MrTennis' explanation is on point, and very good.
The solution to the OP's desire for a touch more warmth is not with power cords, IMO. The components described are themselves not warm.
At the least, I would suggest some Mullard or Brimar tubes in the First Sound preamplifier.
The solution to the OP's desire for a touch more warmth is not with power cords, IMO. The components described are themselves not warm.
At the least, I would suggest some Mullard or Brimar tubes in the First Sound preamplifier.