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Site News: 17 May 2026

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Melquiades SET Amplifier
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End of Life Phonostage
Audio Demoronizator AD-1
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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 7870 
More about my 834P corrector. 7870 
834 hermetics 7870 
EAR 834P Modification 7841 
Adding unecessary ingredients 7841 
Re: Adding unecessary ingredients 7841 
Let Ears Be The Judge 7841 
EAR 834P Modification Guide 7463 
Phonostage: EAR-843PT-VV 7459 
Re: Phonostage: Modifications to your design 7458 
Re: Phonostage: Modifications to your design 7458 
Are we looking to be right or happy? 7458 
Dual mono 834PT 6763 
The benefit of using 834PT in dual mono. 6763 
The “End of Life" Phonostage and the Modification Guide 6630 
About voltage starvation of EAR-834P input stage. 6620 
EAR 834P mods 6464 
One more witness of ‘Compliance Noise’ 6464 
Compliance Noise 6463 
Small whited out area on schematic 6433 
Yes, it kind of white out. 6433 
Nice Schematic 6433 
EAR 834P without ET step up? 6425 
Let it run run as it for a few month... 6425 
Current phono stage 6425 
Interesting how you found the 834PT 6425 
OK Tubes? 6424 
Your Own Tube Lore 6424 
834P re-tubing. 6424 
Tubes in the 834p circuit 6424 
History of phono stage 6424 
It might be used whatever you wish in the 834P 6424 
The Power of Imagination? 6424 
Sensitivity Training 6423 
Modification to the Ear 834P 6079 
To keep the Ear loaded. 6079 
Bleeder resistors. 6079 
Martin Ruppel’s assault on EAR834P 6070 
Labeling problem on 834p circuit 3771 
Copper air caps 3771 
Caps infos 2302 
Already done 2302 
Deletion of V2 cathode capacitor and gain 2144 
834pt is MM level 2143 
834PT and MC cartridges 2143 
The cap will not change volume in the pass band 2142 
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