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Site News: 16 Jan 2026
That old bug returned. Sometimes creation of new threat not going to work.  The replies still work. 
I will fix it soon.
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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 6273 
One-stage Milq++ and the DHT's alleged tone 6272 
DHT Milq? 6272 
The DHT journey. 6272 
DHT tone 6272 
Well, why not? 6271 
Holding the Fort 6271 
My DHT experiment: Preface 6271 
Input tube and DC heaters 6270 
Reimyo Pat 777 6270 
My DHT experiment: Observations 6266 
DHT or 300B? 6266 
300B 6266 
Talking, perception and the grounds for objectively 6266 
The Wine Via the Wine Glass 6265 
Hence the confusion 6265 
My DHT experiment: some conclusions. 6265 
Reality Reconstruction is not a functionality. 6265 
My experience with DHTs 6265 
Pigmented coloration? 6265 
Dht-dht 6265 
Dynamic viscosity? 6265 
The Pallette preamp... 6265 
If one DHT is good, two must be better? 6265 
"soul" of tubes 6265 
There is a difference... 6265 
Vibration injection? 6265 
Homework # 4334 6265 
The 01A-71A-10Y-45 chain 6265 
Old valves have more soul! 6264 
Was it soul or soil? 6264 
It was just a heading 6264 
Adjustable color: TIMBRE LOCK? 6264 
Neutral or neutral/uncoloured? 6264 
..are lacking in power, dynamics and bandwidth. 6264 
Timbre-Lock. Not quite ready for prime time. 6264 
Injection of analog dither? 6264 
Subliminal signal 6264 
The idea of analog randomanization. 6264 
Okay, what Avicena Power Generator 6264 
I hope you will be hearing about it. 6263 
Avicenna = Arabian 6263 
Persian, not Arab 6263 
The “second solution” - a major disappointment 6263 
More words to describe "sux" please 6263 
Revolution 6263 
The non-melodramatic DHT? 6263 
One-stage DHTs 6262 
One other thing 6262 
One stage 6262 
Brewing, thinking and heating 6262 
Physical characteristics of electronic devices 6262 
I see the things differently. 6262 
Don't waste time being "creative" 6262 
The audiophile attitude 6262 
The where and why of design choices 6262 
Blah blah blah 6262 
Laconic Clarity vs. Comfort vs. Nostalgia 6262 
Do I need to be hissing? 6262 
...associated with lack of neutrality and colorati... 6262 
John Broskie's Partial feedback amplifier 6262 
Randomness vs. freedom and the Homework # 4334 6261 
What is randomness? 6261 
Those least three possibilities… 6261 
Randomness and Music's Prerogative 6261 
It works, … sort of. The revolution is canceled. 6261 
Thorsten Loesch’s article about DHT SETs 6259 
A Beautiful Mind 6258 
Some summary and conclusions from the first phase. 6256 
Second phase: revising requirement for my DHT objectives. 6241 
Tubes for your DHT amp 6241 
Abandoning Milq? 6241 
Will see how it goes.... 6241 
Single-stage Milq vs. Sun Audio VT-2A3 6239 
Topology and 2A3? 6239 
6SN7-2A3 amps? 6239 
Type Casting 6239 
Sun Audio SV-2A3 6239 
6sn7-2a3 6239 
Topology vs parts 6239 
For a DHT amp, you are listening to the power supply 6239 
The vintage tubes syndrome. 6239 
Parts Frenzy 6239 
Too many new sounds 6239 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6238 
New tubes 6237 
Milq bias vs. batery bias 6237 
The batteries are a tricky thing. 6237 
Swimming the ocean at night? 6237 
New 2A3 6237 
To kill of do not kill the capacitor. 6236 
The JJ Electronic amp. 6235 
JJ 2A3 and amp 6235 
Czech tubes 6233 
Single plated vs Double plated? 6233 
Mono plate 2A3 tubes 6233 
I suggested once VT52 tube 6232 
The 800R vs. 1800R vs. 5500R 6232 
YO-186 as the output tube. 6229 
Here she is. 6228 
Some talks about the new production tubes 6224 
New 2A3 tubes 6224 
Some thoughts about one-IHT vs. multiple-DHT 6224 
The Sun Audio with 6E5P 6223 
Multistage DHT circuits 6222 
Wrong tube or wrong topology – here is the question. 6221 
Emission Labs 2A3 6221 
Some comment and questions about then 2A3 talks. 6221 
Which Chinese 2A3? 6221 
OK, for a first time I like the San Audio Kit. 6221 
The YO186 Strip Show 6221 
More on the 2A3 comparisons 6220 
It will be interesting…. 6220 
OPT impedence 6220 
More about the Plate Loading 6220 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6215 
2A3 data 6215 
The New 2A3 tubes 6215 
How many stages I need for 110dB sensitivity, smal... 6215 
How many stages and why... and who makes that 45 o... 6214 
Everything about everything. 6214 
Some very good points... and... possibly more logi... 6214 
Options, options, options.... 6214 
I think we agree overall 6214 
An IDHT with more gain? 6213 
You don't ask for much now, eh? 6213 
2A3 tube impressions 6208 
Interesting analogy 6208 
NOS 2A3 tubes versus new tubes 6208 
Hmmm, let me try this one again... 6208 
Sylvania 2A3 identification 6208 
A picture is worth a thousand micromhos? 6208 
I have more interest in the period tubes 6208 
Why NOS tubes? 6207 
The Holly Ignorance 6207 
Tube tasting 6207 
The cathodes’ flatulence? 6207 
Make mine thoriated please 6207 
Any Germans out there? 6207 
6E5P VS 6E6P 6207 
Vibrations? What do you with them? 6207 
Vibration in tubes and sounds 6207 
UX4 vs UX4ruskie 6206 
Ringing the tubes? I do not know how about that. 6206 
Tube sound and vibration 6206 
The thoughts collection about YO186? 6200 
The lights look green for the YO tube 6199 
"Melquiades" with YO-186. Something like... 6199 
My version of RE-604 and PX4 6198 
The YO186 tube sockets. 6198 
B4/B5 British made 6197 
The YO186’s sockets and prices 6197 
DHT 2A3 amplifier rectification 6196 
My attitude toward tube rectification. 6196 
Tu-be or not Tu-be, seems Tu-be the question. 6195 
It looks like DHT DSET is shaping up. 6194 
The Sylvania 2A3 NOS report 6191 
The Citizen Kane syndrome. 6191 
Sylvania 2A3 in a World without Color 6190 
Are NOS and new manufacture comparing oranges to o... 6190 
That all is incorrect in a way…. 6190 
NOS vs new 2A3 tubes 6190 
The identical operation environment? 6190 
Preferred 2A3 operating point 6190 
The sound of the 2A3 however? 6190 
Circuit modification for 2A3 optimization 6189 
How to get max power from 2A3 6189 
2A3 voltages, loads and realized output power 6189 
Optimal operation of 2A3: an experiment 6189 
Tubes, Whole Circuits, Expectations and Sound 6189 
Gain is not power. 6189 
2A3 amplifier modification & Optimization 6189 
Specialized DSET approach 6189 
6C33/2A3 DSET? 6189 
SET usable power and making the most of it 6189 
The 2A3 loading 6189 
DSET solution for EdgarHorn? 6189 
Optimizing the 2A3 6189 
How much to DSET a DSET 6189 
DSET for Titan 6189 
The Best of All Worlds 6189 
Multiamp setup 6188 
Optimizing the (NOS) 2A3... "KM-style"? 6188 
There are many opportunities, it all depends what ... 6188 
Modifying amplifer to optimize NOS 2A3 performance 6188 
Conceptualizing Melquiades DSET is done 6182 
2A3 and 400V supply 6182 
Pudding and the chicken wires 6181 
Another shot at numbers 6181 
How to cook the "uninformed" anode. 6181 
Okay, so this might work.... 6181 
The DHT Milq DSET, the prebuilt draft. 6181 
Looks good, but.... 6180 
2A3 with slightly lover filament voltage? 6180 
Less is more... usually. 6180 
Where to burn gain? how? and where to get beter st... 6179 
Stepping Out 6179 
Said to be good, but 6179 
Gain to lose 6179 
Why nothing is simple with this damn amp! 6179 
Another idea for losing gain 6179 
What's best 6179 
Options, options... 6179 
Actually, it is not so bad. 6179 
Other compromises... 6178 
Cathode vs. fixed with DHT 6177 
Is it glowing yet? 6157 
It is comming.... 6157 
The new MF channel. 6151 
I started to work on the Milq’s DHT Island. 6150 
Innerstage loading vs. OPT loading. 6142 
The intestage loading talk. 6139 
My playback feels like it is broken. 6134 
1 in 50? 6134 
Yes, it was after PP2000 6134 
Die Walküre soldering. 6133 
The post Die Walküre soldering 6132 
Another amp arond YO186 6131 
Gain? 6131 
The Unexpected problem with DHT Milq. 6131 
Simple is good 6130 
Ok, I am moving forward. 6130 
The Milq DSET is up. 6129 
My DH DSET – 2 days later. 6127 
Here is more data to reconcile. 6127 
Hm, that is interesting and unpleasant so far. 6126 
Ok, what do I want? 6126 
Let Go of Some Conceptual "Restrictions"? 6126 
The Milq DH DSET, the further thoughts in progress. 6126 
Crunching Numbers; Shaping Sound 6126 
How about the tweeter? 6125 
Tweeter Efficiency? 6125 
Safe and Sound 6125 
More mystery with tweeter but still on the subject. 6125 
Some clarifications. 6125 
How about that?!!! 6125 
Further considerations: DC-coupling. 6123 
Head Room 6123 
To kill the mandatory 13dB 6122 
DC coupling and killing 13db and driving 6e5p miller and.... 6122 
I do not think that it might be damaging… 6122 
Again with the PS 6122 
AKA J.C. Morrison’s amp but… 6120 
Parallel Universe 6120 
Melquiades HD MF DSET, Draft13. 6118 
Why I let other people build them... 6118 
Ok, it's going to right direction. 6118 
Ok, it looks already very close…. 6117 
The Loftinish-Whitish, well sort of…. 6114 
MF: the pre-final version. 6114 
Loftin-White? 6114 
Did anyone hear the PX4 amplifiers? 6114 
What Could use Improving at This Point? 6114 
The Milq’s MF front-end is done 6110 
Why I Let Other People Build Them, II 6110 
Define really quiet 6109 
Another variable of sound 6109 
Backlash? 6109 
Alternative filament supplies 6109 
I kind of faced a problem with AC 6109 
Going down the DC path 6108 
It is not about the “whole sound” but about “molec... 6108 
Molecular sound 6108 
AC-DC heater supply 6108 
The Tentlabs are $10 worth PS. 6108 
The unexpected resolution of AC vs. DC quandary. 6108 
The devil is less scared than it depicted. 6108 
Hiss or Hum 6108 
AC transformers 6108 
I have seen the Promised Land 6107 
OK, the choke noise is not a problem anymore 6107 
Ok, it is working fine but… 6106 
Divide and Conquer 6106 
The design phase is over. 6105 
The unexpected insanity! 6104 
Loading 6104 
Looking for inspiring ideas for 'universal' loadin... 6104 
A filaments Sherlock Holmes wanted. 6104 
Going the Distance 6104 
Read the f*** manual! 6104 
Agreed. 6104 
I agree 6104 
The filament transformer 6104 
Center-tap and options 6104 
Something like this…. 6104 
Avoiding "Dial-an-Amp" 6104 
The foreplay is going on. 6104 
Split balance 6103 
Further thoughts about my DH filaments 6103 
The Shuguang 2A3 tubes. 6103 
SHuguang 6103 
Going through…. 6102 
The 2.5V noise vs. 4V noise. 6101 
More about Shuguang 2A3C 6101 
Hum vs voltage 6101 
Meow about the tubes… 6101 
To Be a Content Cat 6101 
Completed! 6098 
Tradition 6098 
Absolutely beautiful! 6098 
The 'film' caps in PS 6097 
Science or religion 6097 
Mass Extinction 6097 
Electrolytics, technology and time 6097 
No more questions about PS capacitors. 6097 
Capacitor choices 6097 
Good time. Welcome back. Thanks God. 6096 
The minor day of Quartets. 6096 
Them's the Breaks 6096 
Eventually! 6095 
So Soon? 6095 
DHT MF channel and 6-ch amp: first conclusions 6095 
All Abuzz about Nothing 6094 
The wire for DC-coupling 6094 
The Dirt on DIY Backlash 6094 
DSET vs. the “better tubes”. 6094 
How to test the DH tubes properly? 6093 
Pairing up tubes for SE use 6092 
The DHT live reserve 6091 
Some interestng models 6091 
Eaten alive. 6091 
The tubey déjà vu? 6090 
The new concept of my output transformer. 6086 
The 4V takes a lead. 6082 
Listening the DH and the striped down version of M... 6079 
I kind of slowly learn what I need. 6079 
More HF from a transformer and DHT? 6077 
Since You Don't Need the Gain 6076 
Exiting the design mode? 6076 
Bye-bye the input divider on MF! 6076 
A few steps back and a gaint leap ahead. 6072 
Single-stage vs. DHT amp. 6071 
Setting up the new Playback 6070 
And the winner is… so far 6067 
If you like type 45... 6067 
Type 45... they're not all the same 6067 
Favorite Flavor? 6067 
The 45 times Meow... 6067 
The problem that I see is… 6067 
Running the 45 6067 
The 10Y...and bye bye Newton 6066 
The commentaries about everything. 6066 
Driver tube and biasing 6066 
DHT drivers 6066 
The ideas are worth trying? 6066 
A question about the polishing the things…. 6062 
The Particular Tube, I'm afraid... 6062 
Driving the 45... cathode first 6061 
ST or Globe; old or new... 6061 
Whatever sticks to the wall as an operation point ... 6061 
The attenuating crap in secondary. 6061 
Operating points and cathode current 6061 
The Burgeoning Opportunities! 6061 
Actually it is not so simple. 6061 
Resistors at the front 6060 
A minor alternation of a position 6060 
The era of enlightenment. 6057 
The devil is in the details.... 6057 
Constructing Sound 6057 
A new view on the DHT evaluation. 6056 
The “strange” YO186 6047 
The dead guy’s lessons. 6002 
2S4S and 2A3 5993 
Ho to use the YO186 5986 
YO 186 fundamental flavor 5986 
The YO-YO tube and "fundamentals" channel 5986 
The live without the YO186, again.... 5984 
Not anymore! 5973 
The very good YoYonisation! 5972 
….above and below two very clean channel. 5971 
The DHT and esoteric imaging deformation. 5958 
DHT, YO186, or??? 5958 
I had no idea how ‘different’ it is. 5905 
The Kazitsky Manufacturing and YO104, some history. 5904 
"Absolution and Eternal Refuge." 5901 
Sofia Electric Type 45 Mesh 5891 
The true association of YO186's Sounds. 5653 
All the Best from Burgundy 5653 
Cheesy tubes 5652 
Me and my DHT references… 5543 
Y0-186 in winter. 5446 
Y0-186 sounds like… 5445 
Rethinking the YO186 tube. 5414 
In My Dreams 5414 
Grunt from type 45? A ridicules comment. 5414 
Blame? 5413 
When good is not good enough. 5413 
45s, Drivers, and 45s 5413 
Hm, that was so simple after all! 5412 
How the YO186 was used. 4996 
What is old is new? 4995 
YO186 vs. type 45. 4994 
The YO186 is gone.... :-( 4543 
That sucks. 4543 
YO186 4541 
Hm, what the hell is going on? 4541 
I do not think that anybody but me would like YO186 4541 
A hallucination? 4538 
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