H1794-08
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Fullrange Seas Prestige H1794-08 FEA18RCZ
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Fullrange Seas Prestige H1794-08 FEA18RCZ
he FEA18RCZ is an 18cm (6.5”) full range driver offering excellent
efficiency and extended bandwidth in a compact package.
A blue-grey paper cone with papyrus fibres, and a high frequency cone directly coupled to the voice coil set the air in motion. The flexible surround is made from a low loss rubber material with minimal damping properties.
The large spider provides low mechanical resistance, and offers excellent stiffness linearity. A heat resistant, non-conductive glass fibre coil former allows a high mechanical Q-factor of the moving system.
A large ferrite ring magnet offers a high magnetic gap flux in a cost efficient way. The pole piece is prolonged forwards and equipped with a long copper cap to ensure excellent linearity in the force factor and coil inductance.
A stiff and stable injection moulded zinc chassis keeps the critical components in perfect alignment. Large windows in the chassis both above and below the spider reduce sound reflexion, air flow noise and cavity resonance to a minimum.
Nominal Impedance | 8 Ohms |
Recommended Frequency Range | 45 - 20000 Hz |
Short Term Power Handling * | 110 W |
Long Term Power Handling * | 40 W |
Characteristic Sensitivity (2,83V, lm) 89,7 dB | |
Voice Coil Diameter | 26 mm |
Voice CoU Height | 12 mm |
Air Gap Height | 6 mm |
Linear Coil Travel (p-p) | 6 mm |
Maximum Coil Travel (p-p) | 14 mm |
Magnetic Gap Flux Density | 1.1 T |
Magnet Weight | 0.6 kg |
Total Weight | 1.8 kg |
Voice Coil Resistance | 5.7 Ohms |
Voice Coil Inductance | 0.49 mH |
Force Factor | 6.6 N/A |
Free Air Resonance | 42 Hz |
Moving Mass | 12.1 g |
Air Load Mass In EC Baffle | |
Suspension Compliance | 1.19 mm/N |
Suspension Mechanical Resistance | 0.51 Ns/m |
Effective Piston Area | 136 cm² |
VAS | 31 Litres |
QMS | 6.29 |
QES | 0.42 |
QTS | 0.39 |
*IEC 268-5 SEAS reserves the right to change technical data
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