Model # 4EAM

Primary Specifications

Speaker Environment

Outdoor

Technical Specifications

Units of Measure

Nominal Basket Diam

Rated Impedance

Rated Power

Program Power

Frequency Range

Sensitivity

Voice Coil Diam

Magnet Weight

Transformer

4.094 / 104.0

  4

  20.0

 

  300 to 6000

  91

  3.0 / 19.3

  3.0 / 85

inch / mm

ohms

watts

watts

Hz

dB SPL

inch/mm

oz/g

Material Descriptions

Basket

Terminal Size

Magnet

Voice Coil Wire

Steel

0.187 x 0.022

Barium Ferrite

Copper

Small Signal Parameters

Units of Measure

Resonant Frequency (fo)

D.C. Resistance (Re)

Mechanical Q (Qms)

Electrical Q (Qes)

Total Q

Compliance Equiv Vol (Vas)

BL Product (BL)

Max Linear Excursion (Xmax)

Surface Area of Cone (Sd)

Moving Mass (Mmd)

400

3.6

Hz

ohms

 

 

 

ltr

T-M

mm

cm2

g

Voice Coil Form

Cone

Cone Edge

Dust Cap

Aluminum

Molded Paper Fiber

Molded Paper Fiber

Paper

Model No.: 4EAM

KEY FEATURES

  • 4", Square Basket, 3/4" VC Diameter
  • 3 oz Ceramic Magnet, 4 Ohm Impedance
  • Voice Communications in Mass Transit
  • Features Moisture Repellant Treatment
  • NSN 5965-00917-0455
http://s3.amazonaws.com/misco/curves/4EAM.JPG?1490803368

ID    Description    Measurements    Tolerance

OD

CD

MG

HD

MD

ID

FT

NW

Outside Diam

Cutout Diam

Magnet Diam

Hole Diam

Mounting Diam

Internal Depth

Flange Thick.

Net Weight

  4.12

  3.809

  2.38

  0.2

  4.687

  1.38

  0.037

  303.0 g

+/- 0.020"

+/- 0.020"

+/- 0.050"

+/- 0.010"

+/- 0.010"

+/- 0.025"

+/- 0.050"