Home made AC-AC power supply question

I have a device requiring 9v AC 2.5 Amp.

So do I get a 240v-9v transformer from the electronics shop and put it in a
case, attach the correct leads and I'm done.

I suppose an inline fuse might be a safety precaution.

Is this all that's required or is there some sort of regualting curcuit that
I should add?

Tranformer I was thinking of using

http://www.rsaustralia.com/cgi-bin/bv/rswww/searchBrowseAction.do?N=0&Ntk=I18NRSStockNumber&Ntt=347-2802&Nty=1&D=347-2802&callingPage=/jsp/line/line.jsp&BV_SessionID=@@@@1961233655.1195777482@@@@&BV_EngineID=ccdcaddmigmekeecefeceeldgkidhgn.0&cacheID=auie&Nr=avl:au






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