How do you ground a turntable without a ground wire?

Re: How to ground a turntable that has no ground wire

Then attach one end of the wire to the chassis of the amplifier, NOT to a speaker terminal, but rather to a shiny screw in the bottom of amp. Then take the other end of wire and attach it to a shiny screw in the metal chassis of the turntable.

Similarly, do I need a ground wire for my turntable?

While not every turntable model requires a ground wire, you should not assume yours does not. (Regas, for example, do not require the use of a ground wire.) The ground wire is most commonly attached to a “ground” screw on your turntable. The other end then connects to a “ground” lug on your preamplifier or amplifier.

Additionally, do I need to ground my preamp? The preamp, being the heart of the system, should be grounded. The amps, for safety reasons, should be too, but for audio reasons (ground loop prevention) they should not.

Beside above, how do you ground a turntable?

How to Ground a Turntable Properly and Promptly

Step 2: Find Out the Turntable's.
Step 3: Locate the Grounding Terminal on the Amplifier or the Receiver.
Step 4: Make the Grounding Wire Connect to the Amplifier's Grounding Terminal.
Step 5: Drop the Ground Wire with the Spade Connector to the Grounding Terminal.

Do I need to ground my amplifier?

Amplifiers are a source of a lot of power, so it is crucial they are grounded to prevent any problems. The ground for the amplifier should be directed to a bare metal area of the car body, within eighteen inches of the amp's location. Your objective is to try to ground to the main chassis or the sub frame.

36 Related Question Answers Found

What happens if you don't ground a turntable?

This particular Ground is not a safety issue, it's there to avoid a Ground Loop. If you have inter-connected equipment, of any kind, with more than one electrical path to the Ground, a Ground Loop can ultimately cause extra noise. A turntable suffering from a Ground Loop will produce a hum through your speakers.

Why are ground loops bad?

Ground loops are a major cause of noise, hum, and interference in audio, video, and computer systems. Wiring practices that protect against ground loops include ensuring that all vulnerable signal circuits are referenced to one point as ground.

How do you ground a turntable to a preamp?

For this system, a separate outboard phono preamp must be connected between the turntable and the receiver. Start by plugging your turntable's audio cable into the phono preamp's input. Be sure to connect your turntable's ground wire (if it has one) to the grounding post on the phono preamp.

Can you use speaker wire to ground turntable?

The ground wire does not carry audio signal. Any insulated wire will do. It doesn't have to carry an audio signal.

Where do you connect the turntable ground wire?

Locate your turntable's grounding wire. It is typically connected to the underside of the metal turntable chassis and has an unconnected copper spade connector. Most turntable grounding wires are green, although yours may be a different color.

Why is there a ground wire on turntable?

The ground wire earths the chassis of the turntable, mainly the tone arm, to reduce this voltage. Its resistance is lower than the signal wires, but more importantly, it earths the chassis, which is then weakly coupled to the signal wires.

Do I need a preamp if my receiver has a phono input?

If your turntable has a LINE output, it has a built-in preamp. And if your amplifier/receiver has a PHONO input it also has a built-in preamp. If you are using powered speakers they might have a built-in phono preamp as well.

How do you extend the ground wire on a turntable?

You could use any electrically conductive wire, preferably one with an insulating outer sheath (even speaker wire). You'd strip both ends of the extension wire, connect one end (just bare wire) to the small spade on the ground cable, and connect the other end (just bare wire) to the grounding pin on the receiver.

How do you ground a receiver?

Cut ground wire to adequate length. Take the roll of 16 gauge wire, knot one end of it loosely at the location of the receiver, and walk it to the area where it will be attached to the water pipe. Be sure to allow for extra length needed for running the wire along walls or behind furniture.

What is GND amplifier?

GND is left audio ground. LIN is left audio positive. GND is right audio ground.

How do I stop my record player from humming?

Answer:

Turn down volume control.
There must be a connection from the metal parts of the turntable to the chassis of the preamp/amplifier; from there to ground on a water pipe, a grounded electric outlet box, or a radiator.
Disconnect the phonograph plugs from the preamp or amplifier.

How do you ground an old amp?

Just hook the ground wire to the chassis. Pick a screw on the back of the amp that goes into metal and attach your ground wire to that. That ground wire on a 3 prong plug, is there to take any shock from the chassis, which you can touch, and give it a path ground, so the shock doesn't go through you.

Does a phono preamp make a difference?

A moving coil (MC) input is needed only with a moving-coil cartridge that is low-output. A good phono preamp can make a major difference in sound quality. Then it must adjust the signal from the cartridge so it does not sound distorted.

What does a preamp do?

A preamplifier (preamp or "pre") is an electronic amplifier that converts a weak electrical signal into an output signal strong enough to be noise-tolerant and strong enough for further processing, or for sending to a power amplifier and a loudspeaker. Without this, the final signal would be noisy or distorted.

How do I know if my record player has a preamp?

Here are some things you should know about preamps:

If your turntable has a USB output, it has a built-in preamp. If you do need an external preamp, you will need a set of cables (usually RCA cables) to connect to your audio system.

Do I need a preamp?

The purpose of a preamp is to amplify low level signals to line level, i.e. the “standard” operating level of your recording gear. So you need a preamp for just about any sound source. But this doesn't have to be an external device. Most audio interfaces already come with built-in preamps.

Can you use a preamp with a receiver?

A preamp boosts the signal from a record player or other non-amplified component to a level that can be processed on an AV receiver and heard on the speakers. An old stereo receiver can be used as a preamp with standard stereo cables and two tape-deck connections.