Has anyone used an MSB DAC fitted with volume control/ preamp to an integrated amp or to an external preamp? If so what volume level was the MSB turned up to? I’ve been told turning the volume all the way up is the best way when using an integrated amp or seperate preamp? Has anybody compared the MSB DAC with and without volume control/preamp in combination with integrated preamp or seperate external preamp. I’ve been told that turning the MSB volume control all the way up makes the analog signal bypass the built in volume and makes the DAC perform exactly the same as a unit without built in volume control/preamp.