SKU: V-2261-BF37 BF37 - 8 Ohm

Visaton Speaker Driver - BF37 - 8 Ohm 3.7 cm / 1.5" Fullrange Speaker
Art. No. 2261

Visaton BF 37 - 8 Ohm 3.7 cm or 1.5" fullrange speaker

Characteristics and Sound Properties
3.7 cm (1.5") fullrange speaker with a wide and balanced frequency response and very good low range reproduction. With powerful Neodymium driver and high membrane excursion limit, optimised for small vented enclosures/enclosures with passive radiator.

Suitable for applications where slim construction and good music and speech reproduction are requested.

Typical Applications:-

• Flat TVs
• Info terminals
• Other compact devices speech and music reproduction

Technical Specifications

Rated power	5 W
Maximum power	8 W
Nominal impedance Z	8 Ohm
Frequency response (fu: Lower cut-off frequency depending on cabinet)	100–20000 Hz
Mean sound pressure level	74 dB (1 W/1 m)
Excursion limit	±3.4 mm
Resonance frequency fs	170 Hz
Net weight	33g
DC resistance Rdc	7.0 Ohm
Mechanical Q factor Qms	4.0
Electrical Q factor Qes	1.1
Total Q factor Qts	0.86
Equivalent volume Vas	0.05 litres
Effective piston area Sd	6.2cm2
Dynamically moved mass Mms	1.0g
Force factor Bxl	2.56 Tm
Inductance of the voice coil L	0.085 mH
Connections	Soldering lugs
Protective system	IP X4 *)

*) IP protection class for front side when built into a sealed enclosure (gluing of the loudspeaker might be necessary)

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)