![]() Safety must be made a priority whenever you solder – AVCSS Guitar World cannot be held responsible or liable for any injuries incurred from any soldering method or technique shown in this booklet and DVD. Just like anything else, the more you do it, the more you practice – the better off you will be at it… ![]() If you don’t know how to solder correctly, you could get a “Cold” solder joint (which looks like a good connection, but it’s not), the solder can drip and cause a short, you can burn the wires inside the cable jacket, etc. Anyone can solder, but not everyone can solder correctly. But the first thing I will stress when it comes to Soldering is to always use “Caution” and follow all “Safety” guidelines and precautions… Always!Įven though soldering looks easy, it really isn’t. So there’s no opportunity for crosstalk or ground loops.This menu page will show you how to solder an XLR audio connector below. The primary benefit of a balanced audio signal (when done right) is that the audio signal never touches the ground plane of the amplifiers or other instruments in the system. How do you fix this? The solution seems fairly obvious in retrospect: you isolate both wires in the signal chain so that the positive and negative halves of the signal are carried separately from anything else. Crosstalk: This happens when one signal on the same system crosses to another.This creates buzz, hum, and can even carry audible radio signals if you are positioned too close to an AM transmitter. EMI and RFI: Transformers, motors, and high-frequency electronics can create magnetic fields that induce a current in your audio wires.Ground loops happen when audio takes two different paths to get to the amplifier: one path through your audio cable and a second path through your building’s wiring. Mostly, you’ll hear this as a low hum, although it can also manifest as static or irregular buzzing sounds. Ground loop noise: In my 35 years of experience with pro audio and video systems, this is the most common and annoying issue, especially when computers are involved.This creates an opportunity for several different types of noise to enter an audio signal chain: The problem is that most audio systems treat the circuit as if there’s only one wire, usually the center conductor in a piece of coaxial cable, and they merely combine the other wire with all of the other electronics in the system. A microphone pushes electrons onto one side of the cable, the electrons are passed to an amplifier, and then back to the other side of the microphone. Audio isn’t any different: you need the positive and negative sides of an audio signal for anything to happen. ![]() The electrons must make a complete loop from the battery’s negative pole, through the wire, through the light, and back to the battery again. You need both the positive and negative connections to make the bulb light up. When you only hook one side of the battery to your flashlight’s bulb, nothing happens. If you’ve ever changed the batteries in your flashlight, you have probably noticed that there’s a plus (+) and a minus (-) side to the battery.
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