One-Piece extended Pole, invented by Stillwater Designs,
creates a broad, symmetrical magnetic field for superior
power handling, precise voice coil control, and minimal
deep bass distortion.
Rubberized boot Protects
massive magnet structure
from chipping or breaking.
Perimeter vents Create a vortex
cooling effect around the voice coil.
Dual Voice Coil and Kapton®
former Create superior magnetic
field and effectively dissipate heat.
Durable resin-impregnated
poly-cotton spider provides
precise coil alignment and
critical cone motion control.
Venting in the pole piece
eliminates noise and distortion
caused by huge amounts of airflow
created by extreme cone excursion.
Spring-Loaded nickel plated terminals
For solid connections with large gauge
speaker wire.
ISD (Inverted Structural Dome)
increases cone's resistance to
flex under pressure.
Tough, flexible surround With
long-throw, positive-roll design
controls extreme cone excursions
and is highly tear resistant.
Ribbed Ensures linear cone motion.
SSD (Spun Spoke Design)
Enhances the cosmetics
and provides a solid anti-
resonant foundation for
the motor assembly.
Patent Pending
Patented
High-Power Tinsel Lead Wires
To resist lead breakage and power-robbing
resistance.
Deep bumped back plate Lets voice coil
reach maximum excursion without bottoming-out.
WARG (Wrap ARound Gasket) Provides
greater durability and resistance to separation
while providing a superior seal.
Hemispherical Mica-Loaded Polypropylene Cone
High rigidity under pressure for accurate linear control;
stops enclosure pressure loss to reduce "pump-down";
excellent sunlight, pollution and moisture resistance.
Double Stitched Surround It prevents
the surround from separating from the
cone at high excursions
Signature Feature
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General
Weight and Dimensions
