7.4″ x 2.38″ Progressive Roll Spider

$4.75 – $10.25

Extended Dynamic Range: Handles greater excursions and higher power levels due to the increasing stiffness
Durability: Better suited for handling extreme forces and high-stress environments without damage.
Enhanced Control at Extremes: Provides better control of the voice coil at high excursion levels, reducing the risk of mechanical failure.

Lead Wire

Clear

SKU: N/A Categories: 2.38" VCID, New Product

Description

7.4″ x 2.38″ Progressive Roll Spider

7.4″ x 2.38″ Progressive spider feature a varying roll or corrugation pattern, with compliance increasing (becoming stiffer) as displacement increases. The inner rolls are softer, while the outer rolls are stiffer. Made from Nomex fabric impregnated with stiffening resin, the design allows for variations in stiffness across the spider. This results in a non-linear compliance characteristic, meaning the restoring force increases as the voice coil moves further from its rest position.

7.4″ x 2.38″ progressive roll spider offers an extended dynamic range, handling greater excursions and higher power levels due to the increasing stiffness, making them suitable for high-power applications. They are durable, better suited for handling extreme forces and high-stress environments without damage. Additionally, they provide enhanced control of the voice coil at high excursion levels, reducing the risk of mechanical failure.

Do I need to stack multiple spiders?

Stacking multiple7.4″ x 2.38″ progressive spiders on top of each other in a speaker design offers several benefits. Multiple spiders provide additional support to the voice coil, ensuring it remains centered and stable. This reduces the risk of coil rubbing against the magnet assembly, enhancing overall speaker reliability. The combined stiffness from stacked spiders allows the speaker to handle higher power levels without distortion. This is particularly useful in high-performance audio systems where loud volumes and powerful outputs are required. Stacking spiders increases control over the voice coil’s movement, especially during large excursions. This helps maintain linearity and reduces distortion for clearer sound reproduction. Multiple spiders also improve the damping of the speaker system, reducing unwanted resonances and vibrations. This leads to a cleaner and more accurate audio output, especially at high frequencies.

By stacking spiders with different stiffness characteristics, designers can fine-tune the compliance of the speaker suspension system. This allows for more precise control over the speaker’s performance, optimizing it for specific audio applications. The additional layers of spiders distribute mechanical stress more evenly, reducing wear and tear on individual components. This can extend the overall lifespan of the speaker, making it more durable in demanding environments. In summary, stacking multiple spiders enhances stability, power handling, control over excursions, damping characteristics, customization of compliance, and overall durability, resulting in improved performance and longevity.

Additional information

Weight	2 oz
Dimensions	12 × 10 × 1 in
Lead Wire	Non Leaded, Single Sewn Leads

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7.4″ x 2.38″ Progressive Roll Spider

7.4″ x 2.38″ Progressive Roll Spider

Do I need to stack multiple spiders?

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