Focal Utopia Be Subwoofer 33 WS

Specifi cations

Nominal power

400W

Maximum power

800W

Sensitivity

92 dB

Cone

W

Surround

Rubber

Nom. impedance

4 Ohms

DC resistance

3.5 Ohms

VC diameter

77 mm

3.08 in

VC height

28 mm

1.12 in

Former

Aluminum

Layers

2

Wire

Copper

Inductance

2.05 mH

Xmax

9 mm

0.36 in

Magnet (12 units)

15 x 72 mm

0.60 x 2.88 in

Magnet weight

10.3 kg

22.98 lbs

Flux density

0.8 T

Gap height

10 mm

0,40 in

Net weight

12.45 kg

27.77 lbs

Parameters

Fs

32.52 Hz

Vas

73.06 l

Qts

0.349

Qes

0.360

Qms

11.75

Re

3.32 ohms

Sd

551.55 cm?

Cas

5.20E-07 m5/N

Mas

46.04 Kg/m4

Ras

800.71 ohms.ac

Cms

1.71E-04 m/N

Mms

140.07 g

Rms

2.436 kg/s

Ces

530.68 mF

Les

45.13 mH

Res

108.36 ohms

BI

16.25 N/A

SPL

90.28 dB/W/m

Suggested application

Load

V (l)

F-3 (Hz)

FB (Hz)

?vent (d x l)

Vented

35 litres

43

42

10 x 30 cm

Vented

45 litres

40

40

10 x 25 cm