FR 8 4 OHM

Art. No. 2007

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
- Control speaker for electronic devices
- Ceiling-mounted speakers in railway carriages and busses
- Electronic musical instruments

Attributes :
- Moisturised cone
- Metal basket

Used in / Accessories:
GRILLE FRS 8
GRILLE 8 ES

sketch

frequency- and impedance response

Technical Data:
Rated power	10 W
Maximum power	15 W
Nominal impedance Z	4 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 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	3,4 Ohm
Mechanical Q factor Qms	5,38
Electrical Q factor Qes	1,3
Total Q factor Qts	1,05
Equivalent volume Vas	0,6 l
Effective piston area Sd	30 cm²
Dynamically moved mass Mms	1,6 g
Force factor Bxl	2,1 Tm
Inductance of the voice coil L	0,3 mH
Temperature range	−25 ... 70 °C

Similar Products

B 80 8 OHM	F 8 SC 8 OHM
FR 87 4 OHM	FR 8 8 OHM
FR 8 JS 8 OHM	FR 8 WP 4 OHM (black)
FR 8 WP 4 OHM (white)	FR 8 WP 8 OHM (black)
FR 8 WP 8 OHM (white)	FRS 8 4 OHM
FRS 8 8 OHM	FRS 8 M 8 OHM
SC 8 N 8 OHM	SL 87 ND 8 OHM
SL 87 WPM 4 OHM	SL 87 WPM 8 OHM
SL 87 XA 8 OHM

directivity pattern

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