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Rega turntables do not have the typical ground system found on many other turntables. Rega actually has a good reason for doing this as they put the ground on the left channel audio cable. They believe doing it this way sounds better and it is hard to argue with their decades of experience. However, sometimes we will run into a certain combination of equipment where we need to ground a Rega turntable beyond the audio cable ground. If you just added a new Rega turntable and are experiencing audio hum, you may have one of those combinations. There are two ways to add a ground, based on the gear you have.
Method One: Used when you have a Rega phono preamp in the system
1. You simply need to get a small piece of stranded wire to use as a ground wire. The wire can be of very small gauge, nothing thick is necessary. You will need to strip the insulation back off the ends of the wire about ½”
2. Connect one end of the small wire to the ground screw on the back of your Rega phono preamp.
3. Connect the other end of the grounding wire to either a ground screw on your amp or if there is no ground screw, simply loosen any of the small screws on the back of your amp that hold on the top cover. Slip the wire under the screw, tighten it back up, and you are done.
Method Two: Used when you do not have a Rega phono preamp in the system
1. This one is a little tricker, but still pretty simple. Get a piece of small stranded wire to use as the ground wire. Strip back the insulation about ½” on each end
2. Locate the left channel phono cable coming out of your Rega turntable. It will usually have either a white or black connecting plug, or be labeled with an “L” or left. It is never the red one as red is the universal color for the right channel in the world of turntables.
3. The connector has a center round pin and an outer shield. When you plug the cable into your phono preamp or amp you can see the center pin goes into a hole and the outer shield connector wraps around the outside of that plug.
4. What you now need to do is get a couple of strands of the small wire to go in between the left cable turntable connection and the input plug. It will be a slightly tight fit, but this should work ok
5. Connect the other end of the grounding wire to either a ground screw on your amp or if there is no ground screw, simply loosen any of the small screws on the back of your amp that hold on the top cover. Slip the wire under the screw, tighten it back up, and you are done.
This should eliminate the hum you were experiencing. If it does not, it is likely a piece of equipment is physically too close to your turntable that has a large hum field. That issue is a whole different matter that you will need to experiment with the physical locations of your gear to resolve.
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