Can I bi-amp with an integrated amp's Main-In, and a Power amp?


Hello to all...

Awaiting a New-To-Me pair of Vintage Gershman Avant Garde RX-20s...

SInce I've got 2 sets of binding posts on the back of the Gershmans: I'm wondering if I can bi-amp them, using my Onkyo A7 Integrated Main-In for the top (mid and tweeter), and my Nikko DC Alpha 230 Power Amp for the woofers.
I feed the signal (into either, independently) thru my Phillips High Fidelity Labratories Pre-Amplifier, presently into the speakers I'm playing (the LBL L25s) which are not bi-amp or bi-wireable...

Does this seem foolish? Should I be thinking Bi-Wire and not Bi-amp? or should I just jumper them and stick with a one power supply?

Any thoughts or clarifications would be appreciated... Thanks in advance.
justvintagestuff

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