+-70v and opamps

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Hi all!

Not really sure where to put this, but ill try here since it is signal level.

I would like to power up a opamp using my amplifiers power lines, it has +-70v and the opamp have max +-18v. Could i use a voltage divider to get the nessecarly voltage? Or maybe use a voltage divider to get the level down to around +-30 volt and then use some voltage regulators to regulate to +-15v? It is to use for a push and pull amp to split the signal, BB DRV134 device.

Thanks
 
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