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Best preamp grounding layout - diyAudio The ground loops for several sources attached to a preamplifier comes about because each source is generally connected to the amplifier both through the conductors of the audio cable, and through the safety ground to which many sources are also grounded
Using diodes for grounding (earth wire) to reduce noise If you have noise after grounding whatever you are trying to ground, you have problems elsewhere in the circuit The circuit's 0V reference and safety earth are two different things
Audio Component Grounding and Interconnection | diyAudio Chapter 1 - Ground The term “ground” is problematic because it can mean so many different things Often a designer will lump all of the meanings together and in an indiscriminating manner, connect everything that needs to be “grounded” together
Phono grounding post - diyAudio Hi, for my diy tube amp I am looking for a grounding post to attach the ground wire of my turntable to I can't find any that small, all search results end up showing me speaker terminals!
Question on Chassis Ground - diyAudio Connecting all exposed chassis metal to the IEC socket Earth ground is a must Ideally you want your signal ground to be at Earth potential as well The real problem with ground loops tends to be from other equipment connected to your amp that also uses a three wire power connection
RCA Grounding Question - diyAudio First connect the second channel to power and speaker and then search for the best way to route the input ground Now, usually you will try to ground the input directly at the amp, which can work or not Using a 100 Ohm resistor (or two, one to each amp ground) in the ground line can be helpful
Chassis ground - diyAudio I connect signal ground to chassis ground at the RCA jacks I connect the AC safety ground at the chassis, by itself, about 2 inches from the IEC connector
Check Soldering Iron grounding? - diyAudio In addition, any static electricity that builds up on the tip will be discharged to ground instead of potentially damaging electronic components I read: "Although the AC is isolated from soldering tip, it is not a good practice to leave the iron tip floating
Phono Preamplifier Ground Connections The only connection to ground is a takeoff point on the amp PCB, at the signal output location So, the umbilical connection between the 2 chassis requires seven conductors: chassis ground, plus for each of the 2 amps: positive supply, negative supply, and signal ground
Diode bridge as loop breaker question - diyAudio For a ground loop breaker, besides the diodes you should put a 5 to 20 ohm resistor in parallel, as well as a small cap as HF bypass (0 1-1 uf) Make sure the diodes are rated at sufficient current so that in a fault situation the fuse on the hot mains line blows!