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Ferrite Ring Magnet OD45 x H9 x ID22 mm Y30BH | Loudspeaker Magnet

SKU 13050
Pull Force: 1.2kg
Original price $7.95 - Original price $7.95
Original price
$7.95
$7.95 - $7.95
Current price $7.95
$7.95 AUD for 1 to 9 items
$5.95 AUD buy 10 to 99 items and save 25%
$4.95 AUD buy 100+ items and save 38%
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Product code: 13050
Pull Force* 1.2kg
Weight 52g
Grade Y30BH
Coating Uncoated
Direction of Magnetisation Through Height
Dimensions Outside Diameter:45mm, Inside Diameter:22mm, Thickness:9mm
*Measured against up to 10mm mild steel.

This ferrite ring magnet is uncoated and weighs 52g, with a pull force of 1.2kg. GradeY30BH. It has an outside diameter of 45mm, an inside diameter of 22mm and is 9mm thick. Its direction of magnetization is through height.   

Ferrite ring magnets may often go unnoticed, but their role in the world of loudspeakers is indispensable. These magnets provide the foundational strength and stability that enable loudspeakers to transform electrical signals into the vibrant, detailed sound that enriches our lives. As technology advances, ferrite ring magnets are at the forefront of audio innovation as we demand higher quality audio experiences. 

Ferrite ring magnets play a pivotal role in delivering the rich, immersive sound that we expect from our high-tech audio devices. Ferrite ring magnets stand out as indispensable elements, crucial for transforming electrical signals into the dynamic audio experiences we enjoy. These unassuming rings are the backbone of high-performance loudspeakers, providing the strength and stability needed to produce clear, powerful sound. 

At the heart of every loudspeaker is a complex interplay of electrical and mechanical components working in harmony to create sound. When an electrical signal travels through the loudspeaker’s voice coil, it generates a magnetic field. This magnetic field interacts with the permanent magnet, causing the voice coil to move back and forth rapidly. This motion drives the speaker cone, which pushes air and produces sound waves. 

Ferrite ring magnets are the permanent magnets in this setup. Their primary function is to create a stable and strong magnetic field that the voice coil can interact with. The stability and strength of the magnetic field directly influence the efficiency and clarity of sound reproduction. 

Ferrite magnets, also known as ceramic magnets, are made from a mixture of iron oxide and barium or strontium carbonate. This combination gives ferrite magnets several advantages over other types of magnets, such as neodymium or alnico, particularly in the context of loudspeakers. Some of the advantages of ferrite ring magnets are cost-effectiveness, thermal stability and durability.  

The strength of the magnetic field generated by ferrite ring magnets is crucial for high-performance loudspeakers. A strong magnetic field allows for greater control over the voice coil's movement, leading to more precise sound reproduction. This precision translates into clearer highs, richer mid ranges and more powerful bass, enhancing the overall listening experience. 

The stability of ferrite magnets ensures that the sound quality remains consistent over time. This reliability is particularly important for professional audio equipment and high-fidelity home audio systems, where any degradation in sound quality can be immediately noticeable. 

While ferrite magnets have been a staple in loudspeaker design for decades, ongoing research and development continue to refine their performance. Advances in materials science and manufacturing techniques are leading to the creation of ferrite magnets with even greater magnetic strength and stability. These innovations promise to push the boundaries of what high-performance loudspeakers can achieve, delivering even more immersive and accurate soundscapes.

Typical Physical Properties

NB: Ranges are indicative for product category, please check individual products for specific values within that range.

Magnetic Properties
Production Flow Diagram
Demagnetisation Curves
Returns Policy

If you are not entirely satisfied with your purchase, we're here to help.

We have a 30 Day Returns policy at Frenergy Magnets. You may return your item within 30 days of receiving it to receive a refund.

The product/s must be unused and in the same condition you received them in. Please contact us at info@frenergy.com.au to initiate the returns process.

The buyer is responsible for the cost of returning the order.

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Same Day Dispatch
Mon-Fri before 1pm (AEST)
4.9
Customer reviews
30 Day Returns
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Same Day Dispatch
Mon-Fri before 1pm (AEST)
4.9
Customer reviews
30 Day Returns
Shop with confidence

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The Pull Force listed for each magnet is based on lifting 10mm thick steel from a horizontal surface. Magnets on a vertical surface (of 10mm thick steel) are generally able to hold around only 30% of the pull force listed in the product description. This is due to the effects of gravity and the lack of friction between the surface and the shiny magnet. Read More