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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 6270 
One-stage Milq++ and the DHT's alleged tone 6269 
DHT Milq? 6269 
The DHT journey. 6269 
DHT tone 6269 
Well, why not? 6268 
Holding the Fort 6268 
My DHT experiment: Preface 6268 
Input tube and DC heaters 6267 
Reimyo Pat 777 6267 
My DHT experiment: Observations 6263 
DHT or 300B? 6263 
300B 6263 
Talking, perception and the grounds for objectively 6263 
The Wine Via the Wine Glass 6262 
Hence the confusion 6262 
My DHT experiment: some conclusions. 6262 
Reality Reconstruction is not a functionality. 6262 
My experience with DHTs 6262 
Pigmented coloration? 6262 
Dht-dht 6262 
Dynamic viscosity? 6262 
The Pallette preamp... 6262 
If one DHT is good, two must be better? 6262 
"soul" of tubes 6262 
There is a difference... 6262 
Vibration injection? 6262 
Homework # 4334 6262 
The 01A-71A-10Y-45 chain 6262 
Old valves have more soul! 6261 
Was it soul or soil? 6261 
It was just a heading 6261 
Adjustable color: TIMBRE LOCK? 6261 
Neutral or neutral/uncoloured? 6261 
..are lacking in power, dynamics and bandwidth. 6261 
Timbre-Lock. Not quite ready for prime time. 6261 
Injection of analog dither? 6261 
Subliminal signal 6261 
The idea of analog randomanization. 6261 
Okay, what Avicena Power Generator 6261 
I hope you will be hearing about it. 6260 
Avicenna = Arabian 6260 
Persian, not Arab 6260 
The “second solution” - a major disappointment 6260 
More words to describe "sux" please 6260 
Revolution 6260 
The non-melodramatic DHT? 6260 
One-stage DHTs 6259 
One other thing 6259 
One stage 6259 
Brewing, thinking and heating 6259 
Physical characteristics of electronic devices 6259 
I see the things differently. 6259 
Don't waste time being "creative" 6259 
The audiophile attitude 6259 
The where and why of design choices 6259 
Blah blah blah 6259 
Laconic Clarity vs. Comfort vs. Nostalgia 6259 
Do I need to be hissing? 6259 
...associated with lack of neutrality and colorati... 6259 
John Broskie's Partial feedback amplifier 6259 
Randomness vs. freedom and the Homework # 4334 6258 
What is randomness? 6258 
Those least three possibilities… 6258 
Randomness and Music's Prerogative 6258 
It works, … sort of. The revolution is canceled. 6258 
Thorsten Loesch’s article about DHT SETs 6256 
A Beautiful Mind 6255 
Some summary and conclusions from the first phase. 6253 
Second phase: revising requirement for my DHT objectives. 6238 
Tubes for your DHT amp 6238 
Abandoning Milq? 6238 
Will see how it goes.... 6238 
Single-stage Milq vs. Sun Audio VT-2A3 6236 
Topology and 2A3? 6236 
6SN7-2A3 amps? 6236 
Type Casting 6236 
Sun Audio SV-2A3 6236 
6sn7-2a3 6236 
Topology vs parts 6236 
For a DHT amp, you are listening to the power supply 6236 
The vintage tubes syndrome. 6236 
Parts Frenzy 6236 
Too many new sounds 6236 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6235 
New tubes 6234 
Milq bias vs. batery bias 6234 
The batteries are a tricky thing. 6234 
Swimming the ocean at night? 6234 
New 2A3 6234 
To kill of do not kill the capacitor. 6233 
The JJ Electronic amp. 6232 
JJ 2A3 and amp 6232 
Czech tubes 6230 
Single plated vs Double plated? 6230 
Mono plate 2A3 tubes 6230 
I suggested once VT52 tube 6229 
The 800R vs. 1800R vs. 5500R 6229 
YO-186 as the output tube. 6226 
Here she is. 6225 
Some talks about the new production tubes 6221 
New 2A3 tubes 6221 
Some thoughts about one-IHT vs. multiple-DHT 6221 
The Sun Audio with 6E5P 6220 
Multistage DHT circuits 6219 
Wrong tube or wrong topology – here is the question. 6218 
Emission Labs 2A3 6218 
Some comment and questions about then 2A3 talks. 6218 
Which Chinese 2A3? 6218 
OK, for a first time I like the San Audio Kit. 6218 
The YO186 Strip Show 6218 
More on the 2A3 comparisons 6217 
It will be interesting…. 6217 
OPT impedence 6217 
More about the Plate Loading 6217 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6212 
2A3 data 6212 
The New 2A3 tubes 6212 
How many stages I need for 110dB sensitivity, smal... 6212 
How many stages and why... and who makes that 45 o... 6211 
Everything about everything. 6211 
Some very good points... and... possibly more logi... 6211 
Options, options, options.... 6211 
I think we agree overall 6211 
An IDHT with more gain? 6210 
You don't ask for much now, eh? 6210 
2A3 tube impressions 6205 
Interesting analogy 6205 
NOS 2A3 tubes versus new tubes 6205 
Hmmm, let me try this one again... 6205 
Sylvania 2A3 identification 6205 
A picture is worth a thousand micromhos? 6205 
I have more interest in the period tubes 6205 
Why NOS tubes? 6204 
The Holly Ignorance 6204 
Tube tasting 6204 
The cathodes’ flatulence? 6204 
Make mine thoriated please 6204 
Any Germans out there? 6204 
6E5P VS 6E6P 6204 
Vibrations? What do you with them? 6204 
Vibration in tubes and sounds 6204 
UX4 vs UX4ruskie 6203 
Ringing the tubes? I do not know how about that. 6203 
Tube sound and vibration 6203 
The thoughts collection about YO186? 6197 
The lights look green for the YO tube 6196 
"Melquiades" with YO-186. Something like... 6196 
My version of RE-604 and PX4 6195 
The YO186 tube sockets. 6195 
B4/B5 British made 6194 
The YO186’s sockets and prices 6194 
DHT 2A3 amplifier rectification 6193 
My attitude toward tube rectification. 6193 
Tu-be or not Tu-be, seems Tu-be the question. 6192 
It looks like DHT DSET is shaping up. 6191 
The Sylvania 2A3 NOS report 6188 
The Citizen Kane syndrome. 6188 
Sylvania 2A3 in a World without Color 6187 
Are NOS and new manufacture comparing oranges to o... 6187 
That all is incorrect in a way…. 6187 
NOS vs new 2A3 tubes 6187 
The identical operation environment? 6187 
Preferred 2A3 operating point 6187 
The sound of the 2A3 however? 6187 
Circuit modification for 2A3 optimization 6186 
How to get max power from 2A3 6186 
2A3 voltages, loads and realized output power 6186 
Optimal operation of 2A3: an experiment 6186 
Tubes, Whole Circuits, Expectations and Sound 6186 
Gain is not power. 6186 
2A3 amplifier modification & Optimization 6186 
Specialized DSET approach 6186 
6C33/2A3 DSET? 6186 
SET usable power and making the most of it 6186 
The 2A3 loading 6186 
DSET solution for EdgarHorn? 6186 
Optimizing the 2A3 6186 
How much to DSET a DSET 6186 
DSET for Titan 6186 
The Best of All Worlds 6186 
Multiamp setup 6185 
Optimizing the (NOS) 2A3... "KM-style"? 6185 
There are many opportunities, it all depends what ... 6185 
Modifying amplifer to optimize NOS 2A3 performance 6185 
Conceptualizing Melquiades DSET is done 6179 
2A3 and 400V supply 6179 
Pudding and the chicken wires 6178 
Another shot at numbers 6178 
How to cook the "uninformed" anode. 6178 
Okay, so this might work.... 6178 
The DHT Milq DSET, the prebuilt draft. 6178 
Looks good, but.... 6177 
2A3 with slightly lover filament voltage? 6177 
Less is more... usually. 6177 
Where to burn gain? how? and where to get beter st... 6176 
Stepping Out 6176 
Said to be good, but 6176 
Gain to lose 6176 
Why nothing is simple with this damn amp! 6176 
Another idea for losing gain 6176 
What's best 6176 
Options, options... 6176 
Actually, it is not so bad. 6176 
Other compromises... 6175 
Cathode vs. fixed with DHT 6174 
Is it glowing yet? 6154 
It is comming.... 6154 
The new MF channel. 6148 
I started to work on the Milq’s DHT Island. 6147 
Innerstage loading vs. OPT loading. 6139 
The intestage loading talk. 6136 
My playback feels like it is broken. 6131 
1 in 50? 6131 
Yes, it was after PP2000 6131 
Die Walküre soldering. 6130 
The post Die Walküre soldering 6129 
Another amp arond YO186 6128 
Gain? 6128 
The Unexpected problem with DHT Milq. 6128 
Simple is good 6127 
Ok, I am moving forward. 6127 
The Milq DSET is up. 6126 
My DH DSET – 2 days later. 6124 
Here is more data to reconcile. 6124 
Hm, that is interesting and unpleasant so far. 6123 
Ok, what do I want? 6123 
Let Go of Some Conceptual "Restrictions"? 6123 
The Milq DH DSET, the further thoughts in progress. 6123 
Crunching Numbers; Shaping Sound 6123 
How about the tweeter? 6122 
Tweeter Efficiency? 6122 
Safe and Sound 6122 
More mystery with tweeter but still on the subject. 6122 
Some clarifications. 6122 
How about that?!!! 6122 
Further considerations: DC-coupling. 6120 
Head Room 6120 
To kill the mandatory 13dB 6119 
DC coupling and killing 13db and driving 6e5p miller and.... 6119 
I do not think that it might be damaging… 6119 
Again with the PS 6119 
AKA J.C. Morrison’s amp but… 6117 
Parallel Universe 6117 
Melquiades HD MF DSET, Draft13. 6115 
Why I let other people build them... 6115 
Ok, it's going to right direction. 6115 
Ok, it looks already very close…. 6114 
The Loftinish-Whitish, well sort of…. 6111 
MF: the pre-final version. 6111 
Loftin-White? 6111 
Did anyone hear the PX4 amplifiers? 6111 
What Could use Improving at This Point? 6111 
The Milq’s MF front-end is done 6107 
Why I Let Other People Build Them, II 6107 
Define really quiet 6106 
Another variable of sound 6106 
Backlash? 6106 
Alternative filament supplies 6106 
I kind of faced a problem with AC 6106 
Going down the DC path 6105 
It is not about the “whole sound” but about “molec... 6105 
Molecular sound 6105 
AC-DC heater supply 6105 
The Tentlabs are $10 worth PS. 6105 
The unexpected resolution of AC vs. DC quandary. 6105 
The devil is less scared than it depicted. 6105 
Hiss or Hum 6105 
AC transformers 6105 
I have seen the Promised Land 6104 
OK, the choke noise is not a problem anymore 6104 
Ok, it is working fine but… 6103 
Divide and Conquer 6103 
The design phase is over. 6102 
The unexpected insanity! 6101 
Loading 6101 
Looking for inspiring ideas for 'universal' loadin... 6101 
A filaments Sherlock Holmes wanted. 6101 
Going the Distance 6101 
Read the f*** manual! 6101 
Agreed. 6101 
I agree 6101 
The filament transformer 6101 
Center-tap and options 6101 
Something like this…. 6101 
Avoiding "Dial-an-Amp" 6101 
The foreplay is going on. 6101 
Split balance 6100 
Further thoughts about my DH filaments 6100 
The Shuguang 2A3 tubes. 6100 
SHuguang 6100 
Going through…. 6099 
The 2.5V noise vs. 4V noise. 6098 
More about Shuguang 2A3C 6098 
Hum vs voltage 6098 
Meow about the tubes… 6098 
To Be a Content Cat 6098 
Completed! 6095 
Tradition 6095 
Absolutely beautiful! 6095 
The 'film' caps in PS 6094 
Science or religion 6094 
Mass Extinction 6094 
Electrolytics, technology and time 6094 
No more questions about PS capacitors. 6094 
Capacitor choices 6094 
Good time. Welcome back. Thanks God. 6093 
The minor day of Quartets. 6093 
Them's the Breaks 6093 
Eventually! 6092 
So Soon? 6092 
DHT MF channel and 6-ch amp: first conclusions 6092 
All Abuzz about Nothing 6091 
The wire for DC-coupling 6091 
The Dirt on DIY Backlash 6091 
DSET vs. the “better tubes”. 6091 
How to test the DH tubes properly? 6090 
Pairing up tubes for SE use 6089 
The DHT live reserve 6088 
Some interestng models 6088 
Eaten alive. 6088 
The tubey déjà vu? 6087 
The new concept of my output transformer. 6083 
The 4V takes a lead. 6079 
Listening the DH and the striped down version of M... 6076 
I kind of slowly learn what I need. 6076 
More HF from a transformer and DHT? 6074 
Since You Don't Need the Gain 6073 
Exiting the design mode? 6073 
Bye-bye the input divider on MF! 6073 
A few steps back and a gaint leap ahead. 6069 
Single-stage vs. DHT amp. 6068 
Setting up the new Playback 6067 
And the winner is… so far 6064 
If you like type 45... 6064 
Type 45... they're not all the same 6064 
Favorite Flavor? 6064 
The 45 times Meow... 6064 
The problem that I see is… 6064 
Running the 45 6064 
The 10Y...and bye bye Newton 6063 
The commentaries about everything. 6063 
Driver tube and biasing 6063 
DHT drivers 6063 
The ideas are worth trying? 6063 
A question about the polishing the things…. 6059 
The Particular Tube, I'm afraid... 6059 
Driving the 45... cathode first 6058 
ST or Globe; old or new... 6058 
Whatever sticks to the wall as an operation point ... 6058 
The attenuating crap in secondary. 6058 
Operating points and cathode current 6058 
The Burgeoning Opportunities! 6058 
Actually it is not so simple. 6058 
Resistors at the front 6057 
A minor alternation of a position 6057 
The era of enlightenment. 6054 
The devil is in the details.... 6054 
Constructing Sound 6054 
A new view on the DHT evaluation. 6053 
The “strange” YO186 6044 
The dead guy’s lessons. 5999 
2S4S and 2A3 5990 
Ho to use the YO186 5983 
YO 186 fundamental flavor 5983 
The YO-YO tube and "fundamentals" channel 5983 
The live without the YO186, again.... 5981 
Not anymore! 5970 
The very good YoYonisation! 5969 
….above and below two very clean channel. 5968 
The DHT and esoteric imaging deformation. 5955 
DHT, YO186, or??? 5955 
I had no idea how ‘different’ it is. 5902 
The Kazitsky Manufacturing and YO104, some history. 5901 
"Absolution and Eternal Refuge." 5898 
Sofia Electric Type 45 Mesh 5888 
The true association of YO186's Sounds. 5650 
All the Best from Burgundy 5650 
Cheesy tubes 5649 
Me and my DHT references… 5540 
Y0-186 in winter. 5443 
Y0-186 sounds like… 5442 
Rethinking the YO186 tube. 5411 
In My Dreams 5411 
Grunt from type 45? A ridicules comment. 5411 
Blame? 5410 
When good is not good enough. 5410 
45s, Drivers, and 45s 5410 
Hm, that was so simple after all! 5409 
How the YO186 was used. 4993 
What is old is new? 4992 
YO186 vs. type 45. 4991 
The YO186 is gone.... :-( 4540 
That sucks. 4540 
YO186 4538 
Hm, what the hell is going on? 4538 
I do not think that anybody but me would like YO186 4538 
A hallucination? 4535 
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