Moving on to inputs page 2 of Meridians data sheet. "on the input side, the G68 includes a dozen SPDIF digital inputs, six of which can be configured as up to two 6-channel inputs with Meridian SmartLink. There are also four Toslink optical inputs and eight stereo analogue inputs, ... All inputs are reconfigurable for an incredible degree of flexibility."
Two by 6-Channel Inputs is a bit of a give away, especially if one reads Specs for a living

Of course, Meridian should have redesigned the G68 to take 8 channel Inputs as part of the recent changes
More importantly, your dealer should have understood what you were looking for and pointed you in the right direction
However, when it's your money, you also have to take some of the responsibility of making sure that a particular product will do what you want it to do