Da4 distribution amplifier module operating instructions and trouble-shooting guide lectrosonics, inc. Rio rancho, nm.
Introduction the da4 is a 2 width module that provides the means to control and distribute an input signal to four balanced, high-current output drivers. Each output has a separate level control. The da4 can supply up to 20db of gain, so small signals can be boosted to avoid noise contamination on l...
General technical description the da4 provides an electronically balanced and rf filtered, xlr type input, and four electronically balanced and floating, rf filtered outputs. In addition, a through output is provided to allow the input signal to be passed through the da4 on to other modules. The inp...
Front panel description output level (1-4) - controls the output level for each output. These controls are non-interactive, so all output levels are completely independent. Rear panel description input - accepts a balanced (or unbalanced) input to the module. Through output - provides an output whic...
Service and repair if your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equipment needs repair. Make sure you have followed the setup procedure and operating instructions. Check out the inter-connecting cords and then go through the trouble sho...
Specifications maximum gain: 20db thd @ +4dbv, 20-20khz: less than .05% imd @ +4dbv, 60/7khz: less than .05% noise @ unity gain: 20-20khzless than -82dbv maximum input level: +20dbv maximum output level: +20dbv for loads greater the 600 ohms input impedance: 20k ohms, balanced or unbalanced input ty...
Limited one year warranty the equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping. This warr...
