Suggest you replace the pre-out/amp in connectors on your amp with after market rca jumpers, if you have not already done so.
You could try a regular interconnect cable first, if you're skeptical about the benefits.
You will probably get a bigger benefit from this than trying to replace the power cord.
You could try a regular interconnect cable first, if you're skeptical about the benefits.
You will probably get a bigger benefit from this than trying to replace the power cord.