![]() In a real world situation, even though you'd be using a balanced cable, it would still be an unbalanced signal, because there would be no signal being routed to the 3rd wire, this is the essence of a balanced signal. It's simple, a DI takes an unbalanced signal and makes it balanced, you then use a balanced cable to get to the PA with minimal noise.Ī TRS to XLR is a balanced cable, however TRS isn't the same as TS which is an unbalanced connection and what a lot of instruments will put out. The worst that will happen is that you will hear a hum which if recorded will be part of the recording. There is no harm in trying out what you are considering. Those balanced TRS to XLR cables with NO transformers are usually used to run powered speakers, not for the input of instruments.Īn inline transformer should do the same thing for you as a direct box except that a DI has added shielding, grounding options and generally better transformers. ![]() Please just read up on it and figure out what you need for your application. Pickups are very high impedance (a synth, an iPod, the output of an electronic drum set, or a Line 6 POD is more likely to be line level). Typically these come with those new jacks that will take either an XLR or a 1/4-inch.īut "line level" is not the same as what a guitar pickup puts out. Many mixers these days have a switch that says -4 / +10 as the choices, these are choices between low impedance and line level devices. But it IS a good idea to know what you are doing in terms of impedance. I have plugged synths and other rack devices directly into mixers for home recording and practice and it works fine. If you have a balanced line level output from your amp sim pedal, you just need the correct cable/adapter to plug into the 1/4" line input on the mixing console. Some things you are using may provide the functions of a DI and then a DI would be redundant. Look at the Radial website-there is a ton of info on DI's. When you plug your guitar, keyboard etc into a DI, it provides the correct output level and impedance and makes it a balanced output so you can use an XLR to plug into a mic input on the mixing console. You don't want long unbalanced low level lines-they are prone to picking up noise and hum. So you can't really plug your guitar directly into a mic or line input, it isn't balanced and it's the wrong impedance and level than either input wants to see. They accomplish three things when interfacing an unbalanced source to a mixing console input-correct level, impedance and balanced output.Īn electric guitar has pickups that are mid impedance (say an average of 6 kilohms or so) and a relatively low output voltage compared to line level (but a bit higher than a microphone output).
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