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Site News: 17 May 2026

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Romy The Cat's Playback
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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 6440 
One-stage Milq++ and the DHT's alleged tone 6439 
DHT Milq? 6439 
The DHT journey. 6439 
DHT tone 6439 
Well, why not? 6438 
Holding the Fort 6438 
My DHT experiment: Preface 6438 
Input tube and DC heaters 6437 
Reimyo Pat 777 6437 
My DHT experiment: Observations 6433 
DHT or 300B? 6433 
300B 6433 
Talking, perception and the grounds for objectively 6433 
The Wine Via the Wine Glass 6432 
Hence the confusion 6432 
My DHT experiment: some conclusions. 6432 
Reality Reconstruction is not a functionality. 6432 
My experience with DHTs 6432 
Pigmented coloration? 6432 
Dht-dht 6432 
Dynamic viscosity? 6432 
The Pallette preamp... 6432 
If one DHT is good, two must be better? 6432 
"soul" of tubes 6432 
There is a difference... 6432 
Vibration injection? 6432 
Homework # 4334 6432 
The 01A-71A-10Y-45 chain 6432 
Old valves have more soul! 6431 
Was it soul or soil? 6431 
It was just a heading 6431 
Adjustable color: TIMBRE LOCK? 6431 
Neutral or neutral/uncoloured? 6431 
..are lacking in power, dynamics and bandwidth. 6431 
Timbre-Lock. Not quite ready for prime time. 6431 
Injection of analog dither? 6431 
Subliminal signal 6431 
The idea of analog randomanization. 6431 
Okay, what Avicena Power Generator 6431 
I hope you will be hearing about it. 6430 
Avicenna = Arabian 6430 
Persian, not Arab 6430 
The “second solution” - a major disappointment 6430 
More words to describe "sux" please 6430 
Revolution 6430 
The non-melodramatic DHT? 6430 
One-stage DHTs 6429 
One other thing 6429 
One stage 6429 
Brewing, thinking and heating 6429 
Physical characteristics of electronic devices 6429 
I see the things differently. 6429 
Don't waste time being "creative" 6429 
The audiophile attitude 6429 
The where and why of design choices 6429 
Blah blah blah 6429 
Laconic Clarity vs. Comfort vs. Nostalgia 6429 
Do I need to be hissing? 6429 
...associated with lack of neutrality and colorati... 6429 
John Broskie's Partial feedback amplifier 6429 
Randomness vs. freedom and the Homework # 4334 6428 
What is randomness? 6428 
Those least three possibilities… 6428 
Randomness and Music's Prerogative 6428 
It works, … sort of. The revolution is canceled. 6428 
Thorsten Loesch’s article about DHT SETs 6426 
A Beautiful Mind 6425 
Some summary and conclusions from the first phase. 6423 
Second phase: revising requirement for my DHT objectives. 6408 
Tubes for your DHT amp 6408 
Abandoning Milq? 6408 
Will see how it goes.... 6408 
Single-stage Milq vs. Sun Audio VT-2A3 6406 
Topology and 2A3? 6406 
6SN7-2A3 amps? 6406 
Type Casting 6406 
Sun Audio SV-2A3 6406 
6sn7-2a3 6406 
Topology vs parts 6406 
For a DHT amp, you are listening to the power supply 6406 
The vintage tubes syndrome. 6406 
Parts Frenzy 6406 
Too many new sounds 6406 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6405 
New tubes 6404 
Milq bias vs. batery bias 6404 
The batteries are a tricky thing. 6404 
Swimming the ocean at night? 6404 
New 2A3 6404 
To kill of do not kill the capacitor. 6403 
The JJ Electronic amp. 6402 
JJ 2A3 and amp 6402 
Czech tubes 6400 
Single plated vs Double plated? 6400 
Mono plate 2A3 tubes 6400 
I suggested once VT52 tube 6399 
The 800R vs. 1800R vs. 5500R 6399 
YO-186 as the output tube. 6396 
Here she is. 6395 
Some talks about the new production tubes 6391 
New 2A3 tubes 6391 
Some thoughts about one-IHT vs. multiple-DHT 6391 
The Sun Audio with 6E5P 6390 
Multistage DHT circuits 6389 
Wrong tube or wrong topology – here is the question. 6388 
Emission Labs 2A3 6388 
Some comment and questions about then 2A3 talks. 6388 
Which Chinese 2A3? 6388 
OK, for a first time I like the San Audio Kit. 6388 
The YO186 Strip Show 6388 
More on the 2A3 comparisons 6387 
It will be interesting…. 6387 
OPT impedence 6387 
More about the Plate Loading 6387 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6382 
2A3 data 6382 
The New 2A3 tubes 6382 
How many stages I need for 110dB sensitivity, smal... 6382 
How many stages and why... and who makes that 45 o... 6381 
Everything about everything. 6381 
Some very good points... and... possibly more logi... 6381 
Options, options, options.... 6381 
I think we agree overall 6381 
An IDHT with more gain? 6380 
You don't ask for much now, eh? 6380 
2A3 tube impressions 6375 
Interesting analogy 6375 
NOS 2A3 tubes versus new tubes 6375 
Hmmm, let me try this one again... 6375 
Sylvania 2A3 identification 6375 
A picture is worth a thousand micromhos? 6375 
I have more interest in the period tubes 6375 
Why NOS tubes? 6374 
The Holly Ignorance 6374 
Tube tasting 6374 
The cathodes’ flatulence? 6374 
Make mine thoriated please 6374 
Any Germans out there? 6374 
6E5P VS 6E6P 6374 
Vibrations? What do you with them? 6374 
Vibration in tubes and sounds 6374 
UX4 vs UX4ruskie 6373 
Ringing the tubes? I do not know how about that. 6373 
Tube sound and vibration 6373 
The thoughts collection about YO186? 6367 
The lights look green for the YO tube 6366 
"Melquiades" with YO-186. Something like... 6366 
My version of RE-604 and PX4 6365 
The YO186 tube sockets. 6365 
B4/B5 British made 6364 
The YO186’s sockets and prices 6364 
DHT 2A3 amplifier rectification 6363 
My attitude toward tube rectification. 6363 
Tu-be or not Tu-be, seems Tu-be the question. 6362 
It looks like DHT DSET is shaping up. 6361 
The Sylvania 2A3 NOS report 6358 
The Citizen Kane syndrome. 6358 
Sylvania 2A3 in a World without Color 6357 
Are NOS and new manufacture comparing oranges to o... 6357 
That all is incorrect in a way…. 6357 
NOS vs new 2A3 tubes 6357 
The identical operation environment? 6357 
Preferred 2A3 operating point 6357 
The sound of the 2A3 however? 6357 
Circuit modification for 2A3 optimization 6356 
How to get max power from 2A3 6356 
2A3 voltages, loads and realized output power 6356 
Optimal operation of 2A3: an experiment 6356 
Tubes, Whole Circuits, Expectations and Sound 6356 
Gain is not power. 6356 
2A3 amplifier modification & Optimization 6356 
Specialized DSET approach 6356 
6C33/2A3 DSET? 6356 
SET usable power and making the most of it 6356 
The 2A3 loading 6356 
DSET solution for EdgarHorn? 6356 
Optimizing the 2A3 6356 
How much to DSET a DSET 6356 
DSET for Titan 6356 
The Best of All Worlds 6356 
Multiamp setup 6355 
Optimizing the (NOS) 2A3... "KM-style"? 6355 
There are many opportunities, it all depends what ... 6355 
Modifying amplifer to optimize NOS 2A3 performance 6355 
Conceptualizing Melquiades DSET is done 6349 
2A3 and 400V supply 6349 
Pudding and the chicken wires 6348 
Another shot at numbers 6348 
How to cook the "uninformed" anode. 6348 
Okay, so this might work.... 6348 
The DHT Milq DSET, the prebuilt draft. 6348 
Looks good, but.... 6347 
2A3 with slightly lover filament voltage? 6347 
Less is more... usually. 6347 
Where to burn gain? how? and where to get beter st... 6346 
Stepping Out 6346 
Said to be good, but 6346 
Gain to lose 6346 
Why nothing is simple with this damn amp! 6346 
Another idea for losing gain 6346 
What's best 6346 
Options, options... 6346 
Actually, it is not so bad. 6346 
Other compromises... 6345 
Cathode vs. fixed with DHT 6344 
Is it glowing yet? 6324 
It is comming.... 6324 
The new MF channel. 6318 
I started to work on the Milq’s DHT Island. 6317 
Innerstage loading vs. OPT loading. 6309 
The intestage loading talk. 6306 
My playback feels like it is broken. 6301 
1 in 50? 6301 
Yes, it was after PP2000 6301 
Die Walküre soldering. 6300 
The post Die Walküre soldering 6299 
Another amp arond YO186 6298 
Gain? 6298 
The Unexpected problem with DHT Milq. 6298 
Simple is good 6297 
Ok, I am moving forward. 6297 
The Milq DSET is up. 6296 
My DH DSET – 2 days later. 6294 
Here is more data to reconcile. 6294 
Hm, that is interesting and unpleasant so far. 6293 
Ok, what do I want? 6293 
Let Go of Some Conceptual "Restrictions"? 6293 
The Milq DH DSET, the further thoughts in progress. 6293 
Crunching Numbers; Shaping Sound 6293 
How about the tweeter? 6292 
Tweeter Efficiency? 6292 
Safe and Sound 6292 
More mystery with tweeter but still on the subject. 6292 
Some clarifications. 6292 
How about that?!!! 6292 
Further considerations: DC-coupling. 6290 
Head Room 6290 
To kill the mandatory 13dB 6289 
DC coupling and killing 13db and driving 6e5p miller and.... 6289 
I do not think that it might be damaging… 6289 
Again with the PS 6289 
AKA J.C. Morrison’s amp but… 6287 
Parallel Universe 6287 
Melquiades HD MF DSET, Draft13. 6285 
Why I let other people build them... 6285 
Ok, it's going to right direction. 6285 
Ok, it looks already very close…. 6284 
The Loftinish-Whitish, well sort of…. 6281 
MF: the pre-final version. 6281 
Loftin-White? 6281 
Did anyone hear the PX4 amplifiers? 6281 
What Could use Improving at This Point? 6281 
The Milq’s MF front-end is done 6277 
Why I Let Other People Build Them, II 6277 
Define really quiet 6276 
Another variable of sound 6276 
Backlash? 6276 
Alternative filament supplies 6276 
I kind of faced a problem with AC 6276 
Going down the DC path 6275 
It is not about the “whole sound” but about “molec... 6275 
Molecular sound 6275 
AC-DC heater supply 6275 
The Tentlabs are $10 worth PS. 6275 
The unexpected resolution of AC vs. DC quandary. 6275 
The devil is less scared than it depicted. 6275 
Hiss or Hum 6275 
AC transformers 6275 
I have seen the Promised Land 6274 
OK, the choke noise is not a problem anymore 6274 
Ok, it is working fine but… 6273 
Divide and Conquer 6273 
The design phase is over. 6272 
The unexpected insanity! 6271 
Loading 6271 
Looking for inspiring ideas for 'universal' loadin... 6271 
A filaments Sherlock Holmes wanted. 6271 
Going the Distance 6271 
Read the f*** manual! 6271 
Agreed. 6271 
I agree 6271 
The filament transformer 6271 
Center-tap and options 6271 
Something like this…. 6271 
Avoiding "Dial-an-Amp" 6271 
The foreplay is going on. 6271 
Split balance 6270 
Further thoughts about my DH filaments 6270 
The Shuguang 2A3 tubes. 6270 
SHuguang 6270 
Going through…. 6269 
The 2.5V noise vs. 4V noise. 6268 
More about Shuguang 2A3C 6268 
Hum vs voltage 6268 
Meow about the tubes… 6268 
To Be a Content Cat 6268 
Completed! 6265 
Tradition 6265 
Absolutely beautiful! 6265 
The 'film' caps in PS 6264 
Science or religion 6264 
Mass Extinction 6264 
Electrolytics, technology and time 6264 
No more questions about PS capacitors. 6264 
Capacitor choices 6264 
Good time. Welcome back. Thanks God. 6263 
The minor day of Quartets. 6263 
Them's the Breaks 6263 
Eventually! 6262 
So Soon? 6262 
DHT MF channel and 6-ch amp: first conclusions 6262 
All Abuzz about Nothing 6261 
The wire for DC-coupling 6261 
The Dirt on DIY Backlash 6261 
DSET vs. the “better tubes”. 6261 
How to test the DH tubes properly? 6260 
Pairing up tubes for SE use 6259 
The DHT live reserve 6258 
Some interestng models 6258 
Eaten alive. 6258 
The tubey déjà vu? 6257 
The new concept of my output transformer. 6253 
The 4V takes a lead. 6249 
Listening the DH and the striped down version of M... 6246 
I kind of slowly learn what I need. 6246 
More HF from a transformer and DHT? 6244 
Since You Don't Need the Gain 6243 
Exiting the design mode? 6243 
Bye-bye the input divider on MF! 6243 
A few steps back and a gaint leap ahead. 6239 
Single-stage vs. DHT amp. 6238 
Setting up the new Playback 6237 
And the winner is… so far 6234 
If you like type 45... 6234 
Type 45... they're not all the same 6234 
Favorite Flavor? 6234 
The 45 times Meow... 6234 
The problem that I see is… 6234 
Running the 45 6234 
The 10Y...and bye bye Newton 6233 
The commentaries about everything. 6233 
Driver tube and biasing 6233 
DHT drivers 6233 
The ideas are worth trying? 6233 
A question about the polishing the things…. 6229 
The Particular Tube, I'm afraid... 6229 
Driving the 45... cathode first 6228 
ST or Globe; old or new... 6228 
Whatever sticks to the wall as an operation point ... 6228 
The attenuating crap in secondary. 6228 
Operating points and cathode current 6228 
The Burgeoning Opportunities! 6228 
Actually it is not so simple. 6228 
Resistors at the front 6227 
A minor alternation of a position 6227 
The era of enlightenment. 6224 
The devil is in the details.... 6224 
Constructing Sound 6224 
A new view on the DHT evaluation. 6223 
The “strange” YO186 6214 
The dead guy’s lessons. 6169 
2S4S and 2A3 6160 
Ho to use the YO186 6153 
YO 186 fundamental flavor 6153 
The YO-YO tube and "fundamentals" channel 6153 
The live without the YO186, again.... 6151 
Not anymore! 6140 
The very good YoYonisation! 6139 
….above and below two very clean channel. 6138 
The DHT and esoteric imaging deformation. 6125 
DHT, YO186, or??? 6125 
I had no idea how ‘different’ it is. 6072 
The Kazitsky Manufacturing and YO104, some history. 6071 
"Absolution and Eternal Refuge." 6068 
Sofia Electric Type 45 Mesh 6058 
The true association of YO186's Sounds. 5820 
All the Best from Burgundy 5820 
Cheesy tubes 5819 
Me and my DHT references… 5710 
Y0-186 in winter. 5613 
Y0-186 sounds like… 5612 
Rethinking the YO186 tube. 5581 
In My Dreams 5581 
Grunt from type 45? A ridicules comment. 5581 
Blame? 5580 
When good is not good enough. 5580 
45s, Drivers, and 45s 5580 
Hm, that was so simple after all! 5579 
How the YO186 was used. 5163 
What is old is new? 5162 
YO186 vs. type 45. 5161 
The YO186 is gone.... :-( 4710 
That sucks. 4710 
YO186 4708 
Hm, what the hell is going on? 4708 
I do not think that anybody but me would like YO186 4708 
A hallucination? 4705 
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