Jensen Mod 8-20
4Ω
8Ω
Guitar Speaker
Nominal diameter | 8″ / 207 mm |
Resonance | 119 Hz |
Q factor | 2.24 |
Sensitivity | 96.6 dB |
Linear excursion | ± 1 mm |
Program Power | 40 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.6dB
Thiele & Small parameters
- Resonance frequency (free air) fS 119Hz
- Mechanical quality factor QMS 19.88
- Electrical quality factor QES 2.52
- Total quality factor QTS 2.24
Large signal parameters
- Maximum linear excursion xmax 1mm
- Air volume displaced at xmax VD 21cm³
- Power handling P 20W
- Program power Pmax 40W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.5Ω
- Inductance (1kHz) LE 0.4mH
- VC Diameter 25mm
- Winding material Copper
- Former material Epotex
Magnet
- Flux density B 1T
- Force factor Bl 4.45N/A
- Motor constant Bl/√RE 1.75N/√W
- Weight 0.16kg
- Material Ferrite
Diaphragm
- Effective diameter 165mm
- Effective area SD 214cm²
- Moving mass MMS 10.3g
- Moving mass (without air load) MMD 8g
- Material Paper
Suspensions
- Stiffness KMS 5.78N/mm
- Compliance CMS 173µm/N
- Equivalent volume to the compliance VAS 11.1L
- Mechanical resistance RMS 0.39N·s/m
- Surround material Integrated Paper
Dimensions
- Nominal diameter 8″
- 207mm
- Overall diameter 207mm
- Volume occupied by the driver (estimated) 0.26L
- Net weight 0.68kg
- Frame material Pressed Sheet
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