Eq hook up

James Clark began his career in He has written about electronics, appliance repair and outdoor topics for a variety of publications and websites. He has more than four years of experience in appliance and electrical repairs. Clark holds a bachelor's degree in political science. Tip Press the "Bypass" button on the preamp EQ loop to connect the preamp directly with the amplifier. Press the button again to connect the preamp to the equalizer for adjusting the audio. Warning Unplug the electronics from the electricity while hooking up components to prevent a short circuit from accidentally crossed cable connections.

Connecting a Graphic Equalizer

Video of the Day. Brought to you by Techwalla. Items you will need 2 sets of RCA-type audio cables Surge protector. To run a signal from your stereo receiver to the equalizer and back again, you'll need 2 sets of RCA cable the same kind that is usually used to connect source components like turntables and CD players. Connect one pair of cables to the tape monitor output channels on the receiver and the other end of the cable to the left and right channel inputs on the equalizer.

Connect the other pair of RCA cables between the receiver and equalizer. Connect the other pair of cables from the output channels on the back of the equalizer to the tape monitor input channels on the back of the receiver. This opens the tape monitor channels and means that the sound will travel through your equalizer before being sent to the amplifier.

Adjust the equalizer knobs according to your preferences. If you have a tape deck connected to the tape monitor channels then you will have to remove this before connecting your equalizer. Connect the equalizer directly to your amplifier if your receiver does not have preamp-output channels or tape monitor channels but your amplifier has preamp-in and out channels. However, if your receiver does not have these channels then some amplifiers allow you to connect the equalizer directly.

Connecting to the amplifier directly will require preamp-in and preamp-out channels on your amplifier. To run a signal from your equalizer to the amplifier and back again, you'll need 2 sets of RCA cable the same kind that is usually used to connect source components like turntables and CD players.


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Connect one pair of RCA cables between the equalizer and amplifier. Connect one pair of cables to the pre-amp output channels on the amplifier and the other end of the cable to the pre-amp input channels on the equalizer.

Connecting a Graphic Equalizer | Audiokarma Home Audio Stereo Discussion Forums

Sometimes the amplifier channels will say tape monitor output rather than pre-amp output so you can also use these. Connect the other pair of RCA cables between the amplifier and receiver. Connect the other pair of cables from the output channels on the back of the equalizer to the pre-amp input channels on the amplifier.

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Some amplifiers might have tape monitor input rather than pre-amp input channels so you can also use these. Switch on the pre-amp connection on the amplifier. Some amplifiers will have a switch to turn on the pre-amp connections. If you are using tape monitor channels then you will also need to switch on the tape monitor switch. Depress the button to turn on this connection. Use this method to connect an equalizer to your car stereo in a remote location for additional space.

Some equalizers are designed for installation in your dash while others are designed for a remote location such as the trunk. The installation location will depend on your particular choice of equalizer and preferences. Many prefer to install their equalizers in their trunk near the amp so that they have the option to easily add additional amps later. Some vehicles will not have space in the dash for an equalizer and will need to remote-mount their equalizer. Equalizers can be installed anywhere between your amp and receiver. Decide where you would like to mount the equalizer.

Most people prefer to mount their remote-mount equalizer in their trunk near the amp. This way they can easily add additional amps later on by connecting a close wire. Other possible locations include under a seat in the vehicle.

STEREO HOOK UP ( Tuner EQ And Receiver Amp Wiring ) PART 1

Remember that wherever you mount your equalizer, you will have to run wires to your head unit, or receiver, and amplifier. Remove your receiver from the dash. Remove your receiver from the dash so that you can access the wires behind.

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Usually you can pull off the plastic piece covering the dash and then pull the receiver slightly out. Connect the RCA cables to your in-dash receiver. Tape them together so they will not come apart. Bring the cables to the equalizer and plug in. Route the cables through the dash to the equalizer. You should use tape or wire ties along the way to connect the two cables together. Plug the cables into the preamp inputs on your equalizer. Mount your equalizer to the vehicle. Do not mount your equalizer directly to the metal chassis. This will interfere with the sound. It is better to mount the equalizer on a platform or some kind of rubber material to prevent interference.


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If you must bolt the equalizer directly to the metal chassis, then you should use rubber pieces between the equalizer and the vehicle. Turn off your ignition. Turn off your ignition completely and remove your keys before you begin installation. This is for your safety while you connect the wires to avoid getting shocked. Connect your ground wire. On your equalizer you will see three wires. The black one is the ground wire.

Remove a bolt near the equalizer mounting location and scrape away any paint covering the location around the bolt. Crimp a ring on the end of the wire and bolt this to the vehicle. If there is no location available then you will have to drill a hole in the chassis. Be very careful not to damage the gas tank or brake line while doing this. Connect the power cable. The yellow wire could be red or another color- check your manual on your equalizer is the 12V power cable.

Connect this cable either to the power cable attached to the receiver or to a 12V variable power source in the fuse box such as the wiper fuse. If your receiver does not have a wiring diagram to show which wires are switched power cables, then you should use a digital multimeter to identify the correct cable.

Connect the multimeter to the cable when the key is in the off position and make sure the voltage reads at zero.

Then turn the key into the on position and see if there is now 12V. If the wire follows this pattern then you have found the correct switched 12V power wire. Splice the wires together and wrap the exposed metal with electrical tape completely. This prevents the exposed areas from touching other wires and potentially shorting the system.

You can also crimp the wires together but this is not as strong as splicing. This wire will need to be routed from the receiver to wherever the equalizer is mounted. Connect the remote turn-on wire. This wire will usually be a blue wire with a white stripe, and should be labeled on your equalizer. On the receiver should be a blue usually blue but can be other colors wire that goes to the amplifier. Connect this wire to the blue wire on the receiver after routing it through the vehicle from where the equalizer is located.

Splice or crimp the wires together to make a connection and then wrap the connection in electrical tape. Test the equalizer by turning on the car. Then turn on the radio to check that everything is working well and that the equalizer turns on with the radio. Put the receiver back into its bracket and place the frame covering back into place.

Be sure all the wiring is pushed inside the dash beforehand. Use this method to connect an equalizer to your car stereo in the dash if you want easy access to the controls. Some equalizers are designed to for installation in your dash while others are designed for a remote location such as the trunk.

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