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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 7821 
More about my 834P corrector. 7821 
834 hermetics 7821 
EAR 834P Modification 7792 
Adding unecessary ingredients 7792 
Re: Adding unecessary ingredients 7792 
Let Ears Be The Judge 7792 
EAR 834P Modification Guide 7414 
Phonostage: EAR-843PT-VV 7410 
Re: Phonostage: Modifications to your design 7409 
Re: Phonostage: Modifications to your design 7409 
Are we looking to be right or happy? 7409 
Dual mono 834PT 6714 
The benefit of using 834PT in dual mono. 6714 
The “End of Life" Phonostage and the Modification Guide 6581 
About voltage starvation of EAR-834P input stage. 6571 
EAR 834P mods 6415 
One more witness of ‘Compliance Noise’ 6415 
Compliance Noise 6414 
Small whited out area on schematic 6384 
Yes, it kind of white out. 6384 
Nice Schematic 6384 
EAR 834P without ET step up? 6376 
Let it run run as it for a few month... 6376 
Current phono stage 6376 
Interesting how you found the 834PT 6376 
OK Tubes? 6375 
Your Own Tube Lore 6375 
834P re-tubing. 6375 
Tubes in the 834p circuit 6375 
History of phono stage 6375 
It might be used whatever you wish in the 834P 6375 
The Power of Imagination? 6375 
Sensitivity Training 6374 
Modification to the Ear 834P 6030 
To keep the Ear loaded. 6030 
Bleeder resistors. 6030 
Martin Ruppel’s assault on EAR834P 6021 
Labeling problem on 834p circuit 3722 
Copper air caps 3722 
Caps infos 2253 
Already done 2253 
Deletion of V2 cathode capacitor and gain 2095 
834pt is MM level 2094 
834PT and MC cartridges 2094 
The cap will not change volume in the pass band 2093 
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