MJ Series Jaw Crusher

MJ series jaw crusher is mainly used as a coarse crushing crusher. Its purpose is to crush rocks into smaller particle sizes for subsequent processing in the crushing section. Because it can effectively…

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MJ Series Jaw Crusher

MC Series Single-Cylinder Hydraulic Cone Crusher

MC series single cylinder hydraulic cone crusher is used in secondary and fine crushing operations. It is widely used in metallurgy, construction, highway, chemical and building materials industries. It…

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MC Series Single-Cylinder Hydraulic Cone Crusher

ML Series Vertical Shaft Impact Crusher

Vertical shaft impact crusher is often used in the final crushing circuit. Due to the ability to produce fine-grained final products, ML series vertical shaft impact crushing equipment is very popular…

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ML Series Vertical Shaft Impact Crusher

MD Series Multi-Cylinder Hydraulic Cone Crusher

MD series multi-cylinder hydraulic cone crusher is used in the second and third stages of mineral processing and stone crushing, as well as the superfine material crushing of some rocks and ores. MD series…

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MD Series Multi-Cylinder Hydraulic Cone Crusher

MF Series Fixed Shaft Circular Vibrating Screen

In order to eliminate the phenomenon of unbalanced vibration, unstable amplitude, on/off bounce, poor screening effect, and cracking of the screen box caused by diagonal vibration in the actual screening…

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MF Series Fixed Shaft Circular Vibrating Screen

MGD Series Vibrating Feeder

MGD series vibrating feeder is designed for ultra-heavy working conditions and is suitable for feeding materials to primary jaw crushers, primary impact crushers and primary hammer crushers. It is widely…

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MGD Series Vibrating Feeder

MGB series hopper discharge feeder

MGB series hopper discharge feeder is mainly used for the uniform, quantitative and automatic control of under-silo feeding of bulk materials.…

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MGB series hopper discharge feeder

MZA/K Series Circular Vibrating Screen

MZA/K series circular vibrating screen produced by Meilan has an axis-eccentric circular vibrating screen, which can be used for dry and wet classification of materials in coal preparation, mineral processing,…

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MZA/K Series Circular Vibrating Screen

Top 10 Magnet Hacks

Mar 13, 2018· The small speakers found in computers, televisions and radios also use magnets; inside the speaker, a wire coil and magnet converts electronic signals into sound vibrations. ... Mines use magnetic sorting machines to separate useful metallic ores from crushed rock. In food processing, magnets remove small metal bits from grains and other food. ...

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Shielding Materials

Jul 11, 2016· A common variant on the three-way speaker is the two-and-a-half-way speaker. This usually employs one tweeter and two or three matching woofers. The woofer closest to the tweeter is crossed over ...

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The Best Bluetooth and Wireless Speakers for 2021

Jan 24, 2021· Most audiophiles actually prefer to use a separate preamp, but whether or not it can actually make a difference often depends on the rest of your sound system. ... The speakers can be used for your vinyl playback system, desktop computer, or a small bookshelf system. ... the moving coil and moving magnet. Moving Coil Preamp. The moving coil ...

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How to Protect Magnetic Strips From Demagnetizing ...

Dec 05, 2019· This happens because magnetic forces are very strong close to the magnet but quickly get weaker farther away from the magnet. Unlike a regular speaker your speaker was probably not loud enough for ...

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Can magnets damage electric devices?

Introduction: How to Separate the Magnets From an Old Harddisk. By HarryM Follow. More by the author: Harddisks have a pair off very strong magnets in it, Unfortunately, they are placed on a metal plate for fixing them in the drive. It's very hard to remove them from the metal without breaking the magnet.

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Magnets Kill the Cell Phone Speaker Buzz

The speakers are housed in electroplated steel baskets, and boast a 40-ounce magnet. 1/2-Inch Tweeters The included 100-watt 0.5-inch tweeters have three mounting options and a frequency response from 1.3 to 22 kHz. The neodymium magnet and silk dome construction help enable clear, well-defined high-end.

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2.972 How Speakers Work

Two other makers of advanced, modern-styled American speakers, Electro-Voice and Altec, started popping up in guitar amps in the 1960s. Early examples employed big alnico magnets – although EV's most famous guitar driver, the EVM-12L, was a ceramic-magnet speaker that came to fame in many Mesa/Boogies and other big rock amps of the '80s.

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Guitar Speakers: The Essential Guide to Choosing and ...

Re: Questions regarding magnetic field, pole piece, gap etc.. This explanation is similar to Pete's Xmax/Xmech - (Maximum Linear Excursion) By definition it is the peak linear travel of a driver. Speaker output becomes non-linear when the voice coil begins to leave the magnetic …

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How loudspeakers work

The larger and more powerful the speaker the more powerful magnets it contains, and it will take increased effort to remove them. Removal is simple but does require some tools—and can be dangerous, due to heating up the magnets in the …

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How to take out magnet from speaker safely? how to remove ...

The best way to do it is by turning the screwdriver between the magnet and the basket and the speaker and with a lot of strength pry them apart. ... it will be hot,,so heavy gloves..a puddy knife rather than a screw driver once the outer casing is off will work to separate the magnets.

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Field Coil Loudspeakers

Apr 16, 2014· This 4 minute tutorial will show how you can safely and easily remove any magnet from a speaker housing using only basic tools.

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Magnet Grades

Nov 07, 2008· Small demonstration how to remove properly magnets from loudspeakers. For more info about Anand Aadhar doing this demo, see his website

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ROKFORM G

Oct 10, 2018· How to take out magnet from speaker safely? You shouls know how to remove magnat from any device as like speaker. You should open all attached materils from ...

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How to remove a Magnet from speaker housing

Oct 24, 2017· Meinke says the system can separate and reconstruct the speech of two people speaking into a single microphone with up to 90 per cent accuracy. If there are three speakers the accuracy dips, but ...

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Yogurt Cup Speakers

In the first, a magnet in free space is shown, with the field lines flowing through air. In the second, a wall of steel provides an "easier" path for the lines of flux to follow. These lines flow out from the magnet's pole, into the steel for some distance, and back out into the air to get back to the magnet's other pole.

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Woofers, Tweeters, and Crossovers: Understanding Loudspeakers

With your other hand, bring a magnet closer and closer to the coil of wire until you can hear the sound produced by your homemade speaker. If you have two magnets, you can put one inside the bottom of the cup and the other next to the coil, on the outside of the cup (so the two magnets hold each other on) to keep the sound going.

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Beginner's Guide To Turntables

Historically a radio with a field coil speaker did not have a separate power supply for the speaker magnet. The field coil was used as a choke in the power supply for the entire radio. The field coil would be designed to use the total current of the radio. This is why you will find many different resistances on field coils.

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History and Types of Speakers

Mar 29, 2019· Open the back of the speaker cabinet and identify the magnet. This should be a donut-shaped object directly on the back of the speaker cone. 2. Measure the size and shape of the magnet. You will need to have this information when selecting the right shield. 3. Purchase the shield material. This can be any magnetic metal large enough to cover ...

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SPKR MiK: How to Make a Microphone From a Speaker. : 9 ...

Students are introduced to the role of electricity and magnetism as they build speakers. They also explore the properties of magnets, create electromagnets, and determine the directions of magnetic fields. They conduct a scientific experiment and show cause-effect relationships by monitoring changes in the speaker's movement as the amount or the direction of the current …

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How and Why to Bi

Since the magnet on the speaker's frame is fixed in place and the voice coil can move freely, the alternating current from the amplifier moves the speaker cone to create sound. Specialized Speakers

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Magnepan

magnet – provides a stationary magnetic field to oppose the alternating electromagnetic field of the voice coil and thereby cause the attached cone to move inward and outward. Most drivers use a ring shaped magnet that is made of a ferrous ceramic material. ... it is usually considered a separate component and not a part of the speaker ...

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Uses of Magnets in Our Daily Life | Sciencing

Magnet Structure -- Two pieces of oppositely oriented magnets that produce a radial field from the inner to outer magnet Voice Coil -- Carries the current so that it is always moving in a plane perpindicular to the magnetic field; thus the force always acts on the same axis Spider -- Vibrates rigidly with the voice coil and translates the mechanical energy to the cone

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How to Shield Speakers: 6 Steps (with Pictures)

Beginner's Guide To Turntables - Home Listening Edition Putting together a turntable setup is a simple process; however, there are several things you should know before purchasing your setup. This Guide To Turntable Setups will explain: the key components, the different setup configurations, and the most commonly asked

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Easiest way to remove magnet from the speaker

The rokform speaker with its built-in magnetic mounting lets me stick the speaker out of harms way and fills the room with music. For the size of this speaker it puts out a lot of sound. I can't imagine having to go over 50% volume even in a loud setting but it's there if you want it.

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