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Is a ground wire necessary for a turntable?
For the best turntable performance, two ground wires are often recommended in a turntable, external preamp setup. One ground wire would connect from the turntable to the preamp, the other from the preamp to the speakers or amplifier. – touch the other to the ground terminal of the amplifier or speakers.
How do you use a turntable ground wire?
How to Ground a Turntable
- Turn the power off to the amplifier and turntable.
- Locate your turntable’s grounding wire.
- Find the grounding terminal on your amplifier or receiver.
- Make sure that the grounding wire can reach the amplifier’s grounding terminal.
- Slip the ground wire spade connector onto the grounding terminal.
What is the point of a ground wire?
It’s purpose is to carry electrical current only under short circuit or other conditions that would be potentially dangerous. Grounding wires serve as an alternate path for the current to flow back to the source, rather than go through anyone touching a dangerous appliance or electrical box.
Where is the ground wire on a turntable?
It’s my understanding that in a turntable, commonly, the ground wire is a connection between the tonearm tube and other such parts (like the bearing) to chassis ground — things that aren’t mechanically or electrcially connected to signal ground or any chassis typically because they’re mounted to plastic or acrylic or wood subchasses.
Why is my turntable not grounded to the amplifier?
An unexpected phenomenon called ground loop happens when all chassis connections in many pieces of equipment are different from other the voltage or the possible ground. The turntable should be grounded properly to the amplifier is a common example of these problems.
What kind of voltage does a turntable have?
At the amplifier input, it will see a voltage which is both the pickup voltage, and some of the environmental buzz. The ground wire earths the chassis of the turntable, mainly the tone arm, to reduce this voltage.
What do you use to ground an amplifier?
Take the grounding wire’s copper spade connector, and place it on the grounding terminal. Then tighten the connection, but don’t over-tighten it or you might strip the terminal. If your amplifier doesn’t have a grounding terminal, use gaffer tape to stick the grounding wire’s copper spade connector to the amplifier’s metal box.