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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 6268 
One-stage Milq++ and the DHT's alleged tone 6267 
DHT Milq? 6267 
The DHT journey. 6267 
DHT tone 6267 
Well, why not? 6266 
Holding the Fort 6266 
My DHT experiment: Preface 6266 
Input tube and DC heaters 6265 
Reimyo Pat 777 6265 
My DHT experiment: Observations 6261 
DHT or 300B? 6261 
300B 6261 
Talking, perception and the grounds for objectively 6261 
The Wine Via the Wine Glass 6260 
Hence the confusion 6260 
My DHT experiment: some conclusions. 6260 
Reality Reconstruction is not a functionality. 6260 
My experience with DHTs 6260 
Pigmented coloration? 6260 
Dht-dht 6260 
Dynamic viscosity? 6260 
The Pallette preamp... 6260 
If one DHT is good, two must be better? 6260 
"soul" of tubes 6260 
There is a difference... 6260 
Vibration injection? 6260 
Homework # 4334 6260 
The 01A-71A-10Y-45 chain 6260 
Old valves have more soul! 6259 
Was it soul or soil? 6259 
It was just a heading 6259 
Adjustable color: TIMBRE LOCK? 6259 
Neutral or neutral/uncoloured? 6259 
..are lacking in power, dynamics and bandwidth. 6259 
Timbre-Lock. Not quite ready for prime time. 6259 
Injection of analog dither? 6259 
Subliminal signal 6259 
The idea of analog randomanization. 6259 
Okay, what Avicena Power Generator 6259 
I hope you will be hearing about it. 6258 
Avicenna = Arabian 6258 
Persian, not Arab 6258 
The “second solution” - a major disappointment 6258 
More words to describe "sux" please 6258 
Revolution 6258 
The non-melodramatic DHT? 6258 
One-stage DHTs 6257 
One other thing 6257 
One stage 6257 
Brewing, thinking and heating 6257 
Physical characteristics of electronic devices 6257 
I see the things differently. 6257 
Don't waste time being "creative" 6257 
The audiophile attitude 6257 
The where and why of design choices 6257 
Blah blah blah 6257 
Laconic Clarity vs. Comfort vs. Nostalgia 6257 
Do I need to be hissing? 6257 
...associated with lack of neutrality and colorati... 6257 
John Broskie's Partial feedback amplifier 6257 
Randomness vs. freedom and the Homework # 4334 6256 
What is randomness? 6256 
Those least three possibilities… 6256 
Randomness and Music's Prerogative 6256 
It works, … sort of. The revolution is canceled. 6256 
Thorsten Loesch’s article about DHT SETs 6254 
A Beautiful Mind 6253 
Some summary and conclusions from the first phase. 6251 
Second phase: revising requirement for my DHT objectives. 6236 
Tubes for your DHT amp 6236 
Abandoning Milq? 6236 
Will see how it goes.... 6236 
Single-stage Milq vs. Sun Audio VT-2A3 6234 
Topology and 2A3? 6234 
6SN7-2A3 amps? 6234 
Type Casting 6234 
Sun Audio SV-2A3 6234 
6sn7-2a3 6234 
Topology vs parts 6234 
For a DHT amp, you are listening to the power supply 6234 
The vintage tubes syndrome. 6234 
Parts Frenzy 6234 
Too many new sounds 6234 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6233 
New tubes 6232 
Milq bias vs. batery bias 6232 
The batteries are a tricky thing. 6232 
Swimming the ocean at night? 6232 
New 2A3 6232 
To kill of do not kill the capacitor. 6231 
The JJ Electronic amp. 6230 
JJ 2A3 and amp 6230 
Czech tubes 6228 
Single plated vs Double plated? 6228 
Mono plate 2A3 tubes 6228 
I suggested once VT52 tube 6227 
The 800R vs. 1800R vs. 5500R 6227 
YO-186 as the output tube. 6224 
Here she is. 6223 
Some talks about the new production tubes 6219 
New 2A3 tubes 6219 
Some thoughts about one-IHT vs. multiple-DHT 6219 
The Sun Audio with 6E5P 6218 
Multistage DHT circuits 6217 
Wrong tube or wrong topology – here is the question. 6216 
Emission Labs 2A3 6216 
Some comment and questions about then 2A3 talks. 6216 
Which Chinese 2A3? 6216 
OK, for a first time I like the San Audio Kit. 6216 
The YO186 Strip Show 6216 
More on the 2A3 comparisons 6215 
It will be interesting…. 6215 
OPT impedence 6215 
More about the Plate Loading 6215 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6210 
2A3 data 6210 
The New 2A3 tubes 6210 
How many stages I need for 110dB sensitivity, smal... 6210 
How many stages and why... and who makes that 45 o... 6209 
Everything about everything. 6209 
Some very good points... and... possibly more logi... 6209 
Options, options, options.... 6209 
I think we agree overall 6209 
An IDHT with more gain? 6208 
You don't ask for much now, eh? 6208 
2A3 tube impressions 6203 
Interesting analogy 6203 
NOS 2A3 tubes versus new tubes 6203 
Hmmm, let me try this one again... 6203 
Sylvania 2A3 identification 6203 
A picture is worth a thousand micromhos? 6203 
I have more interest in the period tubes 6203 
Why NOS tubes? 6202 
The Holly Ignorance 6202 
Tube tasting 6202 
The cathodes’ flatulence? 6202 
Make mine thoriated please 6202 
Any Germans out there? 6202 
6E5P VS 6E6P 6202 
Vibrations? What do you with them? 6202 
Vibration in tubes and sounds 6202 
UX4 vs UX4ruskie 6201 
Ringing the tubes? I do not know how about that. 6201 
Tube sound and vibration 6201 
The thoughts collection about YO186? 6195 
The lights look green for the YO tube 6194 
"Melquiades" with YO-186. Something like... 6194 
My version of RE-604 and PX4 6193 
The YO186 tube sockets. 6193 
B4/B5 British made 6192 
The YO186’s sockets and prices 6192 
DHT 2A3 amplifier rectification 6191 
My attitude toward tube rectification. 6191 
Tu-be or not Tu-be, seems Tu-be the question. 6190 
It looks like DHT DSET is shaping up. 6189 
The Sylvania 2A3 NOS report 6186 
The Citizen Kane syndrome. 6186 
Sylvania 2A3 in a World without Color 6185 
Are NOS and new manufacture comparing oranges to o... 6185 
That all is incorrect in a way…. 6185 
NOS vs new 2A3 tubes 6185 
The identical operation environment? 6185 
Preferred 2A3 operating point 6185 
The sound of the 2A3 however? 6185 
Circuit modification for 2A3 optimization 6184 
How to get max power from 2A3 6184 
2A3 voltages, loads and realized output power 6184 
Optimal operation of 2A3: an experiment 6184 
Tubes, Whole Circuits, Expectations and Sound 6184 
Gain is not power. 6184 
2A3 amplifier modification & Optimization 6184 
Specialized DSET approach 6184 
6C33/2A3 DSET? 6184 
SET usable power and making the most of it 6184 
The 2A3 loading 6184 
DSET solution for EdgarHorn? 6184 
Optimizing the 2A3 6184 
How much to DSET a DSET 6184 
DSET for Titan 6184 
The Best of All Worlds 6184 
Multiamp setup 6183 
Optimizing the (NOS) 2A3... "KM-style"? 6183 
There are many opportunities, it all depends what ... 6183 
Modifying amplifer to optimize NOS 2A3 performance 6183 
Conceptualizing Melquiades DSET is done 6177 
2A3 and 400V supply 6177 
Pudding and the chicken wires 6176 
Another shot at numbers 6176 
How to cook the "uninformed" anode. 6176 
Okay, so this might work.... 6176 
The DHT Milq DSET, the prebuilt draft. 6176 
Looks good, but.... 6175 
2A3 with slightly lover filament voltage? 6175 
Less is more... usually. 6175 
Where to burn gain? how? and where to get beter st... 6174 
Stepping Out 6174 
Said to be good, but 6174 
Gain to lose 6174 
Why nothing is simple with this damn amp! 6174 
Another idea for losing gain 6174 
What's best 6174 
Options, options... 6174 
Actually, it is not so bad. 6174 
Other compromises... 6173 
Cathode vs. fixed with DHT 6172 
Is it glowing yet? 6152 
It is comming.... 6152 
The new MF channel. 6146 
I started to work on the Milq’s DHT Island. 6145 
Innerstage loading vs. OPT loading. 6137 
The intestage loading talk. 6134 
My playback feels like it is broken. 6129 
1 in 50? 6129 
Yes, it was after PP2000 6129 
Die Walküre soldering. 6128 
The post Die Walküre soldering 6127 
Another amp arond YO186 6126 
Gain? 6126 
The Unexpected problem with DHT Milq. 6126 
Simple is good 6125 
Ok, I am moving forward. 6125 
The Milq DSET is up. 6124 
My DH DSET – 2 days later. 6122 
Here is more data to reconcile. 6122 
Hm, that is interesting and unpleasant so far. 6121 
Ok, what do I want? 6121 
Let Go of Some Conceptual "Restrictions"? 6121 
The Milq DH DSET, the further thoughts in progress. 6121 
Crunching Numbers; Shaping Sound 6121 
How about the tweeter? 6120 
Tweeter Efficiency? 6120 
Safe and Sound 6120 
More mystery with tweeter but still on the subject. 6120 
Some clarifications. 6120 
How about that?!!! 6120 
Further considerations: DC-coupling. 6118 
Head Room 6118 
To kill the mandatory 13dB 6117 
DC coupling and killing 13db and driving 6e5p miller and.... 6117 
I do not think that it might be damaging… 6117 
Again with the PS 6117 
AKA J.C. Morrison’s amp but… 6115 
Parallel Universe 6115 
Melquiades HD MF DSET, Draft13. 6113 
Why I let other people build them... 6113 
Ok, it's going to right direction. 6113 
Ok, it looks already very close…. 6112 
The Loftinish-Whitish, well sort of…. 6109 
MF: the pre-final version. 6109 
Loftin-White? 6109 
Did anyone hear the PX4 amplifiers? 6109 
What Could use Improving at This Point? 6109 
The Milq’s MF front-end is done 6105 
Why I Let Other People Build Them, II 6105 
Define really quiet 6104 
Another variable of sound 6104 
Backlash? 6104 
Alternative filament supplies 6104 
I kind of faced a problem with AC 6104 
Going down the DC path 6103 
It is not about the “whole sound” but about “molec... 6103 
Molecular sound 6103 
AC-DC heater supply 6103 
The Tentlabs are $10 worth PS. 6103 
The unexpected resolution of AC vs. DC quandary. 6103 
The devil is less scared than it depicted. 6103 
Hiss or Hum 6103 
AC transformers 6103 
I have seen the Promised Land 6102 
OK, the choke noise is not a problem anymore 6102 
Ok, it is working fine but… 6101 
Divide and Conquer 6101 
The design phase is over. 6100 
The unexpected insanity! 6099 
Loading 6099 
Looking for inspiring ideas for 'universal' loadin... 6099 
A filaments Sherlock Holmes wanted. 6099 
Going the Distance 6099 
Read the f*** manual! 6099 
Agreed. 6099 
I agree 6099 
The filament transformer 6099 
Center-tap and options 6099 
Something like this…. 6099 
Avoiding "Dial-an-Amp" 6099 
The foreplay is going on. 6099 
Split balance 6098 
Further thoughts about my DH filaments 6098 
The Shuguang 2A3 tubes. 6098 
SHuguang 6098 
Going through…. 6097 
The 2.5V noise vs. 4V noise. 6096 
More about Shuguang 2A3C 6096 
Hum vs voltage 6096 
Meow about the tubes… 6096 
To Be a Content Cat 6096 
Completed! 6093 
Tradition 6093 
Absolutely beautiful! 6093 
The 'film' caps in PS 6092 
Science or religion 6092 
Mass Extinction 6092 
Electrolytics, technology and time 6092 
No more questions about PS capacitors. 6092 
Capacitor choices 6092 
Good time. Welcome back. Thanks God. 6091 
The minor day of Quartets. 6091 
Them's the Breaks 6091 
Eventually! 6090 
So Soon? 6090 
DHT MF channel and 6-ch amp: first conclusions 6090 
All Abuzz about Nothing 6089 
The wire for DC-coupling 6089 
The Dirt on DIY Backlash 6089 
DSET vs. the “better tubes”. 6089 
How to test the DH tubes properly? 6088 
Pairing up tubes for SE use 6087 
The DHT live reserve 6086 
Some interestng models 6086 
Eaten alive. 6086 
The tubey déjà vu? 6085 
The new concept of my output transformer. 6081 
The 4V takes a lead. 6077 
Listening the DH and the striped down version of M... 6074 
I kind of slowly learn what I need. 6074 
More HF from a transformer and DHT? 6072 
Since You Don't Need the Gain 6071 
Exiting the design mode? 6071 
Bye-bye the input divider on MF! 6071 
A few steps back and a gaint leap ahead. 6067 
Single-stage vs. DHT amp. 6066 
Setting up the new Playback 6065 
And the winner is… so far 6062 
If you like type 45... 6062 
Type 45... they're not all the same 6062 
Favorite Flavor? 6062 
The 45 times Meow... 6062 
The problem that I see is… 6062 
Running the 45 6062 
The 10Y...and bye bye Newton 6061 
The commentaries about everything. 6061 
Driver tube and biasing 6061 
DHT drivers 6061 
The ideas are worth trying? 6061 
A question about the polishing the things…. 6057 
The Particular Tube, I'm afraid... 6057 
Driving the 45... cathode first 6056 
ST or Globe; old or new... 6056 
Whatever sticks to the wall as an operation point ... 6056 
The attenuating crap in secondary. 6056 
Operating points and cathode current 6056 
The Burgeoning Opportunities! 6056 
Actually it is not so simple. 6056 
Resistors at the front 6055 
A minor alternation of a position 6055 
The era of enlightenment. 6052 
The devil is in the details.... 6052 
Constructing Sound 6052 
A new view on the DHT evaluation. 6051 
The “strange” YO186 6042 
The dead guy’s lessons. 5997 
2S4S and 2A3 5988 
Ho to use the YO186 5981 
YO 186 fundamental flavor 5981 
The YO-YO tube and "fundamentals" channel 5981 
The live without the YO186, again.... 5979 
Not anymore! 5968 
The very good YoYonisation! 5967 
….above and below two very clean channel. 5966 
The DHT and esoteric imaging deformation. 5953 
DHT, YO186, or??? 5953 
I had no idea how ‘different’ it is. 5900 
The Kazitsky Manufacturing and YO104, some history. 5899 
"Absolution and Eternal Refuge." 5896 
Sofia Electric Type 45 Mesh 5886 
The true association of YO186's Sounds. 5648 
All the Best from Burgundy 5648 
Cheesy tubes 5647 
Me and my DHT references… 5538 
Y0-186 in winter. 5441 
Y0-186 sounds like… 5440 
Rethinking the YO186 tube. 5409 
In My Dreams 5409 
Grunt from type 45? A ridicules comment. 5409 
Blame? 5408 
When good is not good enough. 5408 
45s, Drivers, and 45s 5408 
Hm, that was so simple after all! 5407 
How the YO186 was used. 4991 
What is old is new? 4990 
YO186 vs. type 45. 4989 
The YO186 is gone.... :-( 4538 
That sucks. 4538 
YO186 4536 
Hm, what the hell is going on? 4536 
I do not think that anybody but me would like YO186 4536 
A hallucination? 4533 
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