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View Full Version : Is this enough to drive sierra's?



o0Lo0P0o
01-25-2008, 07:56 PM
I own an Onkyo 647 receiver which has these specs:

Power Output* (8 ohm, 20 Hz-20 kHz, FTC)
Front L/R 95 W/Ch
Center 95 W
Surround L/R 95 W/Ch
Surround Back 95 W
Power Output* (6 ohm, 1 kHz, FTC)
Front L/R 115 W/Ch
Center 115 W
Surround L/R 115 W/Ch
Surround Back 115 W/Ch
Dynamic Power** (front)
3 ohm 225 W
4 ohm 170 W
8 ohm 105 W


Does this look like enough to drives these without any problems?

drewface
01-26-2008, 02:08 PM
plenty

Jonnyozero3
01-26-2008, 03:47 PM
You'll be fine. My H/K with ~60w/ch does fine.

That said, I do want to upgrade :D

o0Lo0P0o
01-26-2008, 10:44 PM
Thanks for all your replies. I wasn't sure if this receiver really puts out as much as is stated.