HELP Cyrus amp - powercord has only 2 conductors

Female input on the amp only takes powercords has only 2 holes, not grounded.
Can I plug in a regular POWERCORD into this power amplifier?
if the plug is the same size....newer revox is the same
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Thanks, so may I use a regular power cord from North America that is grounded? It did not work when I tried my Audience Powercord?