Originally Posted by madurodave
I thought the receivers were 135 watts PER CHANNEL. The 807 has 7 channels, thus the 945 watt power output. Am I wrong here?
I am still waiting for someone more savvy than I am to respond to this, but in the meantime, where did you get 945 watts of power (other than likely simply multiplying 7 times 135 watts)?
According to all of the specs I have seen on the 807 (including the Onkyo TX-NR807 Instruction Manual), here is the "official" rundown:
- 135 watts minimum continuous power per channel, 8 ohm loads, 2 CHANNELS DRIVEN from 20Hz to 20kHz, with a THD of 0.08%.
- 145 watts minimum continuous power per channel, 8 ohm loads, 2 CHANNELS DRIVEN at 1kHz, with a THD of 0.7%.
- 160 watts minimum continuous power per channel, 6 ohm loads, 2 CHANNELS DRIVEN at 1kHz, with a THD of 0.1%.
- Maximum Output Power: 7 channels x 230 watts at 6 ohms, 1kHz, 1 CHANNEL DRIVEN.
- Dynamic Power: 300 watts (3 ohms/front), 250 watts (4 ohms/front), 150 watts (8 ohms/front).
Based on the above, where do you get (or where did you hear of), that the 807 could put out 945 watts with 7 channels driven?
I honestly don't know what the definitive answer is to my original question, but I will logically venture a guess that with 7 channels driven at 8 ohms from 20Hz to 20kHz, with a THD of 0.08% ... that we could be looking at something more realistically in the range of 50 to 75 RMS watts per channel. I don't like what Onkyo does from a marketing perspective in terms of claiming 135 watts per channel (keeping in mind that that only refers to 2 CHANNELS DRIVEN), but it seems like a lot of the home theater receiver manufacturers do the very same thing.