One of the differences between the SR6012 and SR6011 is the HEOS integration on the SR6012 and lack thereof on the SR6011. HEOS allows the SR6012 to became part of a wireless multi-room system where, in the event you have HEOS speakers or another HEOS receiver, you can use the HEOS app to control the music that is streamed to each room, as well as to choose from a variety of streaming services as your source of music content. The SR6011, on the other hand, is limited to using wired connection in case of a multi-room setup. The Height 1 and Height 2 speaker terminals are assignable, and can be used for connecting stereo speakers that are placed in another room. Doing so, however, means that you'll be left with 7 available amp channels in your main zone (if stereo speakers are used in another room) since the SR6011 has a total of 9 amp channels. The same applies to the SR6012 as well.
As previously mentioned, the SR6012 and SR6011 have 9 channels of amplification. The power amp section consists of identically configured discrete high current, high power output devices. The SR6012 and SR6011 are rated at 110 watts per channel (2 channel driven into 8 ohms, 20Hz-20kHz, with 0.08% THD). This means that no compromises are being made with any of the 9 amp channels, and speakers are equally driven on all channels. The SR6012 and SR6011 are capable of 11.2 channel processing and are equipped with 11.2 channel pre-outs, meaning that they can support a 7.1.4 Dolby Atmos speaker setup with an external 2 channel amplifier. If you don't have or don't want to use another amplifier, however, the SR6012 and SR6011 can drive 5.1.4 or 7.1.2 Dolby Atmos setup thanks to their 9 channels of built-in amplification. Besides Dolby Atmos, the SR6012 and SR6011 support another object-based audio format: DTS:X. It needs to be said, though, that you might need to update the firmware on the SR6011 in order for DTS:X decoding to become available whereas the SR6012 is able to decode DTS:X out of the box. Neither of the two receivers support Auro-3D, however.
There is no difference in the Audyssey features that can be found on the SR6012 and SR6011. For example, the Audyssey MultEQ XT32 provides you with three types of compensation curves to choose from: Reference, L/R Bypass and Flat. In order to use them, though, the Audyssey Setup needs to performed first. There is a supplied measurement microphone, which can be placed at up to 8 different locations in order for the output of each speaker (including the subwoofers) to be analyzed. Subsequently, precision digital filters are generated thanks to which each channel is optimized in respect to the frequency and time characteristics of the listening area. The calibration results can be reviewed and further adjusted through the Audyssey MultEQ Editor App but this app needs to be separately purchased for either iOS or Android devices. Another Audyssey features that the SR6012 and SR6011 have in common are Dynamic Volume and Dynamic EQ. The former evens out large variations in volume that may, for example, occur during TV commercials, whereas the latter aims to prevent sound from deteriorating at lower volume levels. The SR6012 and SR6011 also feature the Audyssey LFC (Low Frequency Containment) which is intended at minimizing the amount of bass and vibration that is conveyed to adjacent rooms by first removing the low frequencies that may pass through walls and then applying psychoacoustic algorithms in order for you to still be able to perceive deep bass. The Audyssey Sub EQ HT is also present on both the SR6012 and SR6011.
The SR6012 and SR6011 have 7 HDMI inputs on the back and 1 HDMI input on the front. The number of HDMI outputs, however, is different. While the SR6012 has 3 HDMI outputs (2 Main zone and 1 Zone2), the SR6011 has only 2 HDMI outputs (1 Main zone and 1 Zone2). In terms of HDR signal pass-through, the SR6012 and SR6011 support HDR10 out of the box. The SR6012 is also capable of Dolby Vision and HLG (Hybrid Log Gamma) pass-through out of the box. The SR6011, on the other hand, requires a firmware update in order to be able to handle Dolby Vision and HLG feeds. Both the SR6012 and SR6011 support HDCP 2.2 on all HDMI inputs so you can use any input for connecting a UHD Blu-ray player.
Another difference between the SR6012 and SR6011 is that the former can decode ALAC at up to 192kHz/24bit whereas the latter (i.e. SR6011) can handle ALAC only up to 96kHz/24bit. FLAC and WAV decoding capabilities are identical since both receivers are able to decode these formats at up to 192kHz/24-bit.
Check availability and pricing on Amazon.com for the SR6012 and SR6011 (affiliate links; As an Amazon Associate I earn from qualifying purchases.)
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