Bought new Yamaha receiver and all speaker jacks are bare wire except the sub woofer. We have been able to make use of our old speaker system with the new receiver except for the sub woofer. Can you not cut one end of the RCA single to make bare wire connection?
Yes you can modify RCA cables to make bare wire tails.
If the unit has a sub o/p then you just connect up your sub bass unit to whatever the amp needs.
An RCA cable is 2 wire which is all you would normally need for sub bass speaker level signal.
It may be a good idea to eventually upgrade the wire size if you want really good sub bass as lower frequencies draw more current and so require more copper.
Please let me know if this any help, thanks for using FixYa.
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