Focal Utopia Be 21 WX Be User manual

Vas

Qts

Qes

Qms

Cas

Mas

Ras

Cms

Mms

Rms

Ces

Les

Res

SPL

Focal®is a trademark of Focal-JMlab®

108, rue de l'Avenir - BP 374 - 42353 La Talaudière cedex - France - Tel. +33 4 77 43 57 00 - Fax +33 4 77 43 57 04 - www.focal-fr.com

Speciﬁcations

Parameters

Mechanical Drawing

©Focal-JMlab - SCFR041108/2

Unit: mm

21 WX Be

8’’ Utopia Be®subwoofer

250 W

500 W

86.5 dB

Rubber

4 ohm

3.4 ohm

50 mm 2 in

25 mm 1 in

Aluminum

Copper

1.13 mH

8.5 mm 0.33 in

15x45 mm 0.6 x1.8 in

1.3 kg 2.9 Ibs

0.85 T

8 mm 0.31 in

4 kg 8.8 Ibs

36.63 Hz

18.8 I

0.6

0.77

2.81

3.4 ohm

208.67 cm2

1.34E-07 m5/

141.01 kg/m4

11549.11 ohm.ac

3.07E-04 m/

61.4 g

5.029 kg/s

984 mF

19.19 mH

12.41 ohm

7.9 /A

82.63 dB/W/m

•Multiferrite magnet

•W cone

•For compact closed box

•High power handling

Suggested application

Load V (l) Fb (Hz) F-3 (Hz) Ql

Sealed 30 - 43 0.77

Sealed 15 - 45 0.907

Frequency Response

Nominal power

Maximum power

Sensitivity (2.83V/m)

Cone

Surround

Nom. impedance

DC resistance

VC diameter

VC height

Former

Layers

Wire

Inductance

Xmax

Magnet (12 units)

Magnet weight

Flux density

Gap height

Net weight

Table of contents

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