Hi TJ, the difference is simply that the ‘M’ in LR+M is a separately switched mono mix bus, while the ‘M’ in LR+Msum is a mono sum of the LR mix. In your case the LR+M would be better as you could switch selected channels to feed the M output for the sub.

Press Mix on the main LR master strip and use the Assign key to assign channels to the LR stereo bus. Press Mix on the main M master strip to assign channels to the M bus. Channels can be assigned to both the LR and M buses at the same time. You would want to do that with your sub feed. For example, the kick drum would be assigned to both LR (tops) and M (sub), but a vocal would be assigned to just the LR bus (tops only).

I hope that helps,
Carey

TJ –

Perhaps the LRSub template would be what you’re looking for, in your example?

Oops! I just realized we’re talking GLD here, I see there is no LRSub template… nevermind…

Tim Tyler
Detonator Sound
Richmond, Va USA
T112/48 R72/32 laptop iPad Dir-815

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This was also more difficult than it could have been, since the LR and M outputs do not appear on the routing tab of the input channels, though everything else does – groups, auxes, etc. It would be great if this could be added here.

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+100 for me too!!! It seems A&H staff just forget it

Regarding the sub feeding,I use a more versatile solution to this situation (just tried yesterday):
instead of an “M” group to feed the sub, I simply use a postfader mono aux and put its channel strip just before the “mainLR” one.
In this way you can control not only the “on/off” presence, but the quantity too, as it’s a normal aux.

regards
Massimo