Fostex FE206En User manual

Features

Frequency Response / Impedance

Dimensions & Mounting Information

Specications

Thiele/Small Parameters

a :

Sd :

Zn :

Fs :

Re :

Le :

Qms :

Qes :

Qts :

Mms :

BL :

Vas :

Xmax :

Eff/η0 :

Cms :

EBP :

Size :

Voice Coil Diameter

Cast / Stamped :

Impedance :

Reproduction Frequency Response

:fs -

Sound Pressure Level

Rated Input :

Music Power :

Magnet Material :

Magnet Weight

(main) :

(cancel) :

Net Weight

Ω

Telsa/m

m/N

Overall Diameter :

Bafe Hole Diameter

Depth :

mm / in

Ω

kHz

dB/W(m)

g / lb

FE206En

FULL RANGE SPEAKER UNIT

208 8.2

185 7.3

87.9 3.5

200 7.9

35 1.4

Stamped

Ferrite

1,067 2.352

n/a n/a

3,200 7.055

• ES cone and center cap are adapted.

This new diaphragm material has the

fine, supple and high density fiber, and

its characteristics successfully improve

the mid-high frequency reproduction.

• ø146mm strong ferrite magnet is em-

ployed.

• Well tuned Qts / Mms values for ease of

use in the back loaded horn enclosure.

162

0.0206

6.8

0.0525

4.57

0.194

0.19

12.2

10.65

70.99

0.8

2.68

1.172

231.96

φ220

4-φ5

208

φ182

87.9

48 3.5

φ145

Recommended Back Loaded Horn Type Enclosure

• This example shows a ‘back

loaded horn’ type enclosure for

FE206En.

• FE206En’s magnetic circuit with

ø146mm large ferrite magnet

provides sharper resonance and

makes the unit suitable for a back

loaded horn type enclosure.

• 21mm thick plywood is used for

main section and side panels to

ensure a strong enclosure.

• Two way system using super

tweeter T90A is also recom-

mended.

FE206E

T90A

Capacitor0.68- 0.33 F

20 50 100 200 500 1000 2k 5k 10k 20k

100

110

(dB)

522

440

220

290

275

120

47 40

100 100 100 100 100 100 100

100

450

100

125 150

50

100 100 100

255

160

74 52 87 (111)

250

313

408

219

30 31 32

145

900

21 21

350

392

300

( 22 )

200

35 36

Bass Reex Type Enclosure

• FE206En is designed for use in a back load-

ed horn type enclosure and it is generally

unsuitable for bass reex because of its over

damping sound characteristics. However, it

is possible to use the FE206En in a bass re-

ex enclosure as shown.

• This example is a narrow and tall style bass

reex type enclosure. Internal volume of 45

liters tuned to approximately 50Hz (Fb).

• Low frequency response from around 120Hz

is gently damped with a controlled peak at

50 - 60Hz.

Sound

Absorbents

Sound

Absorbents

Sands

• This example has sufficient internal volume. However, if you prefer ‘tighter’

sound reproduction, you can reduce airspace using sands or other ll material.

• Placing thin sound absorbent material as shown enable reduction of peaks & dips

around 150 to 400Hz band width. However, it may reduce transient response. You

should adjust it to your taste.

• In order to avoid unwanted mid/high frequency dispersion of the horn, we recom-

mend damping the enclosure with ller and sound absorption material.

180

300

264

400

786

240

276

ø185

ø80

600

200

750

unit : mm

180

300

264

400

786

240

276

ø185

ø80

600

200

750

unit : mm

392 392

858

900350 350

80 80

450

450 350 80

408

290

15161718

20 21 2223

24 25

*Italic font means part number.

3005222001504-1004-50

440

290

275

255250

219

150

780780

350

350 100

160

219

313

100 220

145

24 23

17 16 15

14 13

7 5 8

20 22 29 4

392 392

858

900350 350

80 80

450

450 350 80

408

290

15161718

20 21 2223

24 25

*Italic font means part number.

3005222001504-1004-50

440

290

275

255250

219

150

780780

350

350 100

160

219

313

100 220

145

24 23

17 16 15

14 13

7 5 8

20 22 29 4

Distributor / Authorised Dealer

www.fostex.jp

In accordance with our policy of continuous development, we reserve the right to change specifica tions without notice.

Fostex Co. ,3-2- 35 Musa shino, Akishima,T okyo,J apan 196-0 021

Tel :+81(0) 42-546-497 4 Fax:+8 1(0)42 -546 -9222

Printed in China 500134

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