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Loud Hum

I recently bought two Brystons 7Bst's to power my Revel Salons. I also have a Bryston 1.7 and I am getting a LOUD hum from ALL speakers (I run the center and rears with a Proceed HPA 3 while I purchase other 7BST's). The Proceed did not make the HUM while I was using it to power the two Salons and center channel, but now that I am using it to power the center and surrounds it is VERY loud. My Revel B 15 ALSO has the HUM (although not so loud).

Any suggtestions?

Thank you!
dynasys
driver's avatar
driver
750 posts
 
Turn off all equipment & unplug everything. (This also gives you a chance to clean/check all connections) Start over but just connect the spkrs to the 7BST's. If there's a hum, there's your problem. If not, go through the hook-up sequence one piece at a time until you locate. Make sure to turn off all gear everytime you connect/disconnect.

It's been my experience if it's not the component itself the AC is the culprit and most of the time it's the AC & not the component. If it turns out to be the AC, do a search through the archives for ways to address this. Good luck.
darrylhifi
498 posts
 
Step one. If you have satellite or cable TV ,disconnect the coaxal line from your set top box and tell us if the hum goes away.
dynasys OP
5 posts
 
Thank you Driver. I will try that. I also just noticed that my lights (overhead) that have a dimmer are making a hum. I have both Brystons on a dedicated power line. I will try disconnecting everything.

Thank you Darrylhifi. I do not have satellite or cable connected.

Any other suggestions?
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