SKU: V-8047-SC47ND SC 4.7 ND - 4 Ohm

Visaton Speaker Driver - SC 4.7 ND - 4 Ohm Fullrange Driver
Art. No. 8047

Visaton SC4.7ND - 4 Ohm Fullrange driver

Characteristics and Sound Properties
Magnetically shielded 4 x 7 cm (1.6" x 2.8") fullrange driver with good efficiency and balanced frequency response with a clear highrange reproduction. Extremely small size due to a neodymium magnet system. Applicable as built-in speaker in TV's and PC's with very small mounting space.

Typical applications:-
- Video monitoring screens
- TVs
- Control speaker for electronic devices

Attributes:-
- Moisturised cone
- Metal basket
- Magnetically shielded

Technical Specifications

Rated power	2 W
Maximum power	4 W
Nominal impedance Z	4 Ohm
Frequency response	220–20000 Hz
Mean sound pressure level	81 dB (1W/1m)
Opening angle (-6 dB)	180°/4000 Hz hor. 180°/4000 Hz ver.
Excursion limit	± 0.5 mm
Resonance frequency fs	360 Hz
Magnetic induction	0.7 T
Magnetic flux	60 µWb
Height of front pole-plate	2 mm
Voice coil diameter	14 mm
Height of winding	2 mm
Cutout diameter	35 x 65 mm (oval)
Net weight	0.041 kg
DC resistance Rdc	3.6 Ohm
Mechanical Q factor Qms	5.42
Electrical Q factor Qes	5.81
Total Q factor Qts	2.8
Equivalent volume Vas	0.18 litres
Effective piston area Sd	16 cm2
Dynamically moved mass Mms	0.6 grams
Force factor Bxl	0.9 Tm
Inductance of the voice coil L	0.2 mH
Connections	4.8 x 0.5 mm (+) 2.8 x 0.5 mm (−)

Driver Dimensions

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

Frequency and Impedance Response

Loudspeaker Frequency and Impedance Response Graph

Directivity Pattern