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Site News: 17 May 2026

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Romy The Cat's Playback
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Melquiades SET Amplifier
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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 6397 
One-stage Milq++ and the DHT's alleged tone 6396 
DHT Milq? 6396 
The DHT journey. 6396 
DHT tone 6396 
Well, why not? 6395 
Holding the Fort 6395 
My DHT experiment: Preface 6395 
Input tube and DC heaters 6394 
Reimyo Pat 777 6394 
My DHT experiment: Observations 6390 
DHT or 300B? 6390 
300B 6390 
Talking, perception and the grounds for objectively 6390 
The Wine Via the Wine Glass 6389 
Hence the confusion 6389 
My DHT experiment: some conclusions. 6389 
Reality Reconstruction is not a functionality. 6389 
My experience with DHTs 6389 
Pigmented coloration? 6389 
Dht-dht 6389 
Dynamic viscosity? 6389 
The Pallette preamp... 6389 
If one DHT is good, two must be better? 6389 
"soul" of tubes 6389 
There is a difference... 6389 
Vibration injection? 6389 
Homework # 4334 6389 
The 01A-71A-10Y-45 chain 6389 
Old valves have more soul! 6388 
Was it soul or soil? 6388 
It was just a heading 6388 
Adjustable color: TIMBRE LOCK? 6388 
Neutral or neutral/uncoloured? 6388 
..are lacking in power, dynamics and bandwidth. 6388 
Timbre-Lock. Not quite ready for prime time. 6388 
Injection of analog dither? 6388 
Subliminal signal 6388 
The idea of analog randomanization. 6388 
Okay, what Avicena Power Generator 6388 
I hope you will be hearing about it. 6387 
Avicenna = Arabian 6387 
Persian, not Arab 6387 
The “second solution” - a major disappointment 6387 
More words to describe "sux" please 6387 
Revolution 6387 
The non-melodramatic DHT? 6387 
One-stage DHTs 6386 
One other thing 6386 
One stage 6386 
Brewing, thinking and heating 6386 
Physical characteristics of electronic devices 6386 
I see the things differently. 6386 
Don't waste time being "creative" 6386 
The audiophile attitude 6386 
The where and why of design choices 6386 
Blah blah blah 6386 
Laconic Clarity vs. Comfort vs. Nostalgia 6386 
Do I need to be hissing? 6386 
...associated with lack of neutrality and colorati... 6386 
John Broskie's Partial feedback amplifier 6386 
Randomness vs. freedom and the Homework # 4334 6385 
What is randomness? 6385 
Those least three possibilities… 6385 
Randomness and Music's Prerogative 6385 
It works, … sort of. The revolution is canceled. 6385 
Thorsten Loesch’s article about DHT SETs 6383 
A Beautiful Mind 6382 
Some summary and conclusions from the first phase. 6380 
Second phase: revising requirement for my DHT objectives. 6365 
Tubes for your DHT amp 6365 
Abandoning Milq? 6365 
Will see how it goes.... 6365 
Single-stage Milq vs. Sun Audio VT-2A3 6363 
Topology and 2A3? 6363 
6SN7-2A3 amps? 6363 
Type Casting 6363 
Sun Audio SV-2A3 6363 
6sn7-2a3 6363 
Topology vs parts 6363 
For a DHT amp, you are listening to the power supply 6363 
The vintage tubes syndrome. 6363 
Parts Frenzy 6363 
Too many new sounds 6363 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6362 
New tubes 6361 
Milq bias vs. batery bias 6361 
The batteries are a tricky thing. 6361 
Swimming the ocean at night? 6361 
New 2A3 6361 
To kill of do not kill the capacitor. 6360 
The JJ Electronic amp. 6359 
JJ 2A3 and amp 6359 
Czech tubes 6357 
Single plated vs Double plated? 6357 
Mono plate 2A3 tubes 6357 
I suggested once VT52 tube 6356 
The 800R vs. 1800R vs. 5500R 6356 
YO-186 as the output tube. 6353 
Here she is. 6352 
Some talks about the new production tubes 6348 
New 2A3 tubes 6348 
Some thoughts about one-IHT vs. multiple-DHT 6348 
The Sun Audio with 6E5P 6347 
Multistage DHT circuits 6346 
Wrong tube or wrong topology – here is the question. 6345 
Emission Labs 2A3 6345 
Some comment and questions about then 2A3 talks. 6345 
Which Chinese 2A3? 6345 
OK, for a first time I like the San Audio Kit. 6345 
The YO186 Strip Show 6345 
More on the 2A3 comparisons 6344 
It will be interesting…. 6344 
OPT impedence 6344 
More about the Plate Loading 6344 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6339 
2A3 data 6339 
The New 2A3 tubes 6339 
How many stages I need for 110dB sensitivity, smal... 6339 
How many stages and why... and who makes that 45 o... 6338 
Everything about everything. 6338 
Some very good points... and... possibly more logi... 6338 
Options, options, options.... 6338 
I think we agree overall 6338 
An IDHT with more gain? 6337 
You don't ask for much now, eh? 6337 
2A3 tube impressions 6332 
Interesting analogy 6332 
NOS 2A3 tubes versus new tubes 6332 
Hmmm, let me try this one again... 6332 
Sylvania 2A3 identification 6332 
A picture is worth a thousand micromhos? 6332 
I have more interest in the period tubes 6332 
Why NOS tubes? 6331 
The Holly Ignorance 6331 
Tube tasting 6331 
The cathodes’ flatulence? 6331 
Make mine thoriated please 6331 
Any Germans out there? 6331 
6E5P VS 6E6P 6331 
Vibrations? What do you with them? 6331 
Vibration in tubes and sounds 6331 
UX4 vs UX4ruskie 6330 
Ringing the tubes? I do not know how about that. 6330 
Tube sound and vibration 6330 
The thoughts collection about YO186? 6324 
The lights look green for the YO tube 6323 
"Melquiades" with YO-186. Something like... 6323 
My version of RE-604 and PX4 6322 
The YO186 tube sockets. 6322 
B4/B5 British made 6321 
The YO186’s sockets and prices 6321 
DHT 2A3 amplifier rectification 6320 
My attitude toward tube rectification. 6320 
Tu-be or not Tu-be, seems Tu-be the question. 6319 
It looks like DHT DSET is shaping up. 6318 
The Sylvania 2A3 NOS report 6315 
The Citizen Kane syndrome. 6315 
Sylvania 2A3 in a World without Color 6314 
Are NOS and new manufacture comparing oranges to o... 6314 
That all is incorrect in a way…. 6314 
NOS vs new 2A3 tubes 6314 
The identical operation environment? 6314 
Preferred 2A3 operating point 6314 
The sound of the 2A3 however? 6314 
Circuit modification for 2A3 optimization 6313 
How to get max power from 2A3 6313 
2A3 voltages, loads and realized output power 6313 
Optimal operation of 2A3: an experiment 6313 
Tubes, Whole Circuits, Expectations and Sound 6313 
Gain is not power. 6313 
2A3 amplifier modification & Optimization 6313 
Specialized DSET approach 6313 
6C33/2A3 DSET? 6313 
SET usable power and making the most of it 6313 
The 2A3 loading 6313 
DSET solution for EdgarHorn? 6313 
Optimizing the 2A3 6313 
How much to DSET a DSET 6313 
DSET for Titan 6313 
The Best of All Worlds 6313 
Multiamp setup 6312 
Optimizing the (NOS) 2A3... "KM-style"? 6312 
There are many opportunities, it all depends what ... 6312 
Modifying amplifer to optimize NOS 2A3 performance 6312 
Conceptualizing Melquiades DSET is done 6306 
2A3 and 400V supply 6306 
Pudding and the chicken wires 6305 
Another shot at numbers 6305 
How to cook the "uninformed" anode. 6305 
Okay, so this might work.... 6305 
The DHT Milq DSET, the prebuilt draft. 6305 
Looks good, but.... 6304 
2A3 with slightly lover filament voltage? 6304 
Less is more... usually. 6304 
Where to burn gain? how? and where to get beter st... 6303 
Stepping Out 6303 
Said to be good, but 6303 
Gain to lose 6303 
Why nothing is simple with this damn amp! 6303 
Another idea for losing gain 6303 
What's best 6303 
Options, options... 6303 
Actually, it is not so bad. 6303 
Other compromises... 6302 
Cathode vs. fixed with DHT 6301 
Is it glowing yet? 6281 
It is comming.... 6281 
The new MF channel. 6275 
I started to work on the Milq’s DHT Island. 6274 
Innerstage loading vs. OPT loading. 6266 
The intestage loading talk. 6263 
My playback feels like it is broken. 6258 
1 in 50? 6258 
Yes, it was after PP2000 6258 
Die Walküre soldering. 6257 
The post Die Walküre soldering 6256 
Another amp arond YO186 6255 
Gain? 6255 
The Unexpected problem with DHT Milq. 6255 
Simple is good 6254 
Ok, I am moving forward. 6254 
The Milq DSET is up. 6253 
My DH DSET – 2 days later. 6251 
Here is more data to reconcile. 6251 
Hm, that is interesting and unpleasant so far. 6250 
Ok, what do I want? 6250 
Let Go of Some Conceptual "Restrictions"? 6250 
The Milq DH DSET, the further thoughts in progress. 6250 
Crunching Numbers; Shaping Sound 6250 
How about the tweeter? 6249 
Tweeter Efficiency? 6249 
Safe and Sound 6249 
More mystery with tweeter but still on the subject. 6249 
Some clarifications. 6249 
How about that?!!! 6249 
Further considerations: DC-coupling. 6247 
Head Room 6247 
To kill the mandatory 13dB 6246 
DC coupling and killing 13db and driving 6e5p miller and.... 6246 
I do not think that it might be damaging… 6246 
Again with the PS 6246 
AKA J.C. Morrison’s amp but… 6244 
Parallel Universe 6244 
Melquiades HD MF DSET, Draft13. 6242 
Why I let other people build them... 6242 
Ok, it's going to right direction. 6242 
Ok, it looks already very close…. 6241 
The Loftinish-Whitish, well sort of…. 6238 
MF: the pre-final version. 6238 
Loftin-White? 6238 
Did anyone hear the PX4 amplifiers? 6238 
What Could use Improving at This Point? 6238 
The Milq’s MF front-end is done 6234 
Why I Let Other People Build Them, II 6234 
Define really quiet 6233 
Another variable of sound 6233 
Backlash? 6233 
Alternative filament supplies 6233 
I kind of faced a problem with AC 6233 
Going down the DC path 6232 
It is not about the “whole sound” but about “molec... 6232 
Molecular sound 6232 
AC-DC heater supply 6232 
The Tentlabs are $10 worth PS. 6232 
The unexpected resolution of AC vs. DC quandary. 6232 
The devil is less scared than it depicted. 6232 
Hiss or Hum 6232 
AC transformers 6232 
I have seen the Promised Land 6231 
OK, the choke noise is not a problem anymore 6231 
Ok, it is working fine but… 6230 
Divide and Conquer 6230 
The design phase is over. 6229 
The unexpected insanity! 6228 
Loading 6228 
Looking for inspiring ideas for 'universal' loadin... 6228 
A filaments Sherlock Holmes wanted. 6228 
Going the Distance 6228 
Read the f*** manual! 6228 
Agreed. 6228 
I agree 6228 
The filament transformer 6228 
Center-tap and options 6228 
Something like this…. 6228 
Avoiding "Dial-an-Amp" 6228 
The foreplay is going on. 6228 
Split balance 6227 
Further thoughts about my DH filaments 6227 
The Shuguang 2A3 tubes. 6227 
SHuguang 6227 
Going through…. 6226 
The 2.5V noise vs. 4V noise. 6225 
More about Shuguang 2A3C 6225 
Hum vs voltage 6225 
Meow about the tubes… 6225 
To Be a Content Cat 6225 
Completed! 6222 
Tradition 6222 
Absolutely beautiful! 6222 
The 'film' caps in PS 6221 
Science or religion 6221 
Mass Extinction 6221 
Electrolytics, technology and time 6221 
No more questions about PS capacitors. 6221 
Capacitor choices 6221 
Good time. Welcome back. Thanks God. 6220 
The minor day of Quartets. 6220 
Them's the Breaks 6220 
Eventually! 6219 
So Soon? 6219 
DHT MF channel and 6-ch amp: first conclusions 6219 
All Abuzz about Nothing 6218 
The wire for DC-coupling 6218 
The Dirt on DIY Backlash 6218 
DSET vs. the “better tubes”. 6218 
How to test the DH tubes properly? 6217 
Pairing up tubes for SE use 6216 
The DHT live reserve 6215 
Some interestng models 6215 
Eaten alive. 6215 
The tubey déjà vu? 6214 
The new concept of my output transformer. 6210 
The 4V takes a lead. 6206 
Listening the DH and the striped down version of M... 6203 
I kind of slowly learn what I need. 6203 
More HF from a transformer and DHT? 6201 
Since You Don't Need the Gain 6200 
Exiting the design mode? 6200 
Bye-bye the input divider on MF! 6200 
A few steps back and a gaint leap ahead. 6196 
Single-stage vs. DHT amp. 6195 
Setting up the new Playback 6194 
And the winner is… so far 6191 
If you like type 45... 6191 
Type 45... they're not all the same 6191 
Favorite Flavor? 6191 
The 45 times Meow... 6191 
The problem that I see is… 6191 
Running the 45 6191 
The 10Y...and bye bye Newton 6190 
The commentaries about everything. 6190 
Driver tube and biasing 6190 
DHT drivers 6190 
The ideas are worth trying? 6190 
A question about the polishing the things…. 6186 
The Particular Tube, I'm afraid... 6186 
Driving the 45... cathode first 6185 
ST or Globe; old or new... 6185 
Whatever sticks to the wall as an operation point ... 6185 
The attenuating crap in secondary. 6185 
Operating points and cathode current 6185 
The Burgeoning Opportunities! 6185 
Actually it is not so simple. 6185 
Resistors at the front 6184 
A minor alternation of a position 6184 
The era of enlightenment. 6181 
The devil is in the details.... 6181 
Constructing Sound 6181 
A new view on the DHT evaluation. 6180 
The “strange” YO186 6171 
The dead guy’s lessons. 6126 
2S4S and 2A3 6117 
Ho to use the YO186 6110 
YO 186 fundamental flavor 6110 
The YO-YO tube and "fundamentals" channel 6110 
The live without the YO186, again.... 6108 
Not anymore! 6097 
The very good YoYonisation! 6096 
….above and below two very clean channel. 6095 
The DHT and esoteric imaging deformation. 6082 
DHT, YO186, or??? 6082 
I had no idea how ‘different’ it is. 6029 
The Kazitsky Manufacturing and YO104, some history. 6028 
"Absolution and Eternal Refuge." 6025 
Sofia Electric Type 45 Mesh 6015 
The true association of YO186's Sounds. 5777 
All the Best from Burgundy 5777 
Cheesy tubes 5776 
Me and my DHT references… 5667 
Y0-186 in winter. 5570 
Y0-186 sounds like… 5569 
Rethinking the YO186 tube. 5538 
In My Dreams 5538 
Grunt from type 45? A ridicules comment. 5538 
Blame? 5537 
When good is not good enough. 5537 
45s, Drivers, and 45s 5537 
Hm, that was so simple after all! 5536 
How the YO186 was used. 5120 
What is old is new? 5119 
YO186 vs. type 45. 5118 
The YO186 is gone.... :-( 4667 
That sucks. 4667 
YO186 4665 
Hm, what the hell is going on? 4665 
I do not think that anybody but me would like YO186 4665 
A hallucination? 4662 
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