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Big ring magnets for loudspeaker size is 4''x2''x1/2'' with zinc coating strong magnet

0.1 USD
Min. Order: 1000 Piece/Pieces
Payment Terms: L/C, PAYPAL, T/T
Supply Ability: 1000ton/Year
Place of Origin: Zhejiang

Company Profile

Location: Ningbo, Zhejiang, China (Mainland)
Business Type: Manufacturer
Main Products: Arc Motor NdFeB Magnet, Rare Earth Permanent Arc Magnet, Good Quality NdFeB Magnets, Rare Earth Permanent Magnets, N50 Permanent Ring Magnet BrmT(KG) 1400-1450(14.0-14.5)

Product Detail

Model No.: N38
Means of Transport: international express, Ocean, Air, Land
Application: Speaker Magnet
Shape: Block
Type: Permanent
Composite: Rare Earth Magnet
Brand Name: Xingde
Shape: Big ring
Coating: Znic
Size: 76mm
Usage: Loudspeaker
BrmT(KG): 1220-1250(12.2-12.5)
Hcb KA/m(KOe): >=859(>=10.8)
Hcj KA/m(KOe): >=955(>=12)
(BH) max KJ/m³(MGOe): 287-310(36-39)
Working temperature: 80℃
Production Capacity: 1000ton/Year
Packing: magnetic power shield packing
Delivery Date: about 15 days after contract
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Product Description

Product Description

Big ring magnets for loudspeaker


Big ring magnets for loudspeaker
Product Name: ring magnet
Place of Origin: Zhejiang, China (Mainland)
Application: speakers
Ring magnet
1. Materials: Rare earth magnet
2. Certification: ISO9001: 2008
3. Magnetic properties: High coercive force, (BH)max from 26 to 53MGOe, max working Temperature up to 200° C.
4. Grades: N35, N38, N40, N42, N45, N48, N50, N52, 30M, 33M, 35M, 38M, 40M, 42M, 45M, 48M, 50M, 30H, 33H, 35H, 38H, 40H, 42H, 45H, 48H, 30SH, 33SH, 35SH. 38SH, 40SH, 42SH, 45SH, 28UH, 30UH, 33UH, 35UH, 38UH, 40UH, 28EH, 30EH, 33EH, 35EH
5. Shapes: Ring or produce many shapes according to your request, Block, Sphere, Disc, Segment, Cylinder, Sheet and so on.
6. Sizes: R x r x H x Degree as per your request
7. Coatings: Metallic Zinc, Nickel, Nickel+Nickel, Copper+Nickel, Nickel+copper+Nickel, Gold, Organic Epoxy, Nickel+Epoxy coating and so on;
8. Applications: Widely used in speakers, etc.
9. Parameters: Grade(property), Size(R x r x H x Degree) or Drawing, Coating, Quantity, etc.
10. Note: Our NdFeB ring magnet can produce as per your design, glad to give some suggestions if you need.
We provide a huge selection of ring NdFeB Magnet commonly used in many speakers with high coercivity, low temperature.



Performance of Big ring magnets for loudspeaker

Material Code

Br

Hcj

BH(max)

Max Working temperature

KGs

T

Koe

KA/m

MGOe

KJ/m3

(Tw)

N52

1430-1480

14.3-14.8

>=11

>=876

50-53

398-422

80℃

N50

1400-1450

14.0-14.5

>=11

>=876

48-51

398-423

80℃

N48

1380-1420

13.8-14.2

>=12

>=955

46-49

366-390

80℃

N45

1320-1380

13.2-13.8

>=12

>=955

43-46

342-366

80℃

N42

1280-1320

12.8-13.2

>=12

>=955

40-43

318-342

80℃

N40

1250-1280

12.5-12.8

>=12

>=955

38-41

302-326

80℃

N38

1220-1250

12.2-12.5

>=12

>=955

36-39

287-310

80℃

N35

1170-1220

11.7-12.2

>=12

>=955

33-36

263-287

80℃





Pictures of Big ring magnets for loudspeaker.
Big ring magnets for loudspeaker

Big ring magnets for loudspeaker

Big ring magnets for loudspeaker



Ningbo Xingde Magnet Co.,Ltd engages in the development and innovation of high permanent NdFeB magnetic material with highly focuses on the quality of products. Special shaped products can be tested and the accuracy of the sizes will be ensured through the test in different temperature and the analysis of related data. Various reliable testing and analysis of the coating also are available by salt spray testing equipments, Constant temperature and humidity tester, and coating thickness detector.

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