Mercenary Audio - How do I connect my FMR Audio RNC?

The information below will cover nearly all applications you will encounter while using the FMR Audio RNC. The information below, along with the wonderful illustrations, is courtesy of FMR Audio.

Before running out to buy cables or heating up ye olde soldering iron, ask yourself three initial questions:

1. Am I hooking the RNC up to an unbalanced piece of gear?

2. Am I hooking the RNC up to a balanced piece of gear?

3. Am I hooking the RNC up to special connections, like Mackie channel inserts?

Once you know the answer to these questions, you can plan the type/quantity of connectors that you'll need. However, one thing is for sure: you'll be hooking into the RNC with either a standard 1/4" phone jack (Tip-Sleeve, or TS) or a 1/4" stereo phone jack (Tip-Ring-Sleeve, or TRS). The other end of the cable will be determined by the piece of gear that you're hooking the RNC to and it's (the other gear) connector/electrical interface requirements. If you're hooking up the RNC inputs to a balanced source, we strongly recommend that you get the source equipment manufacturer's to advise you on the best way to do this. There are some output circuit and hook-up combinations that could damage your source equipment if you're not careful.

Connecting the RNC to unbalanced equipment

This connection configuration is the most straight-ahead.

Connecting the RNC to balanced (XLR) equipment

Here are the cable connections necessary to hook up the RNC to balanced equipment that uses XLR connectors.

For most of the balanced equipment you'll use, these cables are wired like this:

RNC 1/4" Plug	XLR Signal/Pin #
Tip	HOT (pin 2)
Sleeve	COLD (pin 3)
Sleeve	Ground

This all assumes that your equipment can tolerate connecting the COLD (Pin #3) to ground (some can't). So, to be on the safe side, please check with the manufacturer to make sure that you can hook up your balanced outputs this way.

Connecting the RNC to TRS Console Inserts

A unique aspect to the RNC's wiring is that it will connect to some console inserts — connecting both a single channel's input and output — with a single TRS cable:

FMR Audio RNC Manual Adobe pdf

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