Don't want to steer you away from the Furutech if you're set on it, but I've had good DIY results on tube/hybrid power amp with Acrolink 7N P4030II.
https://www.ebay.com/itm/ACROLINK-7N-P4030II-Stressfree-Power-Cable-Sold-By-1Meter-Each-Cut-100-Genu... Very smooth and detailed, with good bass. And 7N P4020III on all things digital. Oyaide connectors (I'm using P/C-004) are a bit pricey, but are rock solid.
https://www.ebay.com/itm/ACROLINK-7N-P4030II-Stressfree-Power-Cable-Sold-By-1Meter-Each-Cut-100-Genu... Very smooth and detailed, with good bass. And 7N P4020III on all things digital. Oyaide connectors (I'm using P/C-004) are a bit pricey, but are rock solid.