"Is it possible to buy an interconnect that would be unbalanced on one end and balanced on the other end so that I could connect to the balanced inputs on my Coda CS amp? "
In a word, no. What Al wrote is correct.
A signal is either balanced, or not. Putting an XLR connector on the end of an unbalanced preamp output doesn't magically convert it to a balanced signal.
In a word, no. What Al wrote is correct.
A signal is either balanced, or not. Putting an XLR connector on the end of an unbalanced preamp output doesn't magically convert it to a balanced signal.