No, that's the problem, yours is asking for an AC output, not a DC - I've never encountered that.
A bush is, if you like a collar, fitted over the original shaft, which, in this case, changes the RPM output.
for only £47.96 on Amazon, you can wake up with a nice cup of tea and pass one over to the wife, who needs subliminal!

- of course, the key point here is that tea tastes better the nearer you are to sea level, which prompts the question: why did they throw it in to Boston harbour, when it was at near to perfect?