Fostex P1000K
8Ω
Full-range
| Nominal diameter | 4″ / 100 mm |
| Resonance | 82 Hz |
| Q factor | 0.53 |
| Sensitivity | 88.7 dB |
| Linear excursion | ± 0.4 mm |
| Program Power | 36 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 88.7dB
- Frequency response 82 - 16000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 82Hz
- Mechanical quality factor QMS 4.00
- Electrical quality factor QES 0.60
- Total quality factor QTS 0.53
Large signal parameters
- Maximum linear excursion (one way) xmax 0.4mm
- Air volume displaced at xmax VD 1.8cm³
- Power handling P 12W
- Program power Pmax 36W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.8Ω
- Inductance (1kHz) LE 0.04mH
- VC Diameter 20mm
Magnet
- Force factor Bl 4.29N/A
- Motor constant Bl/√RE 1.65N/√W
- Weight 0.12kg
Diaphragm
- Effective diameter 80mm
- Effective area SD 50cm²
- Moving mass MMS 3.1g
- Moving mass (without air load) MMD 2.8g
Suspensions
- Stiffness KMS 0.806N/mm
- Compliance CMS 1241µm/N
- Equivalent volume to the compliance VAS 4.84L
- Mechanical resistance RMS 0.4N·s/m
Dimensions
- Nominal diameter 4″
- 100mm
- Overall diameter 107mm
- Baffle cutout diameter 94mm
- Overall depth 48mm
- Volume occupied by the driver (estimated) 0.12L
- Net weight 0.405kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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