The is a vintage 12-channel passive audio mixer featuring a double digital effects processor. While a direct PDF manual for the XD 66 is currently difficult to source online, its operation and interface are nearly identical to its siblings in the XD series, such as the Montarbo XD69 and the XD13/AD52 . Key Features & Operation
Check the front panel LED clip meter. If it is constantly hitting the red, turn down the output level of your mixing board aux send or reduce the Input Level knob on the XD66. Montarbo Xd 66 Manuale
Montarbo XD 66 Manuale: A Complete Guide to Your Digital Mixer The is a vintage 12-channel passive audio mixer