Your best bet is to throw that Legacy amp on eBay man, everyone around here knows what they are and can do... Not to be a dick about it, just letting you know man. I made the mistake of buying a Legacy "1200w" amp as my first amp and found out about them later that week, put it on eBay for $10 less than what I paid and sold it to some moron...
i have a phoenix gold x600.1 2005 model that i'll let go for $200 + shipping. Only used for 4 months! Bought it originally for $250 + shipping brand new. Still have box and everything. Let me know if you're interested.