The left channel is testing 4.5 and the right channel is testing 10.8.
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I use a Radio Shack meter to set the bias on my SLI-80. It has a mA scale and I set it to 75. Not knowing your meter and what scale you have it set on it is difficult to provide you with a difinite answer. If you are on the mA scale which it sounds like you are then 75 would be the correct setting. Sorry I couldn't be more help.
Make sure the amp is warmed up before testing for the bias current as it will tend to drift when cold.
Make sure you have your multimeter set for mA & set the dial for the closest number greater than 75mA so the bias reading will be less than the dial setting - then see what figure you get. You're probably using the wrong setting or scale so to speak. As Chuck says warm it up at least 20 min. or suffer more aggravation. It's a great amp, enjoy.