage loading vs. OPT loading. 6427 
The intestage loading talk. 6424 
My playback feels like it is broken. 6419 
1 in 50? 6419 
Yes, it was after PP2000 6419 
Die Walküre soldering. 6418 
The post Die Walküre soldering 6417 
Another amp arond YO186 6416 
Gain? 6416 
The Unexpected problem with DHT Milq. 6416 
Simple is good 6415 
Ok, I am moving forward. 6415 
The Milq DSET is up. 6414 
My DH DSET – 2 days later. 6412 
Here is more data to reconcile. 6412 
Hm, that is interesting and unpleasant so far. 6411 
Ok, what do I want? 6411 
Let Go of Some Conceptual "Restrictions"? 6411 
The Milq DH DSET, the further thoughts in progress. 6411 
Crunching Numbers; Shaping Sound 6411 
How about the tweeter? 6410 
Tweeter Efficiency? 6410 
Safe and Sound 6410 
More mystery with tweeter but still on the subject. 6410 
Some clarifications. 6410 
How about that?!!! 6410 
Further considerations: DC-coupling. 6408 
Head Room 6408 
To kill the mandatory 13dB 6407 
DC coupling and killing 13db and driving 6e5p miller and.... 6407 
I do not think that it might be damaging… 6407 
Again with the PS 6407 
AKA J.C. Morrison’s amp but… 6405 
Parallel Universe 6405 
Melquiades HD MF DSET, Draft13. 6403 
Why I let other people build them... 6403 
Ok, it's going to right direction. 6403 
Ok, it looks already very close…. 6402 
The Loftinish-Whitish, well sort of…. 6399 
MF: the pre-final version. 6399 
Loftin-White? 6399 
Did anyone hear the PX4 amplifiers? 6399 
What Could use Improving at This Point? 6399 
The Milq’s MF front-end is done 6395 
Why I Let Other People Build Them, II 6395 
Define really quiet 6394 
Another variable of sound 6394 
Backlash? 6394 
Alternative filament supplies 6394 
I kind of faced a problem with AC 6394 
Going down the DC path 6393 
It is not about the “whole sound” but about “molec... 6393 
Molecular sound 6393 
AC-DC heater supply 6393 
The Tentlabs are $10 worth PS. 6393 
The unexpected resolution of AC vs. DC quandary. 6393 
The devil is less scared than it depicted. 6393 
Hiss or Hum 6393 
AC transformers 6393 
I have seen the Promised Land 6392 
OK, the choke noise is not a problem anymore 6392 
Ok, it is working fine but… 6391 
Divide and Conquer 6391 
The design phase is over. 6390 
The unexpected insanity! 6389 
Loading 6389 
Looking for inspiring ideas for 'universal' loadin... 6389 
A filaments Sherlock Holmes wanted. 6389 
Going the Distance 6389 
Read the f*** manual! 6389 
Agreed. 6389 
I agree 6389 
The filament transformer 6389 
Center-tap and options 6389 
Something like this…. 6389 
Avoiding "Dial-an-Amp" 6389 
The foreplay is going on. 6389 
Split balance 6388 
Further thoughts about my DH filaments 6388 
The Shuguang 2A3 tubes. 6388 
SHuguang 6388 
Going through…. 6387 
The 2.5V noise vs. 4V noise. 6386 
More about Shuguang 2A3C 6386 
Hum vs voltage 6386 
Meow about the tubes… 6386 
To Be a Content Cat 6386 
Completed! 6383 
Tradition 6383 
Absolutely beautiful! 6383 
The 'film' caps in PS 6382 
Science or religion 6382 
Mass Extinction 6382 
Electrolytics, technology and time 6382 
No more questions about PS capacitors. 6382 
Capacitor choices 6382 
Good time. Welcome back. Thanks God. 6381 
The minor day of Quartets. 6381 
Them's the Breaks 6381 
Eventually! 6380 
So Soon? 6380 
DHT MF channel and 6-ch amp: first conclusions 6380 
All Abuzz about Nothing 6379 
The wire for DC-coupling 6379 
The Dirt on DIY Backlash 6379 
DSET vs. the “better tubes”. 6379 
How to test the DH tubes properly? 6378 
Pairing up tubes for SE use 6377 
The DHT live reserve 6376 
Some interestng models 6376 
Eaten alive. 6376 
The tubey déjà vu? 6375 
The new concept of my output transformer. 6371 
The 4V takes a lead. 6367 
Listening the DH and the striped down version of M... 6364 
I kind of slowly learn what I need. 6364 
More HF from a transformer and DHT? 6362 
Since You Don't Need the Gain 6361 
Exiting the design mode? 6361 
Bye-bye the input divider on MF! 6361 
A few steps back and a gaint leap ahead. 6357 
Single-stage vs. DHT amp. 6356 
Setting up the new Playback 6355 
And the winner is… so far 6352 
If you like type 45... 6352 
Type 45... they're not all the same 6352 
Favorite Flavor? 6352 
The 45 times Meow... 6352 
The problem that I see is… 6352 
Running the 45 6352 
The 10Y...and bye bye Newton 6351 
The commentaries about everything. 6351 
Driver tube and biasing 6351 
DHT drivers 6351 
The ideas are worth trying? 6351 
A question about the polishing the things…. 6347 
The Particular Tube, I'm afraid... 6347 
Driving the 45... cathode first 6346 
ST or Globe; old or new... 6346 
Whatever sticks to the wall as an operation point ... 6346 
The attenuating crap in secondary. 6346 
Operating points and cathode current 6346 
The Burgeoning Opportunities! 6346 
Actually it is not so simple. 6346 
Resistors at the front 6345 
A minor alternation of a position 6345 
The era of enlightenment. 6342 
The devil is in the details.... 6342 
Constructing Sound 6342 
A new view on the DHT evaluation. 6341 
The “strange” YO186 6332 
The dead guy’s lessons. 6287 
2S4S and 2A3 6278 
Ho to use the YO186 6271 
YO 186 fundamental flavor 6271 
The YO-YO tube and "fundamentals" channel 6271 
The live without the YO186, again.... 6269 
Not anymore! 6258 
The very good YoYonisation! 6257 
….above and below two very clean channel. 6256 
The DHT and esoteric imaging deformation. 6243 
DHT, YO186, or??? 6243 
I had no idea how ‘different’ it is. 6190 
The Kazitsky Manufacturing and YO104, some history. 6189 
"Absolution and Eternal Refuge." 6186 
Sofia Electric Type 45 Mesh 6176 
The true association of YO186's Sounds. 5938 
All the Best from Burgundy 5938 
Cheesy tubes 5937 
Me and my DHT references… 5828 
Y0-186 in winter. 5731 
Y0-186 sounds like… 5730 
Rethinking the YO186 tube. 5699 
In My Dreams 5699 
Grunt from type 45? A ridicules comment. 5699 
Blame? 5698 
When good is not good enough. 5698 
45s, Drivers, and 45s 5698 
Hm, that was so simple after all! 5697 
How the YO186 was used. 5281 
What is old is new? 5280 
YO186 vs. type 45. 5279 
The YO186 is gone.... :-( 4828 
That sucks. 4828 
YO186 4826 
Hm, what the hell is going on? 4826 
I do not think that anybody but me would like YO186 4826 
A hallucination? 4823 
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