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Site News: 17 May 2026

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Macondo Acoustic System
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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 7860 
More about my 834P corrector. 7860 
834 hermetics 7860 
EAR 834P Modification 7831 
Adding unecessary ingredients 7831 
Re: Adding unecessary ingredients 7831 
Let Ears Be The Judge 7831 
EAR 834P Modification Guide 7453 
Phonostage: EAR-843PT-VV 7449 
Re: Phonostage: Modifications to your design 7448 
Re: Phonostage: Modifications to your design 7448 
Are we looking to be right or happy? 7448 
Dual mono 834PT 6753 
The benefit of using 834PT in dual mono. 6753 
The “End of Life" Phonostage and the Modification Guide 6620 
About voltage starvation of EAR-834P input stage. 6610 
EAR 834P mods 6454 
One more witness of ‘Compliance Noise’ 6454 
Compliance Noise 6453 
Small whited out area on schematic 6423 
Yes, it kind of white out. 6423 
Nice Schematic 6423 
EAR 834P without ET step up? 6415 
Let it run run as it for a few month... 6415 
Current phono stage 6415 
Interesting how you found the 834PT 6415 
OK Tubes? 6414 
Your Own Tube Lore 6414 
834P re-tubing. 6414 
Tubes in the 834p circuit 6414 
History of phono stage 6414 
It might be used whatever you wish in the 834P 6414 
The Power of Imagination? 6414 
Sensitivity Training 6413 
Modification to the Ear 834P 6069 
To keep the Ear loaded. 6069 
Bleeder resistors. 6069 
Martin Ruppel’s assault on EAR834P 6060 
Labeling problem on 834p circuit 3761 
Copper air caps 3761 
Caps infos 2292 
Already done 2292 
Deletion of V2 cathode capacitor and gain 2134 
834pt is MM level 2133 
834PT and MC cartridges 2133 
The cap will not change volume in the pass band 2132 
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