Value of upgrading only 1 set of interconnects?


I currently have 2 sets of Cardas balanced cables. 1 set goes from DAC to Pre, the other goes Pre to amps. I’m considering upgrading the DAC output set to something like Teo Audio , Cerious ,or High Fidelity.

Should the 2 sets be of matching quality or can I expect a significant enough improvement with just 1 upgraded set?
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If you want a big upgrade get PURIST ASAP.
I mix Purist Audio and Wywires cables in my system with good results. Specifically Purist Audio Neptune and Wywires Platinum RCAs.
Purist Dominus power cord works great on power amp, by the way.