At up to moderate levels, I agree with those above who advise that it should work. I use a 25W/Ch. 300b amplifier with 91db speakers in a larger room. Your Allison 4 speakers have a very benign impedance.
FYI:
http://stereonomono.blogspot.com/2012/06/allison-four.html
FYI:
http://stereonomono.blogspot.com/2012/06/allison-four.html