Difference between revisions of "IN digital tuner TO analog tube pre-amp TO b&o penta speakers OUT"

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{{Project
 
{{Project
 
|ProjectSkills=Electronics, Audio
 
|ProjectSkills=Electronics, Audio
|ProjectStatus=Active
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|ProjectStatus=Finished
 
|ProjectNiche=Electronics
 
|ProjectNiche=Electronics
 
|ProjectPurpose=Fun
 
|ProjectPurpose=Fun

Latest revision as of 15:33, 10 February 2015

Projects
Participants
Skills Electronics, Audio
Status Finished
Niche Electronics
Purpose Fun

Penta boxes, tube tuner (2x mono), and digital tuner (android phone) work fine separately. When joined, they produce a nasty 50 Hertz noise in the background. The boxes are in the space - I will bring in the other parts for a test set-up. In the end I want to use it as sound system in my apartment (again).

CyberDutch

That is almost certainly an earth-loop (aardlus). Read up on it. You can combat these in two ways; one is cutting any double earth paths, but you MUST keep safety in mind, so never severe the earth/ground wire of mains equipment! The other way is deploying a (de)coupling transformer in the signal path, those can be had from an electronics shop. Ultratux 00:35, 19 August 2013 (CEST)