SEAS OR003-04 FL4RCN/F

Full-range

Nominal diameter
1.5″ / 40 mm
Resonance
140 Hz
Q factor
0.37
Sensitivity
80 dB
Linear excursion
± 2.7 mm
Program Power
4 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 80.1dB
  • Frequency response 200 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 140Hz
  • Mechanical quality factor QMS 1.56
  • Electrical quality factor QES 0.48
  • Total quality factor QTS 0.37

Large signal parameters

  • Maximum linear excursion xmax 2.7mm
  • Maximum excursion before damage xlim 3.2mm
  • Air volume displaced at xmax VD 2.5cm³
  • Power handling P 3W
  • Program power Pmax 4W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.6Ω
  • Inductance (1kHz) LE 0.09mH
  • VC Diameter 26mm
  • Winding height HVC 9mm

Magnet

  • Flux density B 0.693T
  • Force factor Bl 2.8N/A
  • Motor constant Bl/√RE 1.47N/√W
  • Air gap height HAG 2mm
  • Diameter 32mm
  • Weight 0.021kg

Diaphragm

  • Effective diameter 34mm
  • Effective area SD 9.08cm²
  • Moving mass MMS 1.21g
  • Moving mass (without air load) MMD 1.2g

Suspensions

  • Stiffness KMS 0.935N/mm
  • Compliance CMS 1070µm/N
  • Equivalent volume to the compliance VAS 0.13L
  • Mechanical resistance RMS 0.68N·s/m

Dimensions

  • Nominal diameter 1.5
  • 40mm
  • Overall diameter 40mm
  • Baffle cutout diameter 36mm
  • Mounting depth 15mm
  • Net weight 0.06kg
SEAS OR003-04 FL4RCN/F SPL & Impedance
SEAS OR003-04 FL4RCN/F Dimensions

Similar speaker drivers to SEAS OR003-04 FL4RCN/F

Tang Band W1-2121S Full-range

Tang Band W1-2121S

4 Ω
1 Full-range
fS120 Hz
SD9.0 cm²
120 - 15000 Hz
QTS0.35
xmax2.3 mm
SPL1W78 dB
Bl/√RE1.68
Pmax12 W
Tang Band W1-1070SH Full-range

Tang Band W1-1070SH

8 Ω
1 Full-range
fS180 Hz
SD8.5 cm²
180 - 20000 Hz
QTS0.42
xmax2.0 mm
SPL1W81 dB
Bl/√RE1.32
Pmax8 W
Tang Band W1-1828SA Full-range

Tang Band W1-1828SA

4 Ω
1 Full-range
fS120 Hz
SD9.0 cm²
120 - 20000 Hz
QTS0.33
xmax1.3 mm
SPL1W81 dB
Bl/√RE1.4
Pmax8 W