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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: AC shared between 200 apartmentsPosted by Amir on: 2/21/2023
If I am working on AC quality because the AC quality in the big building is very very bad.My apartment is in a big complex shared between 200 apartments + 7 big elevator and ...This Building has three phase AC power , in most homes the AC is better between 2AM to 5AM but in my home the dc offset increase after 2AM. It is very awful .
I do not disagree with you but I had many amplifiers in my room , more than 10 different amplifiers (kondo 300b, Audiopax ...)Even Pure Power can not help when AC quality is bad. You know Audiopax designer was very smart designer .
About grounding:Yes, Earth wire will decrease RF but I think RF is not the main problem.
I hope you let me know which amplifier is less sensitive to AC ?
There are different aspect of bad AC quality :- sometimes the sound is very forward and compress , rough and aggressive , reminds me bad/noisy computer playback- sometimes the sound change less than 10min , it is quality is variable - sometimes the sound lost liveness/accuracy and get creamy/soft. This softness is un-natural and it reminds me high jitter dac playback- sometimes the sound lost transparency and is opaque- sometimes the sound loose weight and bass- sometimes the sound loose midrange emotion/tone/harmonics- sometimes the sound is pure harshness
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