Quote Originally Posted by Mr Peabody
I'm sure Onkyo's 40 wpc is accurate to conservative and would drive 86dB alright but I'd suggest, and think you'd be more happy, with a speaker 89dB or better if you are going with a low power amp. One other thing that may help is going with a 4 ohm speaker to milk more power from the amp. A "high current" design, and Onkyo's digital amps, almost double their power into 4 ohms opposed to 8.

JM, the 9555 must have found a home, I see the signature changed.
You are right but I have to position the speaker against a wall (10 cm) and there are only the Monitor Audio as Front Reflex AND 90 db.