SKU: V-2274-SL70NDV SL 70 NDV - 4 Ohm

Visaton Speaker Driver - SL 70 NDV - 4 Ohm Full Range Speaker
Art. No. 2274

Visaton SL70NDV - 4 Ohm Full Range Speaker 6.5cm (2.5")

Characteristics and Sound Properties
6.5 cm (2.5") full-range speaker with balanced frequency response and increased high-range. Especially suitable as built-in speaker for music and speech reproduction and as driver for slim PA column systems. Water-resistant and robust construction due to various plastic materials. Thanks to the neodymium construction it is extremely light and compact.

Technical Specifications

Rated power	8 W
Maximum power	15 W
Nominal impedance Z	4 Ohm
Frequency response	150–20000 Hz
Mean sound pressure level	87 dB (1W/1m)
Excursion limit	± 3mm
Resonance frequency fs	220 Hz
Magnetic induction	1.26 T
Magnetic flux	148 µWb
Voice coil diameter	15 mm
Height of winding	3 mm
Cutout diameter	63 mm
Net weight	0.06 kg
DC resistance Rdc	3.6 Ohm
Mechanical Q factor Qms	5.18
Electrical Q factor Qes	3.6
Total Q factor Qts	2.12
Equivalent volume Vas	0.28 litres
Effective piston area Sd	21.6 cm2
Dynamically moved mass Mms	0.9 grams
Force factor Bxl	1.18 Tm
Connections	3.0 x 0.5 mm (+) 3.0 x 0.5 mm (−)
Temperature range	−40 ... +80 °C
Protective system	IP 65*)

*) IP protection class for front side when built into a sealed enclosure

Driver Dimensions

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

Frequency and Impedance Response

Loudspeaker Frequency and Impedance Response Graph