FR 12 - 4 Ohm

Visaton Speaker Driver - FR 12 - 4 Ohm Full Range
Art. No. 2060

Visaton FR12 - 4 Ohm Full Range

Characteristics and Sound Properties
13 cm (5") fullrange speaker system with an inverted cone displacement. Very compact design making this the ideal choice where space is at a premium.

Typical applications:-
- Built into cars, buses or trains
- Electronic musical instruments
- Monitoring speaker for electronic devices

Technical Specifications

Rated power	15 W
Maximum power	40 W
Nominal impedance Z	4 Ohm
Frequency response	70–18000 Hz
Mean sound pressure level	85 dB (1W/1m)
Dispersion angle (-6 dB)	79°/4000 Hz
Excursion limit	± 2.5 mm
Resonance frequency fs	110 Hz
Magnetic induction	0.8 T
Magnetic flux	150 µWb
Height of front pole-plate	3 mm
Voice coil diameter	20 mm
Height of winding	4.5 mm
Cutout diameter	114 mm
Net weight	0.284 kg
DC resistance Rdc	3.4 Ohm
Mechanical Q factor Qms	5.61
Electrical Q factor Qes	2.8
Total Q factor Qts	1.87
Equivalent volume Vas	8.7 litres
Effective piston area Sd	87 cm2
Dynamically moved mass Mms	3.8 grams
Force factor Bxl	1.7 Tm
Inductance of the voice coil L	0.1 mH
Connections	4.8 x 0.8 mm (+) 2.8 x 0.8 mm (−)
Temperature range	−25 ... 70 °C

Driver Dimensions

Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)

Frequency and Impedance Response

Loudspeaker Frequency and Impedance Response Graph

Directivity Pattern

Loudspeaker Directivity Pattern (on and off axis response)