Question for those using the TX-RZ50. If you connect a Kill-o-watt to the receiver and use the TX-RZ50 with external amps only what is the energy usage of the receiver? Many Denon 3700/4700 users are using full preamp mode either for stereo or full 7.2.4. It wouldn't be unusual for TX-RZ50 users to use pre-outs and external amps too. More @Wikipedia
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