Never put Wow/Flutter on the master bus. The Exception: Use it on everything else via a send.
In the realm of audio plugins, few names carry the weight of "Softube." When they released Softube Tape , it wasn't just another saturation plugin; it was an attempt to bottle the complex, non-linear physics of magnetic tape. But unlike a hardware machine with physical limitations, Softube Tape offers a depth that can overwhelm new users.