loading
MIL-DTL-25547 - LOUDSPEAKER, PERMANENT MAGNET LS-211/AIC-13
April 20, 2018 - NPFC

This specification covers one type of loudspeaker, designated loudspeaker, permanent magnet, LS-211/AIC-13. This loudspeaker is a horn type unit with a frequency response of 200-7,000 Hz, nominal 16 ohms voice coil impedance, and a 20 watt peak power output (see 6.1).

ASTM A1054 - Standard Specification for Sintered Ferrite Permanent Magnets
November 1, 2016 - ASTM

This specification covers technically important, commercially available, magnetically hard sintered ferrite permanent magnets Ferrite permanent magnets have residual induction Br from 0.2 T (2000 G) up to about 0.5 T (5000 G) and intrinsic coercive field strength HcJ...

MIL-DTL-24223 - LOUDSPEAKER, PERMANENT MAGNET, SHIPBOARD ANNOUNCING SYSTEMS
January 28, 2014 - NPFC

This specification covers permanent magnet loudspeakers, with enclosure, for use in 70-volt and 95-volt distribution systems on Naval ships as components of shipboard announcing systems.

JIS T 2007 - Magnetic induction therapy apparatus using permanent magnet for home use
March 20, 2018 - JSA
A description is not available for this item.
ASTM A1070 - Standard Specification for Cast and Sintered Alnico Permanent Magnets
November 1, 2016 - ASTM

This specification covers technically important, commercially available, magnetically hard, cast and sintered permanent magnets known commonly as Alnico. Alnico magnets have approximate magnetic properties of residual magnetic induction, Br, from 0.52 T (5200 G) to 1.35 T...

ASTM A1102 - Standard Specification for Sintered Samarium Cobalt (SmCo) Permanent Magnets
November 1, 2016 - ASTM

This specification covers technically important, commercially available, magnetically hard sintered (fully dense) permanent magnets commonly known as samarium cobalt. These materials are available in two general composition families abbreviated "SmCo 1:5" and "SmCo 2:17." The numbers...

MIL-DTL-12632 - LOUDSPEAKERS, PERMANENT MAGNET (ENCASED, 2-WATT, FUNGUS-, GUNBLAST-, AND IMMERSION-RESISTANT), GENERAL SPECIFICATION FOR
April 25, 2016 - NPFC

This specification covers the general requirements for 2-watt, 4-inch diameter, permanent magnet loudspeakers encased in metal cabinets. These loudspeakers are fungus-, gunblast-, and immersion-resistant.

MIL-DTL-12606 - LOUDSPEAKER, PERMANENT MAGNET (UNENCASED, 3-INCH AND 4-INCH DIAMETER CONE, 2-WATT; FUNGUS-, AND IMMERSION-RESISTANT), TYPE LS-445/U, M12606-01, AND M12606-02
October 1, 2018 - NPFC

This specification covers type LS-445/U, M12606-01 and M12606-02, unencased, permanent magnet loudspeakers with a 2-watt normal (4-watt peak) input. These loudspeakers are fungus-, and immersion-resistant, and have a voice coil impedance of 8 ± 1 ohms. The cone and spider are made of...

JIS E 6103 - Rolling stock - Permanent magnet synchronous machines
January 20, 2015 - JSA
A description is not available for this item.
IEEE 1812 - Trial-Use Guide for Testing Permanent Magnet Machines
December 10, 2014 - IEEE

This trial-use guide contains instructions for conducting tests to determine the performance characteristics and machine parameters of permanent magnet (PM) machines. The tests described may be applied to motors and generators as needed, and no attempt is made to partition this guide...

QPL-12606 - Loudspeaker, Permanent Magnet (Unencased, 3-Inch and 4-Inch Diameter Cone, 2-Watt; Fungus-, and Immersion-Resistant), Type LS-445/U, M12606-01, and M12606-02
September 18, 2018 - NPFC

QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-DTL-12606 Loudspeaker, Permanent Magnet (Unencased, 3-Inch and 4-Inch Diameter Cone, 2-Watt; Fungus-, and Immersion-Resistant), Type LS-445/U, M12606-01, and M12606-02 This list has been prepared for use...

MIL-DTL-16225 - LOUDSPEAKER, PERMANENT MAGNET, BLASTPROOF AND SUBMERSIBLE, NAVY TYPE 49546( )
January 5, 2016 - NPFC

This specification covers a blast proof, submersible loudspeaker unit capable of reproducing audio signals, when operated in conjunction with Naval communications receiving sets and associated audio frequency amplifiers.

ASTM A1101 - Standard Specification for Sintered and Fully Dense Neodymium Iron Boron (NdFeB) Permanent Magnets
November 1, 2016 - ASTM

This specification covers technically important, commercially available, magnetically hard sintered and fully dense neodymium iron boron (Nd2Fe14B, NdFeB, or "Neo") permanent magnets. These materials are available in a wide range of compositions with a commensurately large range of...

IEC 60404-5 REDLINE - Magnetic materials – Part 5: Permanent magnet (magnetically hard) materials – Methods of measurement of magnetic properties
April 1, 2015 - IEC

The purpose of this part of IEC 60404 is to define the method of measurement of the magnetic flux density, magnetic polarization and the magnetic field strength and also to determine the demagnetization curve and recoil line of permanent magnet materials, such as those specified in...

IEC 60404-5 - Magnetic materials – Part 5: Permanent magnet (magnetically hard) materials – Methods of measurement of magnetic properties
April 1, 2015 - IEC

The purpose of this part of IEC 60404 is to define the method of measurement of the magnetic flux density, magnetic polarization and the magnetic field strength and also to determine the demagnetization curve and recoil line of permanent magnet materials, such as those specified in...

DS/EN 60404-5 - Magnetic materials - Part 5: Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties
June 1, 2015 - DS

IEC 60404-5:2015 is available as IEC 60404-5:2015 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC...

Advertisement