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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 6271 
One-stage Milq++ and the DHT's alleged tone 6270 
DHT Milq? 6270 
The DHT journey. 6270 
DHT tone 6270 
Well, why not? 6269 
Holding the Fort 6269 
My DHT experiment: Preface 6269 
Input tube and DC heaters 6268 
Reimyo Pat 777 6268 
My DHT experiment: Observations 6264 
DHT or 300B? 6264 
300B 6264 
Talking, perception and the grounds for objectively 6264 
The Wine Via the Wine Glass 6263 
Hence the confusion 6263 
My DHT experiment: some conclusions. 6263 
Reality Reconstruction is not a functionality. 6263 
My experience with DHTs 6263 
Pigmented coloration? 6263 
Dht-dht 6263 
Dynamic viscosity? 6263 
The Pallette preamp... 6263 
If one DHT is good, two must be better? 6263 
"soul" of tubes 6263 
There is a difference... 6263 
Vibration injection? 6263 
Homework # 4334 6263 
The 01A-71A-10Y-45 chain 6263 
Old valves have more soul! 6262 
Was it soul or soil? 6262 
It was just a heading 6262 
Adjustable color: TIMBRE LOCK? 6262 
Neutral or neutral/uncoloured? 6262 
..are lacking in power, dynamics and bandwidth. 6262 
Timbre-Lock. Not quite ready for prime time. 6262 
Injection of analog dither? 6262 
Subliminal signal 6262 
The idea of analog randomanization. 6262 
Okay, what Avicena Power Generator 6262 
I hope you will be hearing about it. 6261 
Avicenna = Arabian 6261 
Persian, not Arab 6261 
The “second solution” - a major disappointment 6261 
More words to describe "sux" please 6261 
Revolution 6261 
The non-melodramatic DHT? 6261 
One-stage DHTs 6260 
One other thing 6260 
One stage 6260 
Brewing, thinking and heating 6260 
Physical characteristics of electronic devices 6260 
I see the things differently. 6260 
Don't waste time being "creative" 6260 
The audiophile attitude 6260 
The where and why of design choices 6260 
Blah blah blah 6260 
Laconic Clarity vs. Comfort vs. Nostalgia 6260 
Do I need to be hissing? 6260 
...associated with lack of neutrality and colorati... 6260 
John Broskie's Partial feedback amplifier 6260 
Randomness vs. freedom and the Homework # 4334 6259 
What is randomness? 6259 
Those least three possibilities… 6259 
Randomness and Music's Prerogative 6259 
It works, … sort of. The revolution is canceled. 6259 
Thorsten Loesch’s article about DHT SETs 6257 
A Beautiful Mind 6256 
Some summary and conclusions from the first phase. 6254 
Second phase: revising requirement for my DHT objectives. 6239 
Tubes for your DHT amp 6239 
Abandoning Milq? 6239 
Will see how it goes.... 6239 
Single-stage Milq vs. Sun Audio VT-2A3 6237 
Topology and 2A3? 6237 
6SN7-2A3 amps? 6237 
Type Casting 6237 
Sun Audio SV-2A3 6237 
6sn7-2a3 6237 
Topology vs parts 6237 
For a DHT amp, you are listening to the power supply 6237 
The vintage tubes syndrome. 6237 
Parts Frenzy 6237 
Too many new sounds 6237 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6236 
New tubes 6235 
Milq bias vs. batery bias 6235 
The batteries are a tricky thing. 6235 
Swimming the ocean at night? 6235 
New 2A3 6235 
To kill of do not kill the capacitor. 6234 
The JJ Electronic amp. 6233 
JJ 2A3 and amp 6233 
Czech tubes 6231 
Single plated vs Double plated? 6231 
Mono plate 2A3 tubes 6231 
I suggested once VT52 tube 6230 
The 800R vs. 1800R vs. 5500R 6230 
YO-186 as the output tube. 6227 
Here she is. 6226 
Some talks about the new production tubes 6222 
New 2A3 tubes 6222 
Some thoughts about one-IHT vs. multiple-DHT 6222 
The Sun Audio with 6E5P 6221 
Multistage DHT circuits 6220 
Wrong tube or wrong topology – here is the question. 6219 
Emission Labs 2A3 6219 
Some comment and questions about then 2A3 talks. 6219 
Which Chinese 2A3? 6219 
OK, for a first time I like the San Audio Kit. 6219 
The YO186 Strip Show 6219 
More on the 2A3 comparisons 6218 
It will be interesting…. 6218 
OPT impedence 6218 
More about the Plate Loading 6218 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6213 
2A3 data 6213 
The New 2A3 tubes 6213 
How many stages I need for 110dB sensitivity, smal... 6213 
How many stages and why... and who makes that 45 o... 6212 
Everything about everything. 6212 
Some very good points... and... possibly more logi... 6212 
Options, options, options.... 6212 
I think we agree overall 6212 
An IDHT with more gain? 6211 
You don't ask for much now, eh? 6211 
2A3 tube impressions 6206 
Interesting analogy 6206 
NOS 2A3 tubes versus new tubes 6206 
Hmmm, let me try this one again... 6206 
Sylvania 2A3 identification 6206 
A picture is worth a thousand micromhos? 6206 
I have more interest in the period tubes 6206 
Why NOS tubes? 6205 
The Holly Ignorance 6205 
Tube tasting 6205 
The cathodes’ flatulence? 6205 
Make mine thoriated please 6205 
Any Germans out there? 6205 
6E5P VS 6E6P 6205 
Vibrations? What do you with them? 6205 
Vibration in tubes and sounds 6205 
UX4 vs UX4ruskie 6204 
Ringing the tubes? I do not know how about that. 6204 
Tube sound and vibration 6204 
The thoughts collection about YO186? 6198 
The lights look green for the YO tube 6197 
"Melquiades" with YO-186. Something like... 6197 
My version of RE-604 and PX4 6196 
The YO186 tube sockets. 6196 
B4/B5 British made 6195 
The YO186’s sockets and prices 6195 
DHT 2A3 amplifier rectification 6194 
My attitude toward tube rectification. 6194 
Tu-be or not Tu-be, seems Tu-be the question. 6193 
It looks like DHT DSET is shaping up. 6192 
The Sylvania 2A3 NOS report 6189 
The Citizen Kane syndrome. 6189 
Sylvania 2A3 in a World without Color 6188 
Are NOS and new manufacture comparing oranges to o... 6188 
That all is incorrect in a way…. 6188 
NOS vs new 2A3 tubes 6188 
The identical operation environment? 6188 
Preferred 2A3 operating point 6188 
The sound of the 2A3 however? 6188 
Circuit modification for 2A3 optimization 6187 
How to get max power from 2A3 6187 
2A3 voltages, loads and realized output power 6187 
Optimal operation of 2A3: an experiment 6187 
Tubes, Whole Circuits, Expectations and Sound 6187 
Gain is not power. 6187 
2A3 amplifier modification & Optimization 6187 
Specialized DSET approach 6187 
6C33/2A3 DSET? 6187 
SET usable power and making the most of it 6187 
The 2A3 loading 6187 
DSET solution for EdgarHorn? 6187 
Optimizing the 2A3 6187 
How much to DSET a DSET 6187 
DSET for Titan 6187 
The Best of All Worlds 6187 
Multiamp setup 6186 
Optimizing the (NOS) 2A3... "KM-style"? 6186 
There are many opportunities, it all depends what ... 6186 
Modifying amplifer to optimize NOS 2A3 performance 6186 
Conceptualizing Melquiades DSET is done 6180 
2A3 and 400V supply 6180 
Pudding and the chicken wires 6179 
Another shot at numbers 6179 
How to cook the "uninformed" anode. 6179 
Okay, so this might work.... 6179 
The DHT Milq DSET, the prebuilt draft. 6179 
Looks good, but.... 6178 
2A3 with slightly lover filament voltage? 6178 
Less is more... usually. 6178 
Where to burn gain? how? and where to get beter st... 6177 
Stepping Out 6177 
Said to be good, but 6177 
Gain to lose 6177 
Why nothing is simple with this damn amp! 6177 
Another idea for losing gain 6177 
What's best 6177 
Options, options... 6177 
Actually, it is not so bad. 6177 
Other compromises... 6176 
Cathode vs. fixed with DHT 6175 
Is it glowing yet? 6155 
It is comming.... 6155 
The new MF channel. 6149 
I started to work on the Milq’s DHT Island. 6148 
Innerstage loading vs. OPT loading. 6140 
The intestage loading talk. 6137 
My playback feels like it is broken. 6132 
1 in 50? 6132 
Yes, it was after PP2000 6132 
Die Walküre soldering. 6131 
The post Die Walküre soldering 6130 
Another amp arond YO186 6129 
Gain? 6129 
The Unexpected problem with DHT Milq. 6129 
Simple is good 6128 
Ok, I am moving forward. 6128 
The Milq DSET is up. 6127 
My DH DSET – 2 days later. 6125 
Here is more data to reconcile. 6125 
Hm, that is interesting and unpleasant so far. 6124 
Ok, what do I want? 6124 
Let Go of Some Conceptual "Restrictions"? 6124 
The Milq DH DSET, the further thoughts in progress. 6124 
Crunching Numbers; Shaping Sound 6124 
How about the tweeter? 6123 
Tweeter Efficiency? 6123 
Safe and Sound 6123 
More mystery with tweeter but still on the subject. 6123 
Some clarifications. 6123 
How about that?!!! 6123 
Further considerations: DC-coupling. 6121 
Head Room 6121 
To kill the mandatory 13dB 6120 
DC coupling and killing 13db and driving 6e5p miller and.... 6120 
I do not think that it might be damaging… 6120 
Again with the PS 6120 
AKA J.C. Morrison’s amp but… 6118 
Parallel Universe 6118 
Melquiades HD MF DSET, Draft13. 6116 
Why I let other people build them... 6116 
Ok, it's going to right direction. 6116 
Ok, it looks already very close…. 6115 
The Loftinish-Whitish, well sort of…. 6112 
MF: the pre-final version. 6112 
Loftin-White? 6112 
Did anyone hear the PX4 amplifiers? 6112 
What Could use Improving at This Point? 6112 
The Milq’s MF front-end is done 6108 
Why I Let Other People Build Them, II 6108 
Define really quiet 6107 
Another variable of sound 6107 
Backlash? 6107 
Alternative filament supplies 6107 
I kind of faced a problem with AC 6107 
Going down the DC path 6106 
It is not about the “whole sound” but about “molec... 6106 
Molecular sound 6106 
AC-DC heater supply 6106 
The Tentlabs are $10 worth PS. 6106 
The unexpected resolution of AC vs. DC quandary. 6106 
The devil is less scared than it depicted. 6106 
Hiss or Hum 6106 
AC transformers 6106 
I have seen the Promised Land 6105 
OK, the choke noise is not a problem anymore 6105 
Ok, it is working fine but… 6104 
Divide and Conquer 6104 
The design phase is over. 6103 
The unexpected insanity! 6102 
Loading 6102 
Looking for inspiring ideas for 'universal' loadin... 6102 
A filaments Sherlock Holmes wanted. 6102 
Going the Distance 6102 
Read the f*** manual! 6102 
Agreed. 6102 
I agree 6102 
The filament transformer 6102 
Center-tap and options 6102 
Something like this…. 6102 
Avoiding "Dial-an-Amp" 6102 
The foreplay is going on. 6102 
Split balance 6101 
Further thoughts about my DH filaments 6101 
The Shuguang 2A3 tubes. 6101 
SHuguang 6101 
Going through…. 6100 
The 2.5V noise vs. 4V noise. 6099 
More about Shuguang 2A3C 6099 
Hum vs voltage 6099 
Meow about the tubes… 6099 
To Be a Content Cat 6099 
Completed! 6096 
Tradition 6096 
Absolutely beautiful! 6096 
The 'film' caps in PS 6095 
Science or religion 6095 
Mass Extinction 6095 
Electrolytics, technology and time 6095 
No more questions about PS capacitors. 6095 
Capacitor choices 6095 
Good time. Welcome back. Thanks God. 6094 
The minor day of Quartets. 6094 
Them's the Breaks 6094 
Eventually! 6093 
So Soon? 6093 
DHT MF channel and 6-ch amp: first conclusions 6093 
All Abuzz about Nothing 6092 
The wire for DC-coupling 6092 
The Dirt on DIY Backlash 6092 
DSET vs. the “better tubes”. 6092 
How to test the DH tubes properly? 6091 
Pairing up tubes for SE use 6090 
The DHT live reserve 6089 
Some interestng models 6089 
Eaten alive. 6089 
The tubey déjà vu? 6088 
The new concept of my output transformer. 6084 
The 4V takes a lead. 6080 
Listening the DH and the striped down version of M... 6077 
I kind of slowly learn what I need. 6077 
More HF from a transformer and DHT? 6075 
Since You Don't Need the Gain 6074 
Exiting the design mode? 6074 
Bye-bye the input divider on MF! 6074 
A few steps back and a gaint leap ahead. 6070 
Single-stage vs. DHT amp. 6069 
Setting up the new Playback 6068 
And the winner is… so far 6065 
If you like type 45... 6065 
Type 45... they're not all the same 6065 
Favorite Flavor? 6065 
The 45 times Meow... 6065 
The problem that I see is… 6065 
Running the 45 6065 
The 10Y...and bye bye Newton 6064 
The commentaries about everything. 6064 
Driver tube and biasing 6064 
DHT drivers 6064 
The ideas are worth trying? 6064 
A question about the polishing the things…. 6060 
The Particular Tube, I'm afraid... 6060 
Driving the 45... cathode first 6059 
ST or Globe; old or new... 6059 
Whatever sticks to the wall as an operation point ... 6059 
The attenuating crap in secondary. 6059 
Operating points and cathode current 6059 
The Burgeoning Opportunities! 6059 
Actually it is not so simple. 6059 
Resistors at the front 6058 
A minor alternation of a position 6058 
The era of enlightenment. 6055 
The devil is in the details.... 6055 
Constructing Sound 6055 
A new view on the DHT evaluation. 6054 
The “strange” YO186 6045 
The dead guy’s lessons. 6000 
2S4S and 2A3 5991 
Ho to use the YO186 5984 
YO 186 fundamental flavor 5984 
The YO-YO tube and "fundamentals" channel 5984 
The live without the YO186, again.... 5982 
Not anymore! 5971 
The very good YoYonisation! 5970 
….above and below two very clean channel. 5969 
The DHT and esoteric imaging deformation. 5956 
DHT, YO186, or??? 5956 
I had no idea how ‘different’ it is. 5903 
The Kazitsky Manufacturing and YO104, some history. 5902 
"Absolution and Eternal Refuge." 5899 
Sofia Electric Type 45 Mesh 5889 
The true association of YO186's Sounds. 5651 
All the Best from Burgundy 5651 
Cheesy tubes 5650 
Me and my DHT references… 5541 
Y0-186 in winter. 5444 
Y0-186 sounds like… 5443 
Rethinking the YO186 tube. 5412 
In My Dreams 5412 
Grunt from type 45? A ridicules comment. 5412 
Blame? 5411 
When good is not good enough. 5411 
45s, Drivers, and 45s 5411 
Hm, that was so simple after all! 5410 
How the YO186 was used. 4994 
What is old is new? 4993 
YO186 vs. type 45. 4992 
The YO186 is gone.... :-( 4541 
That sucks. 4541 
YO186 4539 
Hm, what the hell is going on? 4539 
I do not think that anybody but me would like YO186 4539 
A hallucination? 4536 
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