For a way to burn in interconnects; I've found a cheapo DVD/CD player and the 'Irrational But Efficacious' CD, set to play repeatedly, a good way to accomplish the task. Especially: since my CDP has six Siemens CCa valves, in it's output section, that don't need the hours.
ie:
and:
https://www.amazon.com/Cardas-Acoustics-Irrational-Efficacious-Burn/product-reviews/B00OY8UXME
Happy listening!