- 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
- 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
Similar speaker drivers to SEAS OR003-04 FL4RCN/F
Tang Band W1-2121S4 Ω |
---|
1″ Full-range |
fS | 120 Hz |
SD | 9.0 cm² |
120 - 15000 Hz |
QTS | 0.35 |
xmax | 2.3 mm |
SPL1W | 78 dB |
Bl/√RE | 1.68 |
Pmax | 12 W |
Tang Band W1-1070SH8 Ω |
---|
1″ Full-range |
fS | 180 Hz |
SD | 8.5 cm² |
180 - 20000 Hz |
QTS | 0.42 |
xmax | 2.0 mm |
SPL1W | 81 dB |
Bl/√RE | 1.32 |
Pmax | 8 W |
Tang Band W1-1828SA4 Ω |
---|
1″ Full-range |
fS | 120 Hz |
SD | 9.0 cm² |
120 - 20000 Hz |
QTS | 0.33 |
xmax | 1.3 mm |
SPL1W | 81 dB |
Bl/√RE | 1.4 |
Pmax | 8 W |