FR 8 - 8 Ohm

Art. No. 2008

8 cm (3.3") fullrange speaker with good bass reproduction, balanced frequency response and high efficiency. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers.

Typical applications

Narrow network column speakers
Ceiling- mounted speakers in railway carriages and busses
Electronic musical instruments
Monitoring speaker for electronic devices

Attributes

Moisture-resistant membrane
metal design

Rated power	10 W
Maximum power	15 W
Nominal impedance Z	8 Ohm
Frequency response	130–20000 Hz
Mean sound pressure level	86 dB (1 W/1 m)
Opening angle (-6 dB)	180°/4000 Hz
Excursion limit	+/−2 mm
Resonance frequency fs	150 Hz
Magnetic induction	1.4 T
Magnetic flux	200 µ Wb
Height of front pole-plate	3 mm
Voice coil diameter	15 mm
Height of winding	5 mm
Cutout diameter	75 mm
Net weight	0.24 kg
D.C. resistance Rdc	7.4 Ohm
Mechanical Q factor Qms	5.3
Electrical Q factor Qes	1.38
Total Q factor Qts	1.09
Equivalent volume Vas	0.7 l
Effective piston area Sd	30 cm²
Dynamically moved mass Mms	1.7 g
Force factor Bxl	2.5 Tm
Inductance of the voice coil L	0.6 mH
Connections	4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Temperature range	–25 ... 70 °C

Rated power

10 W

Maximum power

15 W

Nominal impedance Z

8 Ohm

Frequency response

130–20000 Hz

Mean sound pressure level

86 dB (1 W/1 m)

Opening angle (-6 dB)

180°/4000 Hz

Excursion limit

+/−2 mm

Resonance frequency fs

150 Hz

Magnetic induction

1.4 T

Magnetic flux

200 µ Wb

Height of front pole-plate

3 mm

Voice coil diameter

15 mm

Height of winding

5 mm

Cutout diameter

75 mm

Net weight

0.24 kg

D.C. resistance Rdc

7.4 Ohm

Mechanical Q factor Qms

5.3

Electrical Q factor Qes

1.38

Total Q factor Qts

1.09

Equivalent volume Vas

0.7 l

Effective piston area Sd

30 cm²

Dynamically moved mass Mms

1.7 g

Force factor Bxl

2.5 Tm

Inductance of the voice coil L

0.6 mH

Connections

4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)

Temperature range

–25 ... 70 °C

GRILLE FRS 8

Protective grille made of black painted metal. Decoration ring made of black plastics. Optimized fit for FRS 8 when mounting from rear side. Can be supplied painted in other colours on request. Attributes: - Plastics: PC-110 (UL 94: V-2)

GRILLE 8 ES

Protective grille made of black painted metal. Decoration ring made of black plastics. Optimized fit for FRS 8 when mounting from front side. Can be supplied painted in other colours on request. Attributes: - Plastics: PC-110 (UL 94: V-2)

FR 8 - 8 Ohm

Typical applications

Attributes

Used in / Accessories:

GRILLE FRS 8

GRILLE 8 ES