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Test & measurement
Seas Prestige L22RNX/P - H1252-08 8" Aluminum Cone Woofer
Extremely stiff aluminum cone gives tremendous bass precision. The cone and the low loss rubber surround show no sign of the familiar 500-1500 Hz cone edge resonance and distortion associated with soft cones.
Long, high temperature voice coil wound on an aluminum voice coil former gives low distortion and high power handling capacity. Phase plug reduces compression due to temperature variations in the voice coil, eliminates resonances that would occur in the volume between the dust cap and the pole piece and increases the power handling capacity. Large magnet system provides reasonably high efficiency and low Q.
Extremely stiff and stable injection molded metal basket keeps the critical components in perfect alignment. Large windows in the basket both above and below the spider reduce sound reflection, air flow noise and cavity resonance to a minimum.