It just seems unusual that they were 110V when the "european" 128K models were all 240V - many later Macs sold in Australia shared Apple European part numbers.Very interesting - makes me wonder where my two 240V 128K Macs originated from Mine are both bone stock, and appear to not be upgraded (eg. with a later analogue board, 512K board).

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Post your manufacture dates Byrd. After reading Shred's description of the transformer box, it leads me to speculate that Europe got all the 240V 128Ks they were able to produce as it was likely a stronger market for Apple, and in order to get the Mac to Australia at all, Apple chose to ship the surplus 120V models with a hastily assembled transformer (everything else at Apple was beige, but a white transformer?). Isnt't Japan a 110V too? Remember Apple sold record numbers of 128Ks in the first 100 days, as many as they could produce. By mid-'84, the Mac's future was not quite so rosey and they had plenty of time to catch up with 240V PSB production for Australia.

Of course, if your serial numbers turn out to be early '84, then my theory is shot.