ALNICO 3 Bar Magnet (63.5 x 3.17 x 12.7mm)

Description

This Alnico 3 bar magnet is designed for use in humbucker pickups and other magnetic assemblies requiring a lower magnetic pull with smooth, vintage-style response.

Alnico 3 has the lowest magnetic strength of the commonly used Alnico grades, producing a tone that is open, clear, and dynamically responsive. It is often chosen for early PAF-style humbuckers and vintage-inspired designs where reduced string pull, softer attack, and enhanced touch sensitivity are desired.

This magnet is supplied unmagnetized, allowing builders to control magnetization orientation and final strength during assembly for consistent results across builds, rewinds, and production runs.

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Specifications

• Type: Alnico 3

• Magnetization: Unmagnetized

• Dimensions:

  • Length: 63.5 mm (2.5″)

  • Width: 12.7 mm (0.5″)

  • Thickness: 3.17 mm (0.125″)

• Application: Humbucker pickups

• Use Case: New builds, rewinds, repairs, OEM production

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Tonal Characteristics (When Magnetized)

• Lower output compared to Alnico 5

• Reduced string pull

• Open, airy high end

• Smooth midrange with excellent dynamics

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Builder Notes

This Alnico 3 bar magnet is compatible with standard humbucker baseplates, pole screws, and slugs. Because of its lower magnetic strength, it is often used where clarity, touch sensitivity, and vintage accuracy are priorities.

Magnetization orientation and strength should be set during final assembly based on the desired tonal outcome.

Available in bulk quantities for pickup builders, schools, and repair shops.

Frequently Asked Questions

Is this magnet supplied magnetized?
No. It is supplied unmagnetized, allowing builders to magnetize it during pickup assembly.

How does Alnico 3 differ from Alnico 5?
Alnico 3 has lower magnetic strength, reduced string pull, and a softer, more vintage tonal response compared to Alnico 5.

Is this a standard humbucker bar magnet size?
Yes. The dimensions match standard humbucker bar magnet specifications.

Why choose Alnico 3 for humbuckers?
Builders often choose Alnico 3 for its clarity, dynamics, and vintage-correct response, especially in early PAF-style designs.

Is bulk pricing available?
Yes. Builder and school bulk pricing is available.