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Romy the Cat's personal site dedicated to advanced audio and evolved music reproduction techniques
Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Single-stage Melquiades vs. DHT amps 6219 
One-stage Milq++ and the DHT's alleged tone 6218 
DHT Milq? 6218 
The DHT journey. 6218 
DHT tone 6218 
Well, why not? 6217 
Holding the Fort 6217 
My DHT experiment: Preface 6217 
Input tube and DC heaters 6216 
Reimyo Pat 777 6216 
My DHT experiment: Observations 6212 
DHT or 300B? 6212 
300B 6212 
Talking, perception and the grounds for objectively 6212 
The Wine Via the Wine Glass 6211 
Hence the confusion 6211 
My DHT experiment: some conclusions. 6211 
Reality Reconstruction is not a functionality. 6211 
My experience with DHTs 6211 
Pigmented coloration? 6211 
Dht-dht 6211 
Dynamic viscosity? 6211 
The Pallette preamp... 6211 
If one DHT is good, two must be better? 6211 
"soul" of tubes 6211 
There is a difference... 6211 
Vibration injection? 6211 
Homework # 4334 6211 
The 01A-71A-10Y-45 chain 6211 
Old valves have more soul! 6210 
Was it soul or soil? 6210 
It was just a heading 6210 
Adjustable color: TIMBRE LOCK? 6210 
Neutral or neutral/uncoloured? 6210 
..are lacking in power, dynamics and bandwidth. 6210 
Timbre-Lock. Not quite ready for prime time. 6210 
Injection of analog dither? 6210 
Subliminal signal 6210 
The idea of analog randomanization. 6210 
Okay, what Avicena Power Generator 6210 
I hope you will be hearing about it. 6209 
Avicenna = Arabian 6209 
Persian, not Arab 6209 
The “second solution” - a major disappointment 6209 
More words to describe "sux" please 6209 
Revolution 6209 
The non-melodramatic DHT? 6209 
One-stage DHTs 6208 
One other thing 6208 
One stage 6208 
Brewing, thinking and heating 6208 
Physical characteristics of electronic devices 6208 
I see the things differently. 6208 
Don't waste time being "creative" 6208 
The audiophile attitude 6208 
The where and why of design choices 6208 
Blah blah blah 6208 
Laconic Clarity vs. Comfort vs. Nostalgia 6208 
Do I need to be hissing? 6208 
...associated with lack of neutrality and colorati... 6208 
John Broskie's Partial feedback amplifier 6208 
Randomness vs. freedom and the Homework # 4334 6207 
What is randomness? 6207 
Those least three possibilities… 6207 
Randomness and Music's Prerogative 6207 
It works, … sort of. The revolution is canceled. 6207 
Thorsten Loesch’s article about DHT SETs 6205 
A Beautiful Mind 6204 
Some summary and conclusions from the first phase. 6202 
Second phase: revising requirement for my DHT objectives. 6187 
Tubes for your DHT amp 6187 
Abandoning Milq? 6187 
Will see how it goes.... 6187 
Single-stage Milq vs. Sun Audio VT-2A3 6185 
Topology and 2A3? 6185 
6SN7-2A3 amps? 6185 
Type Casting 6185 
Sun Audio SV-2A3 6185 
6sn7-2a3 6185 
Topology vs parts 6185 
For a DHT amp, you are listening to the power supply 6185 
The vintage tubes syndrome. 6185 
Parts Frenzy 6185 
Too many new sounds 6185 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6184 
New tubes 6183 
Milq bias vs. batery bias 6183 
The batteries are a tricky thing. 6183 
Swimming the ocean at night? 6183 
New 2A3 6183 
To kill of do not kill the capacitor. 6182 
The JJ Electronic amp. 6181 
JJ 2A3 and amp 6181 
Czech tubes 6179 
Single plated vs Double plated? 6179 
Mono plate 2A3 tubes 6179 
I suggested once VT52 tube 6178 
The 800R vs. 1800R vs. 5500R 6178 
YO-186 as the output tube. 6175 
Here she is. 6174 
Some talks about the new production tubes 6170 
New 2A3 tubes 6170 
Some thoughts about one-IHT vs. multiple-DHT 6170 
The Sun Audio with 6E5P 6169 
Multistage DHT circuits 6168 
Wrong tube or wrong topology – here is the question. 6167 
Emission Labs 2A3 6167 
Some comment and questions about then 2A3 talks. 6167 
Which Chinese 2A3? 6167 
OK, for a first time I like the San Audio Kit. 6167 
The YO186 Strip Show 6167 
More on the 2A3 comparisons 6166 
It will be interesting…. 6166 
OPT impedence 6166 
More about the Plate Loading 6166 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6161 
2A3 data 6161 
The New 2A3 tubes 6161 
How many stages I need for 110dB sensitivity, smal... 6161 
How many stages and why... and who makes that 45 o... 6160 
Everything about everything. 6160 
Some very good points... and... possibly more logi... 6160 
Options, options, options.... 6160 
I think we agree overall 6160 
An IDHT with more gain? 6159 
You don't ask for much now, eh? 6159 
2A3 tube impressions 6154 
Interesting analogy 6154 
NOS 2A3 tubes versus new tubes 6154 
Hmmm, let me try this one again... 6154 
Sylvania 2A3 identification 6154 
A picture is worth a thousand micromhos? 6154 
I have more interest in the period tubes 6154 
Why NOS tubes? 6153 
The Holly Ignorance 6153 
Tube tasting 6153 
The cathodes’ flatulence? 6153 
Make mine thoriated please 6153 
Any Germans out there? 6153 
6E5P VS 6E6P 6153 
Vibrations? What do you with them? 6153 
Vibration in tubes and sounds 6153 
UX4 vs UX4ruskie 6152 
Ringing the tubes? I do not know how about that. 6152 
Tube sound and vibration 6152 
The thoughts collection about YO186? 6146 
The lights look green for the YO tube 6145 
"Melquiades" with YO-186. Something like... 6145 
My version of RE-604 and PX4 6144 
The YO186 tube sockets. 6144 
B4/B5 British made 6143 
The YO186’s sockets and prices 6143 
DHT 2A3 amplifier rectification 6142 
My attitude toward tube rectification. 6142 
Tu-be or not Tu-be, seems Tu-be the question. 6141 
It looks like DHT DSET is shaping up. 6140 
The Sylvania 2A3 NOS report 6137 
The Citizen Kane syndrome. 6137 
Sylvania 2A3 in a World without Color 6136 
Are NOS and new manufacture comparing oranges to o... 6136 
That all is incorrect in a way…. 6136 
NOS vs new 2A3 tubes 6136 
The identical operation environment? 6136 
Preferred 2A3 operating point 6136 
The sound of the 2A3 however? 6136 
Circuit modification for 2A3 optimization 6135 
How to get max power from 2A3 6135 
2A3 voltages, loads and realized output power 6135 
Optimal operation of 2A3: an experiment 6135 
Tubes, Whole Circuits, Expectations and Sound 6135 
Gain is not power. 6135 
2A3 amplifier modification & Optimization 6135 
Specialized DSET approach 6135 
6C33/2A3 DSET? 6135 
SET usable power and making the most of it 6135 
The 2A3 loading 6135 
DSET solution for EdgarHorn? 6135 
Optimizing the 2A3 6135 
How much to DSET a DSET 6135 
DSET for Titan 6135 
The Best of All Worlds 6135 
Multiamp setup 6134 
Optimizing the (NOS) 2A3... "KM-style"? 6134 
There are many opportunities, it all depends what ... 6134 
Modifying amplifer to optimize NOS 2A3 performance 6134 
Conceptualizing Melquiades DSET is done 6128 
2A3 and 400V supply 6128 
Pudding and the chicken wires 6127 
Another shot at numbers 6127 
How to cook the "uninformed" anode. 6127 
Okay, so this might work.... 6127 
The DHT Milq DSET, the prebuilt draft. 6127 
Looks good, but.... 6126 
2A3 with slightly lover filament voltage? 6126 
Less is more... usually. 6126 
Where to burn gain? how? and where to get beter st... 6125 
Stepping Out 6125 
Said to be good, but 6125 
Gain to lose 6125 
Why nothing is simple with this damn amp! 6125 
Another idea for losing gain 6125 
What's best 6125 
Options, options... 6125 
Actually, it is not so bad. 6125 
Other compromises... 6124 
Cathode vs. fixed with DHT 6123 
Is it glowing yet? 6103 
It is comming.... 6103 
The new MF channel. 6097 
I started to work on the Milq’s DHT Island. 6096 
Innerstage loading vs. OPT loading. 6088 
The intestage loading talk. 6085 
My playback feels like it is broken. 6080 
1 in 50? 6080 
Yes, it was after PP2000 6080 
Die Walküre soldering. 6079 
The post Die Walküre soldering 6078 
Another amp arond YO186 6077 
Gain? 6077 
The Unexpected problem with DHT Milq. 6077 
Simple is good 6076 
Ok, I am moving forward. 6076 
The Milq DSET is up. 6075 
My DH DSET – 2 days later. 6073 
Here is more data to reconcile. 6073 
Hm, that is interesting and unpleasant so far. 6072 
Ok, what do I want? 6072 
Let Go of Some Conceptual "Restrictions"? 6072 
The Milq DH DSET, the further thoughts in progress. 6072 
Crunching Numbers; Shaping Sound 6072 
How about the tweeter? 6071 
Tweeter Efficiency? 6071 
Safe and Sound 6071 
More mystery with tweeter but still on the subject. 6071 
Some clarifications. 6071 
How about that?!!! 6071 
Further considerations: DC-coupling. 6069 
Head Room 6069 
To kill the mandatory 13dB 6068 
DC coupling and killing 13db and driving 6e5p miller and.... 6068 
I do not think that it might be damaging… 6068 
Again with the PS 6068 
AKA J.C. Morrison’s amp but… 6066 
Parallel Universe 6066 
Melquiades HD MF DSET, Draft13. 6064 
Why I let other people build them... 6064 
Ok, it's going to right direction. 6064 
Ok, it looks already very close…. 6063 
The Loftinish-Whitish, well sort of…. 6060 
MF: the pre-final version. 6060 
Loftin-White? 6060 
Did anyone hear the PX4 amplifiers? 6060 
What Could use Improving at This Point? 6060 
The Milq’s MF front-end is done 6056 
Why I Let Other People Build Them, II 6056 
Define really quiet 6055 
Another variable of sound 6055 
Backlash? 6055 
Alternative filament supplies 6055 
I kind of faced a problem with AC 6055 
Going down the DC path 6054 
It is not about the “whole sound” but about “molec... 6054 
Molecular sound 6054 
AC-DC heater supply 6054 
The Tentlabs are $10 worth PS. 6054 
The unexpected resolution of AC vs. DC quandary. 6054 
The devil is less scared than it depicted. 6054 
Hiss or Hum 6054 
AC transformers 6054 
I have seen the Promised Land 6053 
OK, the choke noise is not a problem anymore 6053 
Ok, it is working fine but… 6052 
Divide and Conquer 6052 
The design phase is over. 6051 
The unexpected insanity! 6050 
Loading 6050 
Looking for inspiring ideas for 'universal' loadin... 6050 
A filaments Sherlock Holmes wanted. 6050 
Going the Distance 6050 
Read the f*** manual! 6050 
Agreed. 6050 
I agree 6050 
The filament transformer 6050 
Center-tap and options 6050 
Something like this…. 6050 
Avoiding "Dial-an-Amp" 6050 
The foreplay is going on. 6050 
Split balance 6049 
Further thoughts about my DH filaments 6049 
The Shuguang 2A3 tubes. 6049 
SHuguang 6049 
Going through…. 6048 
The 2.5V noise vs. 4V noise. 6047 
More about Shuguang 2A3C 6047 
Hum vs voltage 6047 
Meow about the tubes… 6047 
To Be a Content Cat 6047 
Completed! 6044 
Tradition 6044 
Absolutely beautiful! 6044 
The 'film' caps in PS 6043 
Science or religion 6043 
Mass Extinction 6043 
Electrolytics, technology and time 6043 
No more questions about PS capacitors. 6043 
Capacitor choices 6043 
Good time. Welcome back. Thanks God. 6042 
The minor day of Quartets. 6042 
Them's the Breaks 6042 
Eventually! 6041 
So Soon? 6041 
DHT MF channel and 6-ch amp: first conclusions 6041 
All Abuzz about Nothing 6040 
The wire for DC-coupling 6040 
The Dirt on DIY Backlash 6040 
DSET vs. the “better tubes”. 6040 
How to test the DH tubes properly? 6039 
Pairing up tubes for SE use 6038 
The DHT live reserve 6037 
Some interestng models 6037 
Eaten alive. 6037 
The tubey déjà vu? 6036 
The new concept of my output transformer. 6032 
The 4V takes a lead. 6028 
Listening the DH and the striped down version of M... 6025 
I kind of slowly learn what I need. 6025 
More HF from a transformer and DHT? 6023 
Since You Don't Need the Gain 6022 
Exiting the design mode? 6022 
Bye-bye the input divider on MF! 6022 
A few steps back and a gaint leap ahead. 6018 
Single-stage vs. DHT amp. 6017 
Setting up the new Playback 6016 
And the winner is… so far 6013 
If you like type 45... 6013 
Type 45... they're not all the same 6013 
Favorite Flavor? 6013 
The 45 times Meow... 6013 
The problem that I see is… 6013 
Running the 45 6013 
The 10Y...and bye bye Newton 6012 
The commentaries about everything. 6012 
Driver tube and biasing 6012 
DHT drivers 6012 
The ideas are worth trying? 6012 
A question about the polishing the things…. 6008 
The Particular Tube, I'm afraid... 6008 
Driving the 45... cathode first 6007 
ST or Globe; old or new... 6007 
Whatever sticks to the wall as an operation point ... 6007 
The attenuating crap in secondary. 6007 
Operating points and cathode current 6007 
The Burgeoning Opportunities! 6007 
Actually it is not so simple. 6007 
Resistors at the front 6006 
A minor alternation of a position 6006 
The era of enlightenment. 6003 
The devil is in the details.... 6003 
Constructing Sound 6003 
A new view on the DHT evaluation. 6002 
The “strange” YO186 5993 
The dead guy’s lessons. 5948 
2S4S and 2A3 5939 
Ho to use the YO186 5932 
YO 186 fundamental flavor 5932 
The YO-YO tube and "fundamentals" channel 5932 
The live without the YO186, again.... 5930 
Not anymore! 5919 
The very good YoYonisation! 5918 
….above and below two very clean channel. 5917 
The DHT and esoteric imaging deformation. 5904 
DHT, YO186, or??? 5904 
I had no idea how ‘different’ it is. 5851 
The Kazitsky Manufacturing and YO104, some history. 5850 
"Absolution and Eternal Refuge." 5847 
Sofia Electric Type 45 Mesh 5837 
The true association of YO186's Sounds. 5599 
All the Best from Burgundy 5599 
Cheesy tubes 5598 
Me and my DHT references… 5489 
Y0-186 in winter. 5392 
Y0-186 sounds like… 5391 
Rethinking the YO186 tube. 5360 
In My Dreams 5360 
Grunt from type 45? A ridicules comment. 5360 
Blame? 5359 
When good is not good enough. 5359 
45s, Drivers, and 45s 5359 
Hm, that was so simple after all! 5358 
How the YO186 was used. 4942 
What is old is new? 4941 
YO186 vs. type 45. 4940 
The YO186 is gone.... :-( 4489 
That sucks. 4489 
YO186 4487 
Hm, what the hell is going on? 4487 
I do not think that anybody but me would like YO186 4487 
A hallucination? 4484 
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