FR 8 JS - 8 Ohm

Art. No. 2000

8 cm (3.3") full-range speaker with waterproof polypropylene cone, good bass reproduction and balanced frequency response. Especially suitable as built-in speaker for music reproduction and as driver for 100 V network column speakers. *) IP protection class for front side when built into a sealed enclosure

Typical applications

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

Attributes

Polypropylene cone
metal design

Rated power	10 W
Maximum power	15 W
Nominal impedance Z	8 Ohm
Frequency response	80–20000 Hz
Mean sound pressure level	83 dB (1 W/1 m)
Opening angle (-6 dB)	180°/4000 Hz
Excursion limit	+/−2 mm
Resonance frequency fs	130 Hz
Magnetic induction	1.4 T
Magnetic flux	200 µWb
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	7.2 Ohm
Mechanical Q factor Qms	4.3
Electrical Q factor Qes	1.74
Total Q factor Qts	1.24
Equivalent volume Vas	0.84 l
Effective piston area Sd	30 cm²
Dynamically moved mass Mms	2.3 g
Force factor Bxl	2.77 Tm
Inductance of the voice coil L	0.6 mH
Connections	4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Protective system	IP 64 *)
Temperature range	–25 ... 70 °C

Rated power

10 W

Maximum power

15 W

Nominal impedance Z

8 Ohm

Frequency response

80–20000 Hz

Mean sound pressure level

83 dB (1 W/1 m)

Opening angle (-6 dB)

180°/4000 Hz

Excursion limit

+/−2 mm

Resonance frequency fs

130 Hz

Magnetic induction

1.4 T

Magnetic flux

200 µWb

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

7.2 Ohm

Mechanical Q factor Qms

4.3

Electrical Q factor Qes

1.74

Total Q factor Qts

1.24

Equivalent volume Vas

0.84 l

Effective piston area Sd

30 cm²

Dynamically moved mass Mms

2.3 g

Force factor Bxl

2.77 Tm

Inductance of the voice coil L

0.6 mH

Connections

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

Protective system

IP 64 *)

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 JS - 8 Ohm

Typical applications

Attributes

Used in / Accessories:

GRILLE FRS 8

GRILLE 8 ES