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Grounding questions

I’ve had an issue with a slight hum through my system for a long time. System consists of Jolida Fusion Preamp and JD1000P amplifier. Both plugged into Futman Elite 15 power conditioner. It’s not dependent on any sources. Hum is there when amp is on. 
 

I have a dedicated line for the outlet to the Furman. Hum does not increase with higher volume. 
 

Maybe it’s an issue with the power amp but it could be an issue with the house wiring. The house is 62 years old and the fuse box is original and not grounded. Before I pay $800 to have it grounded, what do you think is causing the hum? It’s not cable related as I’ve swapped interconnects. The pre and amp are connected by a balanced cord. 

128x128mschott

Showing 1 response by erik_squires

erik_squires
15,795 posts
 

+1 on yes, it should be grounded. Will prevent shocks and improve surge protection. May not fix your hum.

At 63 years old, it is time to bite the bullet and come up to code my friend. In panel surge protectors, arc fault breakers and better distribution of your power circuits for the future, not to mention god only knows how many of those fuses are the wrong size.

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