|
Audio Asylum Thread Printer Get a view of an entire thread on one page |
For Sale Ads |
66.32.254.65
In Reply to: Antenna ground loop hum posted by Richidoo on January 18, 2007 at 18:27:59:
Stick one of these little gems on the end of your coax before you connect it to your tuner. It works like magic.
Follow Ups:
Thanks Hepcat, that is a great little gadget! I hope it will not affect the sound of the signal too much. I will give it a try.
I bought Hepcat's little hum buster from Parts Express. I was surprised to learn it is designed for video signals between 100MHz and 1GHz. My listening is college band mostly below 100MHz. But it still works great at 88.9MHz. Highs are clear bass is solid and the ground hum is gone. Worth a try for $9 plus shipping if you create a ground loop by grounding your antenna coax for lightning as required by NEC code.I am pretty sure I have found the cause of the hum. It is a loop between my tube amp and the coax shield. I will try to fix that to eliminate the hum at the source, but until I fix it, I can still enjoy radio listening.
Thanks Hepcat!
Rich
The old classic is to connect 2 baluns back to back in your antenna to receiver feed line.Before you start farting around dangerously with your household grounds, please try that or something else.
As I recall, ground loop hum can become evident when you hook up various new components, due to the circuit created with the various ground connections you already have through your components to the wall AC feed. No, it's not necessarily cured by grounding your rooftop antenna; that may be why.
| ||||||||||||
|
This post is made possible by the generous support of people like you and our sponsors: