Combo Amp/Kustom

[H3nchman]

Hello all,
I apologize if this question is confusing. So my question is two fold.
1. I have an Ibanez sw35 combo. This is an older model combo that has a 1/4 inch cable that plugs into the combo amplifier from the back. Last Monday I plugged this 35 watt combo head into my buddies Crate 410. I am wondering if this will damage my amp or the cabinet.

2. I was looking at my local GC, and they have a Kustom KB200H for $200 used. Does anyone have any experience with these amps. What kind of tone to they get, and will they last?

Thanks everyone!