Before looking into a replacement powercord for your BPT take a look at the new Oyaide duplex outlets.
I found that the Oyaide SWO-GX (Gold) had provided a significant improvement to my BPT 3.5 Sig Plus. The improvements from the Oyaide were equivalent to a powercord change.
I found that the Oyaide SWO-GX (Gold) had provided a significant improvement to my BPT 3.5 Sig Plus. The improvements from the Oyaide were equivalent to a powercord change.