Done it MANY times Pioneer.
Congrats on your success.
You may find that it wears your PSU though.
In cases where the PSU just cant cope over the longrun and the components break down - you'll notice the amps (and hence the audio) chipping out momentarily.
So if that happens, you know its a sign! lol.
The AMP from time ago probably smoked itself because the diode's in the charger gave out, (because it couldnt cope with the load) and started leaking AC current through!
The PSU shouldnt do that. I doubt it would.
What friend there above mentioned is a good Idea. Ive used it in other instances.
Pair up 2 generic PSUs - you'll have twice the wattage.
MAN, if you get 3 of them, I bet you'll be able to run all channels of the AMP
(though thats asking for a lot
)
Whats your speaker setup like Pioneer? ^_^