I agree with Lak on the dedicated circuit. I had this done in my house, and it's REALLY effective, and affordable. Like Lak says, go for the 20 AMP circuit, even though it's more than is needed for your current amplifier. It won't cost much more than 15 AMP, and who knows, you might want to use a bigger amplifier someday.
I also think that adding a modest, but useful, power filter like the Chang 3200 is a good idea. I do not believe in spending $ on power cords, so I'd leave that up to your personal feelings on the topic. If you really want to include an after-market power cord in this power upgrade scheme, the absolute most I'd spend is $50 for a used Cardas Twinlink. Be sure it's factory-terminated (not DIY), as it's cheap, they do a terrific job, and they use decent quality connectors.
The circuit and filter should be a cheap and BIG improvement. Like Lak mentioned, be sure to ask for 10 gauge wire for the circuit, and have the electrician use a quality "hospital-grade" wall outlet.
I also think that adding a modest, but useful, power filter like the Chang 3200 is a good idea. I do not believe in spending $ on power cords, so I'd leave that up to your personal feelings on the topic. If you really want to include an after-market power cord in this power upgrade scheme, the absolute most I'd spend is $50 for a used Cardas Twinlink. Be sure it's factory-terminated (not DIY), as it's cheap, they do a terrific job, and they use decent quality connectors.
The circuit and filter should be a cheap and BIG improvement. Like Lak mentioned, be sure to ask for 10 gauge wire for the circuit, and have the electrician use a quality "hospital-grade" wall outlet.