Logic Express Presonus Firebox only left channel output in phones

I upgraded from GarageBand. I have a 17" MacBookPro and a Personus Firebox. I configured the AudioMidi Preferences on the Mac to the Firebox for input and output. When I play back a mono track I only hear the left channel in the phones. I am panned to center. In GarageBand when I configure the Mac as the Audio Driver I hear my mono mix in both L and R phones which is what I want.
Also, in Logic Express, I get no sound when I configure the audio out to the Mac. It needs to be routed to the Firebox.
Any ideas?
Thanks, Jonathan

Thanks for the advice. I tried listening to a song from my itunes library, not using Logic and I still heard just one channel. The culprit must be a faulty connection in the Firebox.
JS

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Message was edited by: PHAT ROB
Message was edited by: PHAT ROB

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THANK YOU and Merry Christmas!!
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OK doesn't look possible. Closing discussion.

Logic Express Presonus Firebox only left channel output in phones

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