In reply to:

I've got a spare "universal" adapter here which claims:

INPUT: 120VAC 60Hz 7W
OUTPUT: 1.5/3/4.5/6/7.5/9/12V
VA: 12VDCx300mA MAX

Wouldn't work.. You need teh ampage to be around 1amp for the mk2, and 2amps for the mk1...
-mark

...proud to have owned one of the first Mark I units

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