VISATON FR 8 WP - 4 Ohm

4Ω

Full-range

Nominal diameter	3.3″ / 80 mm
Resonance	158 Hz
Q factor	0.88
Sensitivity	83.9 dB
Linear excursion	± 0.5 mm
Program Power	25 W

VISATON FR 8 WP - 4 Ohm Full-range

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 83.9dB
Frequency response 100 - 20000Hz

Thiele & Small parameters

Resonance frequency (free air) fS 158Hz
Mechanical quality factor QMS 2.62
Electrical quality factor QES 1.33
Total quality factor QTS 0.88

Large signal parameters

Maximum linear excursion (one way) xmax 0.5mm
Maximum excursion before damage xlim 3mm
Air volume displaced at xmax VD 1.5cm³
Power handling P 15W
Program power Pmax 25W

Voice Coil

Nominal impedance Z 4Ω
DC resistance RE 4.1Ω
Inductance (1kHz) LE 0.3mH
VC Diameter 20mm
Winding height HVC 4mm

Magnet

Flux density B 1T
Force factor Bl 2.8N/A
Motor constant Bl/√RE 1.38N/√W
Air gap height HAG 3mm

Diaphragm

Effective diameter 62mm
Effective area SD 30cm²
Moving mass MMS 2.9g
Moving mass (without air load) MMD 2.8g
Material Waterproof

Suspensions

Stiffness KMS 3.2N/mm
Compliance CMS 313µm/N
Equivalent volume to the compliance VAS 0.4L
Mechanical resistance RMS 1.1N·s/m

Dimensions

Nominal diameter 3.3″
80mm
Baffle cutout diameter 74mm
Net weight 0.23kg

VISATON FR 8 WP - 4 Ohm SPL & Impedance

VISATON FR 8 WP - 4 Ohm Dimensions

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