Denon
AVR-S770H
amplifier
$679
Used market: $490*
Specifications
2 of 6 values have a recorded sourceExpert Audio Engineering Commentary
Headroom Notes
75 W + 75 W into 8 ohms, 20 Hz - 20 kHz, 0.08 % THD is the figure recorded here. The box and the shop listings carry 110 W instead — that is 6 ohms, 1 kHz, 0.7 % THD. Same amplifier, 47 % more watts, three conditions changed at once.
Thermal Behavior
Rated 4 - 16 ohms. Denon's connection page is explicit: when speakers of different impedance are mixed, set the receiver by the lowest one. The 4 ohm rating is conditional on that setting, not automatic.
* Estimated with the depreciation fallback (~72% retained value). · checked on 8/5/2026