| Plug the ampeg 810 into one of the 4 ohm inputs and all will be fine. The Orange will work happily with either an 8 or 4 ohm load. Your 810 is 4 ohms, so plug it into the 4 ohm input. If you are using an 8 ohm cab plug into the 8 ohm input. If you are using two eight ohm cabs plug each into a 4 ohm input as the combined load is 4 ohms. Someone has kindly put together a comprehensive manual for the AD200 which is quite useful - google Orange AD 200 manual and it should show up. As you may guess, I own one of these.
Last edited by Tim1 : 11-23-2011 at 12:29 AM.
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