I asked a similar question, interested in the Opus Magna for a pair of Spectron amps, and this was the answer, received in a couple of days. I hope it helps you too.
>>> OPus Magna which is 2000VA would set you back by USD720 SHipping is heavy at 40kgs which would be USD310 I have this is in raw stock so waiting is 4 weeks or less <<<
Romandoc