“Recently got the Sony STR-AN1000. Very happy. Thinking about the 5000ES or 7000Es Candidly, I see nothing in the specs of the costlier models that makes me think there is any real benefit. Not enough wattage difference to make a difference. Am I wrong?”
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Hi MiketheD, Thank you for your inquiry. We're glad to learn you are enjoying so far your STR-AN1000. For main differences in specifications with these AV Receiver models, the STR-AZ5000ES and STR-AZ7000ES comes with a 5-year limited manufacturer's warranty, detachable power cord, and an RS232C port port for custom installations/integrations. The STR-AZ5000ES gets you a slight bump up in power to 120 watts per channel with 11 channels built-in. The STR-AZ7000ES also bumps up the power to 120 watts per channel and has 13 powered channels you can configure in a variety of ways. The two additional channels can be front wides or a third pair of height speakers. For your reference, please refer to the Power output and total harmonic distortion of these AV Receiver models below: STR-AZ7000ES With 8 Ω loads, both channels driven, from 20 Hz – 20 000 Hz; rated 140 W per channel minimum RMS power in stereo mode, with no more than 0.09% total harmonic distortion from 250 mW to rated output. STR-AZ5000ES With 8 Ω loads, both channels driven, from 20 Hz – 20 000 Hz; rated 120 W per channel minimum RMS power in stereo mode, with no more than 0.09% total harmonic distortion from 250 mW to rated output. STR-AN1000 With 6 ohm loads, both channels driven, from 20 Hz – 20 000 Hz; rated 100 watts per channel minimum RMS power in stereo mode, with no more than 0.09% total harmonic distortion from 250 milliwatts to rated output. I hope you find this information to be helpful! Regards, Jess
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