SEAS H1699-08/06 MR18REX/XF
8Ω
Coaxial
| Nominal diameter | 8″ / 180 mm |
| Resonance | 126 Hz |
| Q factor | 0.69 |
| Sensitivity | 90.4 dB |
| Linear excursion | ± 3 mm |
| Program Power | 250 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 90.4dB
- Frequency response 200 - 25000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 126Hz
- Mechanical quality factor QMS 2.49
- Electrical quality factor QES 0.96
- Total quality factor QTS 0.69
Large signal parameters
- Maximum linear excursion (one way) xmax 3mm
- Maximum excursion before damage xlim 6mm
- Air volume displaced at xmax VD 38cm³
- Power handling P 80W
- Program power Pmax 250W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.2Ω
- Inductance (1kHz) LE 0.43mH
- VC Diameter 39mm
- Winding height HVC 12mm
Magnet
- Flux density B 1.1T
- Force factor Bl 8.3N/A
- Motor constant Bl/√RE 3.33N/√W
- Air gap height HAG 6mm
- Weight 0.64kg
Diaphragm
- Effective diameter 127mm
- Effective area SD 126cm²
- Moving mass MMS 11.8g
- Moving mass (without air load) MMD 10.7g
Suspensions
- Stiffness KMS 10N/mm
- Compliance CMS 100µm/N
- Equivalent volume to the compliance VAS 3L
- Mechanical resistance RMS 4.26N·s/m
Dimensions
- Nominal diameter 8″
- 180mm
- Volume occupied by the driver (estimated) 0.83L
- Net weight 2.02kg
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