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Harmon kardon avr700I went to Fry's and listened to denon, Sony, Yamaha (which I have), and the HK700. It isworth noting that switching power supplies, while more efficient, often involvecompromises that are typically considered undesirable in audio applicationswhen cost is a limiting factor. Harman ascribes the difference to the use ofa custom designed switching power supply in the AVR 1700 and bills this aseco-friendly due to higher efficiency, while the AVR 700 uses a traditionallinear amplifier power supply design. In addition to the AVR 700 and AVR 1700featuring different amplifier power supply designs, they have a different focuson connectivity.The physically larger AVR 1700, rated at 100watts per channel, weighs in at 12.8 pounds, which is significantly less thanthe AVR 700, rated for 75 watts per channel, at 20 pounds.
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