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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.
Romy The Cat's Playback
Audio Knowledge Tree ™
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Audiophile Satire
Melquiades SET Amplifier
Macondo Acoustic System
End of Life Phonostage
Audio Demoronizator AD-1
My Exotic Audio Leftovers
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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.
About EAR 834P Modifications 7693 
More about my 834P corrector. 7693 
834 hermetics 7693 
EAR 834P Modification 7664 
Adding unecessary ingredients 7664 
Re: Adding unecessary ingredients 7664 
Let Ears Be The Judge 7664 
EAR 834P Modification Guide 7286 
Phonostage: EAR-843PT-VV 7282 
Re: Phonostage: Modifications to your design 7281 
Re: Phonostage: Modifications to your design 7281 
Are we looking to be right or happy? 7281 
Dual mono 834PT 6586 
The benefit of using 834PT in dual mono. 6586 
The “End of Life" Phonostage and the Modification Guide 6453 
About voltage starvation of EAR-834P input stage. 6443 
EAR 834P mods 6287 
One more witness of ‘Compliance Noise’ 6287 
Compliance Noise 6286 
Small whited out area on schematic 6256 
Yes, it kind of white out. 6256 
Nice Schematic 6256 
EAR 834P without ET step up? 6248 
Let it run run as it for a few month... 6248 
Current phono stage 6248 
Interesting how you found the 834PT 6248 
OK Tubes? 6247 
Your Own Tube Lore 6247 
834P re-tubing. 6247 
Tubes in the 834p circuit 6247 
History of phono stage 6247 
It might be used whatever you wish in the 834P 6247 
The Power of Imagination? 6247 
Sensitivity Training 6246 
Modification to the Ear 834P 5902 
To keep the Ear loaded. 5902 
Bleeder resistors. 5902 
Martin Ruppel’s assault on EAR834P 5893 
Labeling problem on 834p circuit 3594 
Copper air caps 3594 
Caps infos 2125 
Already done 2125 
Deletion of V2 cathode capacitor and gain 1967 
834pt is MM level 1966 
834PT and MC cartridges 1966 
The cap will not change volume in the pass band 1965 
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