Blaupunkt GTA 260 transistor replacement

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This amp has really simple problem: power supply FETs need to be replaced.
Problem is that I dont understand which transistor is it?
Writings on it say:
TP64N
055T
IXYS K723
K0725

Google doesnt give anything on the subject, only links to idiotic sites which say: datasheet not found.
There was a hint that IRF4905 would be a suitable replacement.

 

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