![]() There’s even a firmware update coming soon that will add Auro3D but given the different configuration, you have to wonder just how many speakers someone can actually install at one time. There’s support for almost every surround format currently on the market, including the previously mentioned Dolby Atmos and DTS Neo: X. Audyssey Sub EQ HT is designed to make the integration of the two subwoofers seamless by compensating for any level and delay differences and applying EQ to both for better bass response. There’s also the option for discrete subwoofers and the level and delay can be adjusted for each one separately. There’s also Audyssey LFC (Low Frequency Containment) which dynamically monitors the audio content and removes low frequencies that pass through walls, floors and ceilings - handy if you live in an apartment. The SR7009 uses Audyssey MultEQ XT32 for the room equalisation and then adds a host of other features such as Audyssey DSX for additional height or width speakers. It also uses a high-speed current feedback amplifier so that high-definition audio can be amplified with higher fidelity. Starting with the audio side of things, the SR7009 uses discrete circuitry and a power amplifier that delivers 165W into each of the nine channels. It would probably be easier to list what the SR7009 doesn’t have because this is certainly a very well specified AV receiver. We started with a basic 5.1 and 7.1 speaker setup, before moving onto both 5.1.4 and 7.1.2 Dolby Atmos speaker configurations. The audio calibration process takes readings from eight positions in order to measure test tones from all the connected speakers and any subwoofers and thus equalise the effects of the room. If you have a tripod, then the overall process is easier but in case you don’t, Marantz include a cardboard stand to help you out. ![]() Marantz include a dedicated microphone that you connect into the front of the SR7009 during the setup process. ![]() ![]() It also checks the polarity of your speakers and the volume of your subwoofer(s) before taking you through the Audyssey MultEQ XT32 room equalisation process. The wizard covers everything from choosing your speaker layout to setting up your various inputs and outputs and any additional zones. This approach is sensible and helps to make the SR7009 less intimidating to anyone who might be unfamiliar with multi-channel AV receivers. Thanks to a very handy setup wizard created by Marantz, this is particularly easy and even a complete novice shouldn’t have any problems. ![]()
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