Fostex FW137 dimensions Features, Kenaf-Cellgaiahybrid cone, Frequency Response / Impedance

Models: FW137

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Features

Features

Kenaf-Cellgaia hybrid cone

Reasonable Qts value for easy bass-reflex enclosure design

Newly designed aluminum die- cast frame

Ferrite magnet & repulsion type magnet shielded circuit

Specifications

&

Thiele/Small Parameters

Low Flux Leakage Woofer

FW137

Size

:

130

mm /

5 in

Voice Coil Diameter

 

 

 

 

:

30.4 mm /

1.2 in

 

 

 

 

Cast / Stamped

:

Cast

 

 

 

 

 

 

Impedance

:

8

 

Reproduction Frequency Response :fs - 8 kHz

Sound Pressure Level

 

:

87

dB/W(m)

 

Rated Input

:

25

W

 

 

Music Power

:

75

W

 

 

 

 

 

 

 

Magnet Material

:

Ferrite

 

 

Magnet Weight

 

 

 

 

 

(main)

:

226

g /

0.498

lb

(cancel)

:

152

g /

0.335

lb

 

 

 

 

 

 

Net Weight

 

1,495

g /

3.296

lb

 

 

 

 

 

 

Frequency Response / Impedance

110

 

 

 

 

 

100

 

 

 

 

 

90

 

 

 

 

 

80

 

 

 

 

 

70

 

 

 

 

 

60

 

 

 

 

600

 

Impedance

 

 

 

 

 

 

50

 

 

 

 

 

(dB)

 

 

 

 

 

20Hz

50 100 200

500

1k

2k

5k 10k

64

32

300 16

8

4

20k

a :

55 mm

Sd :

0.0095 m2

Dimensions & Mounting Information

Zn :

8

Fs :

55

Hz

Re :

7.4

Le :

0.067 mH

 

 

 

Qms :

3.58

 

Qes :

0.57

 

Qts :

0.5

 

Mms :

11.7 g

 

 

 

BL :

7.06

Telsa/m

Vas :

10.202

L

Xmax :

1 mm

Eff/η0 :

0.24

%

5-ø4.2 hole

(77) (8)

ø155

ø91.5

ø121

ø150

•Kenaf-Cellgaia hybrid cone(86.8) 9.8•Newly designed aluminum die- cast frame

Cms :

0.0008 mm/N

EBP :

96.491

 

 

Overall Diameter

:

155

mm /

6.1

in

Baffle Hole Diameter

 

 

 

 

 

:

122

mm /

4.8

in

Depth

:

86.8

mm /

3.4

in

 

 

 

 

 

 

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Fostex FW137 dimensions Features, Kenaf-Cellgaiahybrid cone, Newly designed aluminum die- cast frame, Impedance