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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 6403 
One-stage Milq++ and the DHT's alleged tone 6402 
DHT Milq? 6402 
The DHT journey. 6402 
DHT tone 6402 
Well, why not? 6401 
Holding the Fort 6401 
My DHT experiment: Preface 6401 
Input tube and DC heaters 6400 
Reimyo Pat 777 6400 
My DHT experiment: Observations 6396 
DHT or 300B? 6396 
300B 6396 
Talking, perception and the grounds for objectively 6396 
The Wine Via the Wine Glass 6395 
Hence the confusion 6395 
My DHT experiment: some conclusions. 6395 
Reality Reconstruction is not a functionality. 6395 
My experience with DHTs 6395 
Pigmented coloration? 6395 
Dht-dht 6395 
Dynamic viscosity? 6395 
The Pallette preamp... 6395 
If one DHT is good, two must be better? 6395 
"soul" of tubes 6395 
There is a difference... 6395 
Vibration injection? 6395 
Homework # 4334 6395 
The 01A-71A-10Y-45 chain 6395 
Old valves have more soul! 6394 
Was it soul or soil? 6394 
It was just a heading 6394 
Adjustable color: TIMBRE LOCK? 6394 
Neutral or neutral/uncoloured? 6394 
..are lacking in power, dynamics and bandwidth. 6394 
Timbre-Lock. Not quite ready for prime time. 6394 
Injection of analog dither? 6394 
Subliminal signal 6394 
The idea of analog randomanization. 6394 
Okay, what Avicena Power Generator 6394 
I hope you will be hearing about it. 6393 
Avicenna = Arabian 6393 
Persian, not Arab 6393 
The “second solution” - a major disappointment 6393 
More words to describe "sux" please 6393 
Revolution 6393 
The non-melodramatic DHT? 6393 
One-stage DHTs 6392 
One other thing 6392 
One stage 6392 
Brewing, thinking and heating 6392 
Physical characteristics of electronic devices 6392 
I see the things differently. 6392 
Don't waste time being "creative" 6392 
The audiophile attitude 6392 
The where and why of design choices 6392 
Blah blah blah 6392 
Laconic Clarity vs. Comfort vs. Nostalgia 6392 
Do I need to be hissing? 6392 
...associated with lack of neutrality and colorati... 6392 
John Broskie's Partial feedback amplifier 6392 
Randomness vs. freedom and the Homework # 4334 6391 
What is randomness? 6391 
Those least three possibilities… 6391 
Randomness and Music's Prerogative 6391 
It works, … sort of. The revolution is canceled. 6391 
Thorsten Loesch’s article about DHT SETs 6389 
A Beautiful Mind 6388 
Some summary and conclusions from the first phase. 6386 
Second phase: revising requirement for my DHT objectives. 6371 
Tubes for your DHT amp 6371 
Abandoning Milq? 6371 
Will see how it goes.... 6371 
Single-stage Milq vs. Sun Audio VT-2A3 6369 
Topology and 2A3? 6369 
6SN7-2A3 amps? 6369 
Type Casting 6369 
Sun Audio SV-2A3 6369 
6sn7-2a3 6369 
Topology vs parts 6369 
For a DHT amp, you are listening to the power supply 6369 
The vintage tubes syndrome. 6369 
Parts Frenzy 6369 
Too many new sounds 6369 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6368 
New tubes 6367 
Milq bias vs. batery bias 6367 
The batteries are a tricky thing. 6367 
Swimming the ocean at night? 6367 
New 2A3 6367 
To kill of do not kill the capacitor. 6366 
The JJ Electronic amp. 6365 
JJ 2A3 and amp 6365 
Czech tubes 6363 
Single plated vs Double plated? 6363 
Mono plate 2A3 tubes 6363 
I suggested once VT52 tube 6362 
The 800R vs. 1800R vs. 5500R 6362 
YO-186 as the output tube. 6359 
Here she is. 6358 
Some talks about the new production tubes 6354 
New 2A3 tubes 6354 
Some thoughts about one-IHT vs. multiple-DHT 6354 
The Sun Audio with 6E5P 6353 
Multistage DHT circuits 6352 
Wrong tube or wrong topology – here is the question. 6351 
Emission Labs 2A3 6351 
Some comment and questions about then 2A3 talks. 6351 
Which Chinese 2A3? 6351 
OK, for a first time I like the San Audio Kit. 6351 
The YO186 Strip Show 6351 
More on the 2A3 comparisons 6350 
It will be interesting…. 6350 
OPT impedence 6350 
More about the Plate Loading 6350 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6345 
2A3 data 6345 
The New 2A3 tubes 6345 
How many stages I need for 110dB sensitivity, smal... 6345 
How many stages and why... and who makes that 45 o... 6344 
Everything about everything. 6344 
Some very good points... and... possibly more logi... 6344 
Options, options, options.... 6344 
I think we agree overall 6344 
An IDHT with more gain? 6343 
You don't ask for much now, eh? 6343 
2A3 tube impressions 6338 
Interesting analogy 6338 
NOS 2A3 tubes versus new tubes 6338 
Hmmm, let me try this one again... 6338 
Sylvania 2A3 identification 6338 
A picture is worth a thousand micromhos? 6338 
I have more interest in the period tubes 6338 
Why NOS tubes? 6337 
The Holly Ignorance 6337 
Tube tasting 6337 
The cathodes’ flatulence? 6337 
Make mine thoriated please 6337 
Any Germans out there? 6337 
6E5P VS 6E6P 6337 
Vibrations? What do you with them? 6337 
Vibration in tubes and sounds 6337 
UX4 vs UX4ruskie 6336 
Ringing the tubes? I do not know how about that. 6336 
Tube sound and vibration 6336 
The thoughts collection about YO186? 6330 
The lights look green for the YO tube 6329 
"Melquiades" with YO-186. Something like... 6329 
My version of RE-604 and PX4 6328 
The YO186 tube sockets. 6328 
B4/B5 British made 6327 
The YO186’s sockets and prices 6327 
DHT 2A3 amplifier rectification 6326 
My attitude toward tube rectification. 6326 
Tu-be or not Tu-be, seems Tu-be the question. 6325 
It looks like DHT DSET is shaping up. 6324 
The Sylvania 2A3 NOS report 6321 
The Citizen Kane syndrome. 6321 
Sylvania 2A3 in a World without Color 6320 
Are NOS and new manufacture comparing oranges to o... 6320 
That all is incorrect in a way…. 6320 
NOS vs new 2A3 tubes 6320 
The identical operation environment? 6320 
Preferred 2A3 operating point 6320 
The sound of the 2A3 however? 6320 
Circuit modification for 2A3 optimization 6319 
How to get max power from 2A3 6319 
2A3 voltages, loads and realized output power 6319 
Optimal operation of 2A3: an experiment 6319 
Tubes, Whole Circuits, Expectations and Sound 6319 
Gain is not power. 6319 
2A3 amplifier modification & Optimization 6319 
Specialized DSET approach 6319 
6C33/2A3 DSET? 6319 
SET usable power and making the most of it 6319 
The 2A3 loading 6319 
DSET solution for EdgarHorn? 6319 
Optimizing the 2A3 6319 
How much to DSET a DSET 6319 
DSET for Titan 6319 
The Best of All Worlds 6319 
Multiamp setup 6318 
Optimizing the (NOS) 2A3... "KM-style"? 6318 
There are many opportunities, it all depends what ... 6318 
Modifying amplifer to optimize NOS 2A3 performance 6318 
Conceptualizing Melquiades DSET is done 6312 
2A3 and 400V supply 6312 
Pudding and the chicken wires 6311 
Another shot at numbers 6311 
How to cook the "uninformed" anode. 6311 
Okay, so this might work.... 6311 
The DHT Milq DSET, the prebuilt draft. 6311 
Looks good, but.... 6310 
2A3 with slightly lover filament voltage? 6310 
Less is more... usually. 6310 
Where to burn gain? how? and where to get beter st... 6309 
Stepping Out 6309 
Said to be good, but 6309 
Gain to lose 6309 
Why nothing is simple with this damn amp! 6309 
Another idea for losing gain 6309 
What's best 6309 
Options, options... 6309 
Actually, it is not so bad. 6309 
Other compromises... 6308 
Cathode vs. fixed with DHT 6307 
Is it glowing yet? 6287 
It is comming.... 6287 
The new MF channel. 6281 
I started to work on the Milq’s DHT Island. 6280 
Innerstage loading vs. OPT loading. 6272 
The intestage loading talk. 6269 
My playback feels like it is broken. 6264 
1 in 50? 6264 
Yes, it was after PP2000 6264 
Die Walküre soldering. 6263 
The post Die Walküre soldering 6262 
Another amp arond YO186 6261 
Gain? 6261 
The Unexpected problem with DHT Milq. 6261 
Simple is good 6260 
Ok, I am moving forward. 6260 
The Milq DSET is up. 6259 
My DH DSET – 2 days later. 6257 
Here is more data to reconcile. 6257 
Hm, that is interesting and unpleasant so far. 6256 
Ok, what do I want? 6256 
Let Go of Some Conceptual "Restrictions"? 6256 
The Milq DH DSET, the further thoughts in progress. 6256 
Crunching Numbers; Shaping Sound 6256 
How about the tweeter? 6255 
Tweeter Efficiency? 6255 
Safe and Sound 6255 
More mystery with tweeter but still on the subject. 6255 
Some clarifications. 6255 
How about that?!!! 6255 
Further considerations: DC-coupling. 6253 
Head Room 6253 
To kill the mandatory 13dB 6252 
DC coupling and killing 13db and driving 6e5p miller and.... 6252 
I do not think that it might be damaging… 6252 
Again with the PS 6252 
AKA J.C. Morrison’s amp but… 6250 
Parallel Universe 6250 
Melquiades HD MF DSET, Draft13. 6248 
Why I let other people build them... 6248 
Ok, it's going to right direction. 6248 
Ok, it looks already very close…. 6247 
The Loftinish-Whitish, well sort of…. 6244 
MF: the pre-final version. 6244 
Loftin-White? 6244 
Did anyone hear the PX4 amplifiers? 6244 
What Could use Improving at This Point? 6244 
The Milq’s MF front-end is done 6240 
Why I Let Other People Build Them, II 6240 
Define really quiet 6239 
Another variable of sound 6239 
Backlash? 6239 
Alternative filament supplies 6239 
I kind of faced a problem with AC 6239 
Going down the DC path 6238 
It is not about the “whole sound” but about “molec... 6238 
Molecular sound 6238 
AC-DC heater supply 6238 
The Tentlabs are $10 worth PS. 6238 
The unexpected resolution of AC vs. DC quandary. 6238 
The devil is less scared than it depicted. 6238 
Hiss or Hum 6238 
AC transformers 6238 
I have seen the Promised Land 6237 
OK, the choke noise is not a problem anymore 6237 
Ok, it is working fine but… 6236 
Divide and Conquer 6236 
The design phase is over. 6235 
The unexpected insanity! 6234 
Loading 6234 
Looking for inspiring ideas for 'universal' loadin... 6234 
A filaments Sherlock Holmes wanted. 6234 
Going the Distance 6234 
Read the f*** manual! 6234 
Agreed. 6234 
I agree 6234 
The filament transformer 6234 
Center-tap and options 6234 
Something like this…. 6234 
Avoiding "Dial-an-Amp" 6234 
The foreplay is going on. 6234 
Split balance 6233 
Further thoughts about my DH filaments 6233 
The Shuguang 2A3 tubes. 6233 
SHuguang 6233 
Going through…. 6232 
The 2.5V noise vs. 4V noise. 6231 
More about Shuguang 2A3C 6231 
Hum vs voltage 6231 
Meow about the tubes… 6231 
To Be a Content Cat 6231 
Completed! 6228 
Tradition 6228 
Absolutely beautiful! 6228 
The 'film' caps in PS 6227 
Science or religion 6227 
Mass Extinction 6227 
Electrolytics, technology and time 6227 
No more questions about PS capacitors. 6227 
Capacitor choices 6227 
Good time. Welcome back. Thanks God. 6226 
The minor day of Quartets. 6226 
Them's the Breaks 6226 
Eventually! 6225 
So Soon? 6225 
DHT MF channel and 6-ch amp: first conclusions 6225 
All Abuzz about Nothing 6224 
The wire for DC-coupling 6224 
The Dirt on DIY Backlash 6224 
DSET vs. the “better tubes”. 6224 
How to test the DH tubes properly? 6223 
Pairing up tubes for SE use 6222 
The DHT live reserve 6221 
Some interestng models 6221 
Eaten alive. 6221 
The tubey déjà vu? 6220 
The new concept of my output transformer. 6216 
The 4V takes a lead. 6212 
Listening the DH and the striped down version of M... 6209 
I kind of slowly learn what I need. 6209 
More HF from a transformer and DHT? 6207 
Since You Don't Need the Gain 6206 
Exiting the design mode? 6206 
Bye-bye the input divider on MF! 6206 
A few steps back and a gaint leap ahead. 6202 
Single-stage vs. DHT amp. 6201 
Setting up the new Playback 6200 
And the winner is… so far 6197 
If you like type 45... 6197 
Type 45... they're not all the same 6197 
Favorite Flavor? 6197 
The 45 times Meow... 6197 
The problem that I see is… 6197 
Running the 45 6197 
The 10Y...and bye bye Newton 6196 
The commentaries about everything. 6196 
Driver tube and biasing 6196 
DHT drivers 6196 
The ideas are worth trying? 6196 
A question about the polishing the things…. 6192 
The Particular Tube, I'm afraid... 6192 
Driving the 45... cathode first 6191 
ST or Globe; old or new... 6191 
Whatever sticks to the wall as an operation point ... 6191 
The attenuating crap in secondary. 6191 
Operating points and cathode current 6191 
The Burgeoning Opportunities! 6191 
Actually it is not so simple. 6191 
Resistors at the front 6190 
A minor alternation of a position 6190 
The era of enlightenment. 6187 
The devil is in the details.... 6187 
Constructing Sound 6187 
A new view on the DHT evaluation. 6186 
The “strange” YO186 6177 
The dead guy’s lessons. 6132 
2S4S and 2A3 6123 
Ho to use the YO186 6116 
YO 186 fundamental flavor 6116 
The YO-YO tube and "fundamentals" channel 6116 
The live without the YO186, again.... 6114 
Not anymore! 6103 
The very good YoYonisation! 6102 
….above and below two very clean channel. 6101 
The DHT and esoteric imaging deformation. 6088 
DHT, YO186, or??? 6088 
I had no idea how ‘different’ it is. 6035 
The Kazitsky Manufacturing and YO104, some history. 6034 
"Absolution and Eternal Refuge." 6031 
Sofia Electric Type 45 Mesh 6021 
The true association of YO186's Sounds. 5783 
All the Best from Burgundy 5783 
Cheesy tubes 5782 
Me and my DHT references… 5673 
Y0-186 in winter. 5576 
Y0-186 sounds like… 5575 
Rethinking the YO186 tube. 5544 
In My Dreams 5544 
Grunt from type 45? A ridicules comment. 5544 
Blame? 5543 
When good is not good enough. 5543 
45s, Drivers, and 45s 5543 
Hm, that was so simple after all! 5542 
How the YO186 was used. 5126 
What is old is new? 5125 
YO186 vs. type 45. 5124 
The YO186 is gone.... :-( 4673 
That sucks. 4673 
YO186 4671 
Hm, what the hell is going on? 4671 
I do not think that anybody but me would like YO186 4671 
A hallucination? 4668 
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