Have QS mono block 60 watt tube amps with 97.5 dB efficient Speakers tried combination of long IC & short SC & different brands of cables the best I found were boutique cables Zenwave alloy( gold & Silver etc) & Wywire , I ended up with Wywire all copper Both IC 2 meter 3 meter Speaker cables ( although tried Mogami 1meter self terminated cables ) I don’t like cables that seem to be used as tone control that is what I found with Silver ( bright) or silver gold alloy . The Wywire are very neutral you hardly know they are their in your system
