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Doug Fleenor Design 121-3 DMX512 One Input / One Output Isolation Splitter / Amplifier - 3 Pin XLR

Item #: DFD-121-3 MFG #: 121-3

Doug Fleenor Design 121-3 DMX512 One Input / One Output Isolation Splitter / Amplifier - 3 Pin XLR
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List Price:

$517.00

Our Price:

$449.00

Availability: More on the Way
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This item is currently out of stock – we will ship it the minute we receive it. Select items may be affected by U.S. supply chain delays. Expedited delivery and alternative options may be available. Email [email protected] or call 800-522-2025 and we'll make it happen.



    121-3 - Overview

    The Doug Fleenor Design 121-3 is a DMX splitter that is available in three standard configurations: three, five, or eleven outputs from a single DMX input. An enhanced five output splitter with miswiring and lightning protection, and a universal power supply is also available (see the model 125EE data sheet). Units with any number of inputs and outputs may be manufactured on a custom basis.

    Each output is electrically isolated from the input, and from every other output, by 2500 volt optical couplers. Each output has its own line driver and associated power supply.

    The DMX splitter allows connection of DMX receivers (dimmers, color changers, moving lights, etc.) in a star configuration as opposed to a daisy chain configuration. In a star configuration, each control cable is run to a central point, in this case the splitter. In a daisy chain configuration all the devices are connected on one control cable, the output of one feeding the input of the next. It is not good practice to simply split a DMX control cable using a "wye" cable as this can cause signal corruption due to reflections. Typical uses of the splitter include splitting the control signal between stage right and stage left dimmers, running an isolated split to a string of color changers, splitting and isolating a feed to a wall outlet for temporary or rented dimmers, isolating a stack of dimmer packs from each other, etc.

    121-3 - Required Accessories

      121-3 - Recommended Accessories

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