Wire break-in safe without speakers?

I wouldn’t worry about it.  Just Hook the system up, let er rip and see what happens.  That’s how normal people do it. 

You'll be glad to know that cable break-in is a total myth. Carry on!

Just listen to music, seriously why are you worried about this at all. 

If you contact "Luminator" over at the Audio Asylum forum, Lummy will condition your cord of cords with the Cable Cooker for a fee & return shipping.

@dill 

I have looked at getting a cable cooker device for at least a couple decades… I alway have balked at the price. In retrospect, it would have been a great investment and saved an enormous amount of time. If you have a good system… it is probably worth it. 

"Would the RCA cables break in just hanging off the playing CD player?"

- No, has to have a completed and live circuit ...

"You are correct. But the cables will not "burn in" without a completed circuit–speakers or a load."

Ok this makes sense.  😎

Would the RCA cables break in just hanging off the playing CD player? 

You are correct. But the cables will not "burn in" without a completed circuit–speakers or a load. 

I understand that tube amp generally needs a load because of the output transformers but thought SS amps were ok without.

The Cable Cooker

https://www.thecablecooker.com/

Are they directional? More BS IMO.

Thats excellent advice from audphile1.

If you’re running an amp you need either the speakers or a dummy load. You can’t run it into thin air.

example on amazon…

https://a.co/d/e0YrCOa