Sitemap

Know About Life

How to Eliminate the Amplifier Hum From Speakers

2013-05-07   Views:0

Advertisement

Amplifier noise is often caused by electronic components connected to the same grounded outlet, with the result being an annoying buzz or persistent, low-frequency hum from the attached speakers. In some cases, the buzz comes from the cable televisio

Amplifier noise is often caused by electronic components connected to the same grounded outlet, with the result being an annoying buzz or persistent, low-frequency hum from the attached speakers. In some cases, the buzz comes from the cable television connector, which creates interference with the audio components in a stereo or home theatre system. Several cures are available to fix the problem, and are listed here in increasing order of expense.

Skill level:Moderately Easy

Things you need

AmplifierSpeakersHome theatre audio/video componentsSurge protectorIsolation transformer available at electronics stores

Instructions

1 Move the speakers away from the amplifier. Loudspeakers positioned too close to a powerful amp can begin buzzing due to noise voltage from adjacent electrical wiring.

2 Adjust the amplifier setting control to each component connected in the system to determine if the humming sound is isolated to a specific component, such as a DVD player or turntable. If located, this could be caused by a bad power cable or a failing component that should be disconnected and checked by an electronics technician.

3 Unplug all components in the system from the wall outlets.

4 Connect the power cables to a single, grounded surge protector power strip and plug the strip into an outlet. If the hum persists and the amp is connected to a cable TV receiver, proceed to Step 5.

5 Unplug the cable TV receiver box from the wall outlet and plug it into an isolation transformer, which controls the flow of electricity so that it cannot pass from one circuit to another. This transfer of electricity through electronic components causes a humming sound in loudspeakers connected to the amplifier. Once the cable receiver is plugged into an isolation transformer, the transformer can then be connected to a wall outlet, which should resolve the problem.

Tips and warnings

Disconnect the amp from the power when attaching or removing any AV or power cables from other components that are connected to the amp.

Do not attempt to defeat three-prong ground plugs by connecting them to two-prong adaptors that can be plugged into a wall outlet. The ground plugs on electronic equipment can protect components from serious damage.

How to Eliminate the Amplifier Hum From Speakers

Category:Computers & electronicsRelease time:2013-05-07Views:130

Amplifier noise is often caused by electronic components connected to the same grounded outlet, with the result being an annoying buzz or persistent, low-frequency hum from the attached speakers. In some cases, the buzz comes from the cable televisio[More]

How to Eliminate the Blacklist Key From Kaspersky

Category:Computers & electronicsRelease time:2014-05-20Views:130

Kaspersky is a comprehensive Internet security software program that helps keep your computer system protected from adware, malware, spyware, viruses and other malicious software. When you update Kaspersky software, you may have trouble updating the[More]

How to Upgrade the Amplifier Tubes on a Fender Blues Junior

How to Upgrade the Amplifier Tubes on a Fender Blues Junior

Category:HobbiesRelease time:2013-05-27Views:130

The Fender Blues Junior is a 15 watt tube amp. According to Fender, it is the world's best-selling tube amp. There are various limited edition versions of the Fender Blues Junior that are distinguished mainly by cosmetic features such as the colour o[More]

How to reduce the wind noise from a voice recording in audacity

How to reduce the wind noise from a voice recording in audacity

Category:Computers & electronicsRelease time:2012-01-04Views:130

Wind noise is always a potential hazard when you're recording outdoors, particularly if your microphone isn't equipped with a wind shield. Fortunately, the noise filter in Audacity, the free open-source audio application, can help you reduce or elimi[More]

How to Eliminate the Hum From a Computer Audio Output

How to Eliminate the Hum From a Computer Audio Output

Category:Computers & electronicsRelease time:2013-12-31Views:130

When using a computer system you may run into a problem where your connected speakers produce an annoying hum along with the audio output from the computer. This is often due to a hardware connection problem in which the audio cable is not properly h[More]

How to Eliminate the Smell of Spilled Sour Milk

How to Eliminate the Smell of Spilled Sour Milk

Category:HomeRelease time:2013-02-27Views:130

When you spill milk, a careful, thorough cleanup is crucial to prevent odours. Any residual milk left in carpet or fabric will develop unpleasant odours because the milk will spoil rapidly at room temperature. Using basic household ingredients, you c[More]

How to Get the Most Bass From a 6 X 9 Speaker

Category:Computers & electronicsRelease time:2014-09-01Views:130

6 X 9 car audio speakers are versatile in that they can be used to deliver mid-range sound and bass to your car stereo system. Subwoofers offer the best solution for adding bass to your sound system but they are also require more space, additional in[More]

How to Remove the Hard Drive From a Compaq Presario V2000 Laptop

How to Remove the Hard Drive From a Compaq Presario V2000 Laptop

Category:Computers & electronicsRelease time:2012-03-02Views:130

Whether you use your Compaq V2000 laptop for home or business, it is a good idea to know how to upgrade and maintain the unit. Professional computer service is very costly, and in some cases servicing a laptop could be more expensive than buying a ne[More]

How to Remove the Spare Tire From a 2006 Dodge Grand Caravan

How to Remove the Spare Tire From a 2006 Dodge Grand Caravan

Category:HobbiesRelease time:2012-03-26Views:130

The 2006 Dodge Grand Caravan is a passenger vehicle for families, offering seating for 7 with storage room. With every available cubic inch in the vehicle's interior used for seating and storage, the spare tire is located under the van, secured by a[More]

How to Remove the Door Panel From a 2007 Chrysler 300

Category:HobbiesRelease time:2012-04-23Views:130

One of the most common reasons for removing the door panels in a vehicle is to replace the speakers; however, you may also want to remove it to repair or replace the window or replace internal door power equipment (door lock actuators, power window m[More]

How to Remove the Lid Panel From a Thinkpad T43

How to Remove the Lid Panel From a Thinkpad T43

Category:HobbiesRelease time:2012-06-19Views:130

Your laptop's lid panel, or display panel, is the casing that houses your laptop's LCD screen and electrical components. Removing the lid panel from your ThinkPad T43 computer is a part of your laptop's disassembly procedure. While removing the displ[More]

How to Remove the Toner Cartridge From an HP DeskJet F2480

How to Remove the Toner Cartridge From an HP DeskJet F2480

Category:Computers & electronicsRelease time:2012-08-14Views:130

No matter what you use your HP Deskjet F2480 for, knowing how to change the print cartridges is important. When you see the quality of the print begin to fade, you know it is time to change the cartridges. Keeping a few extra F2480 cartridges on hand[More]

How to Remove the Front Cover From a Maytag Neptune Dryer

Category:HomeRelease time:2012-09-19Views:130

Owners of Maytag Neptune dryers may need to know how to remove the front cover in order to access parts for repair and testing. Unlike most dryer models, the Neptune door switch does not need to be removed from the front cover. The front cover is sec[More]

How to remove the perspiration smell from clothing

How to remove the perspiration smell from clothing

Category:HobbiesRelease time:2012-11-16Views:130

If you have an article of clothing that smells like sweat, you likely want the clothing to smell better. Perspiration odours on clothing are both embarrassing and bothersome. Sweating is something natural that happens to the body that is beyond our c[More]

How to Remove the Tinny Sound From Camtasia

How to Remove the Tinny Sound From Camtasia

Category:Computers & electronicsRelease time:2012-12-22Views:130

Camtasia Studio screencasting software includes an audio enhancement feature, providing the means for reducing noise in audio recordings, such as background noise and the tinny, clipping and clicking sounds that sometimes appear. Voice optimisation e[More]

How to Remove the Door Panels and Speakers in a 2005 Chevy Pickup Truck

How to Remove the Door Panels and Speakers in a 2005 Chevy Pickup Truck

Category:HobbiesRelease time:2012-12-26Views:130

The 2005 Chevy Silverado comes from the factory with a respectable sound system already installed. If you want to add some kick to your Silverado's sound system, or have run into problems with your trucks stock speakers, you may need to remove the do[More]

How to calculate the percentage change from the previous year in Excel

How to calculate the percentage change from the previous year in Excel

Category:Computers & electronicsRelease time:2013-03-17Views:130

Many types of data show alteration in performance from one year to the next. For example, you might want to see how sales of your business performed this year, compared to last year, or you may want to see the results of your scores in a sport, like[More]

How to Remove the Filter Material From the Cigarette

How to Remove the Filter Material From the Cigarette

Category:HealthRelease time:2013-05-08Views:130

There are three parts to a standard cigarette. There is the filter, the tobacco and the rolling paper. Filterless cigarettes are called this because they do not have a filter; instead, there is a bit of paper overhang at the end of the cigarette to e[More]

How to Remove the Smoke Smell From Plaster

How to Remove the Smoke Smell From Plaster

Category:HomeRelease time:2013-07-05Views:130

Removing the smell of smoke from inside a home or building can seem difficult. One reason why the smoke smell sicks around so long it that the soot and ash particles actually cling to the surface of items in the building. To eliminate the smell of sm[More]

How to Remove the Hard Disk From an ASUS Laptop

How to Remove the Hard Disk From an ASUS Laptop

Category:Computers & electronicsRelease time:2013-08-15Views:130

While there are many ASUS laptop models that may differ in hardware design, the vast majority of ASUS laptops share a common hard drive location: behind a plastic panel on the bottom of the laptop. Turn your ASUS laptop over and look for a panel outl[More]

Hot
Round out your Christmas decorating with lighted balls you can make yourself. Spheres of colourful balls covered with mini lights add warmth and holiday cheer to anything from balconies or windows to doorways and mantles. You can also string lighted [More]
Vuze is a computer application that downloads and transcodes your files for playback on media devices. Transcoding on Vuze allow you to convert your files so that you can play them on many devices such as the iPhone, Androids, Blackberry, Xbox, PS3, [More]
The BlackBerry Curve 8530 is designed to work on CDMA networks. Once your wireless provider has linked a Curve to your account, you'll need to connect it to your company's network to activate it. This process is often referred to as provisioning, and [More]
Internal combustion engines like those used in the Ford Focus and other cars are designed to work at high temperatures. If a car's engine begins to overheat it can cause the engine to seize, requiring a significant repair or replacement of the engine [More]
For painting a thick fog on a canvas, oil paints are the optimal choice. By taking advantage of the slow drying time of oil paints, you can create a blended, murky image with softened edges and illusive forms, disappearing into the distance. Painting [More]
Motorcycles use batteries that are smaller versions of the batteries used by automobiles. This type of battery is charged through the use of an electricity-producing device. Motorcycles use either an alternator or a generator. Newer motorcycles tend [More]
Baby showers range from formal, sit-down lunches to informal, backyard affairs. Platters of appetizers are usually served at all types of baby showers. Choose foods that are easy to handle with little mess, and foods that will appeal to a wide range [More]
The right haircut for your face shape can transform your look, while a rich, dimensional hair colour brightens your skin tone and infuses you with youthful luminosity. Such extreme promise may not be out of reach after all. Know what you want to draw [More]
The Lexmark X3650 includes customisable user settings for region, time zone and current date. The ink-monitoring data is stored along with the user settings. If you experience problems with ink-level reporting or printer errors, reset the printer to [More]
Financial ratios are among the most important measures by which the success of a business is determined. Financial ratios are relative magnitudes of two financial values, typically taken form the company's balance sheet or the income statement, also [More]