Power Cable #2 : Taralabs TL-AC vs normal power cord & Audioquest NRG-X3, NRG-Y3, Monsoon, Hurrican

Part 1 : Normal power cord Part 2 : Taralabs TL-AC power cord with Ladder Schumann dac Part 3 : Taralabs TL-AC power cord with Yamaha A-S2200 amplifier I have difficulty to identify which one is better. I think my hearing is below average. Or I need to add a power conditioner. Audioquest power cord comparison: === Normal power cord & basic power strip ==== === Audioquest NRG-X3 & basic power strip === === Audioquest NRG-X3 & Audioquest Niagara 1000 Power Conditioner === === Audioquest NRG-Y3 & Audioquest Niagara 1000 Power Conditioner === === Audioquest Monsoon & Audioquest Niagara 1000 Power Conditioner === === Audioquest Hurricane & Audioquest Niagara 1000 Power Conditioner === Comments from the listener : The sounds is more round, more open, less harshness, more natural, the bass is deeper.