Seas H1794 (FEA18RCZ) 7" Full Range

Price: $114.40


Manufacturer: Seas Prestige
Product ID : H1794
Weight: 5.00 lbs
Manufacturer: Seas Prestige
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Seas H1794 (FEA18RCZ) 7" Full Range

The 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.

Possible box alignments:
  • 0.4 cubic foot sealed with 20% filling for 3dB down (f3) of 90Hz
  • 0.8 cubic foot vented with 2" diameter vent by 4.75" long for f3 of 50Hz
  • 1.0 cubic foot vented with 2" diameter vent by 3.75" long for f3 of 47Hz
  • 1.25 cubic foot vented with 2" diameter vent by 2.5" long for f3 of 41Hz
  • Seas Application Guide - 19 liters (0.75cf) with 2" diameter vent by 3.75" long for f3 of 52Hz
Manufacturer Datasheet PDF

SEAS H1794 Application Notes

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