High Performance Ring Speaker Magnets

/High Performance Ring Speaker Magnets
  • ring speaker magnets

High Performance Ring Speaker Magnets, Nickel Coating Neo Ring Magnets, N48High Magnetic Performance Magnets, NdFeB LoundSpeaker Magnets, Rare Earth Ring Permanent Magnet

Product Name:N48 High Performance Ring Speaker Magnets
Magnet ID:Ring-Ø40.5xØ23.6×6-N48-Ni
+ Highest Energy of All Permanent Magnets
+ Moderate Temperature Stability
+ High Coercive Strength
+ Moderate Mechanical Strength
Our Superiority: Customized is Available!
* T/T, L/C, Paypal and other payment accepted.
* Orders of any size.
* Worldwide delivery. Fast Shipping.
* Quality and price guaranteed.
* Contact us to discuss your magnet needs.

Hangseng Magnetech Inc. (SUPERMAG, neoi) is your best source for the highest quality magnets, neodymium magnets, magnetic devices and expert application assistance for OEM, point-of-purchase, industrial and retail markets.
Neodymium Magnet Feature:
Neodymium magnets are easy to be corrosive. Dailymag have super coating solution to prevent corrosion and mechanical damage, such as colorful Zinc, Single Nickel, Double Nickel, NiCuNi, Gold, Silver,Black Epoxy, Nickel+Epoxy.
1. Super strong Br Resident induction.
2. Excellent demagnetization resistance capability.
3. Reasonable Price relative to its high magnetic properties.
4. Coating is necessary for NdFeB.

  • Affordable price
  • Customized magnet is Available
  • Any payment accepted
  • Fast shipping, Worldwide delivery
  • Quality guaranteed
  • Offer free neo magnets solution

Product Range


Magnet Shape: Ring
Material: neodymium-iron-boron (NdFeB), neodymium, neo
Coating: Nickel (Ni-Cu-Ni)
Magnetic Grade:         N48
Magnetisation Direction: Axial
Residual Magnetic Flux Density (Br): 13.7-14.1 KGs (T):  1.37-1.41 T
Energy Density (BH)max:              45-49 MGOe   358-390 KJ/m³
Coercivity Force (Hcb):              ≥10.5 KOe  ≥836 KA/m
Intrinsic Coercivity Force (Hcj):    ≥11 KOe    ≥875 KA/m
Maximum Operation Temperature: 80 °C
Total diameter D: Ø 40.5 mm
Inner diameter d: Ø 23.6 mm
Total height H:         6 mm
Tolerance:         ±0.05 mm
Delivery time           3-14 days


Technical Drawing