The DA7 manual advises using an external proprietary surround processor, essentially because the sub-bass channel is normally derived by filtering off low-frequency information from the five main channels — a function not provided within the desk. However, the DA7 does provide a dedicated subwoofer...
Panasonic/Ramsa WR-DA7.Evaluates the WR-DA7 digital audio mixer developed by Panasonic Co. and Ramsa. Number of input channels; Faders; Dynamics processors; Display; Level matters; Dimensions; Weight; Master outputs; Monitor outputs; Market price.Cleveland...