Stumbled across this video today. Seems like I need to find an oscilloscope.
I wonder how much audible hum coupling caps introduce into amps, if at all.
https://www.youtube.com/watch?v=BnR_DLd1PDI
Coupling capacitor "polarity"
3 posts
• Page 1 of 1
Coupling capacitor "polarity"
by kku » Tue Jul 07, 2015 4:37 pm
-
kku - Posts: 64
- Joined: Mon Jul 25, 2011 5:30 pm
Re: Coupling capacitor "polarity"
by Geek » Tue Jul 07, 2015 11:26 pm
Cripes, we forumers couldda explained that in 5 minutes 
Just use a phono stage with test leads. One direction will be hummier than the other. No scope needed
Just use a phono stage with test leads. One direction will be hummier than the other. No scope needed
-= Gregg =-
Fine wine comes in glass bottles, not plastic sacks. Therefore the finer electrons are also found in glass bottles.
Fine wine comes in glass bottles, not plastic sacks. Therefore the finer electrons are also found in glass bottles.
-
Geek - KT88
- Posts: 3585
- Joined: Sun Oct 21, 2007 3:01 am
- Location: Chilliwack, British Columbia
Re: Coupling capacitor "polarity"
by soundbrigade » Wed Sep 16, 2015 2:23 pm
I remember an article in Dutch journal Elektor Electronics, describing a polarity tester. The idea was find which lead was connected to the outermost capacitor metal foil. By connecting that lead to a point closest to ground would minimize hum pickup.
Haven't got the article but still .... do I care?
Haven't got the article but still .... do I care?
Magnus
"It is always more difficult to fight against faith than against knowledge."
"It is always more difficult to fight against faith than against knowledge."
-
soundbrigade - KT88
- Posts: 1760
- Joined: Mon Jan 28, 2008 4:57 am
- Location: Little Paris, Sweden
3 posts
• Page 1 of 1
Who is online
Users browsing this forum: No registered users and 7 guests