HCCA™ makes an update to this already excellent woofer by adding a new voice coil of better quality and higher power. This modification increases the power performance and temperature control.
High temperature PAARC (Polyester Amide, Amide Resin Coated) Voice coil
Dual 4 ohm copper wound voice coil on aluminium former
Sensitivity: 87.2 dB
Polypropylene dust cap - moisture and UV resistant.
Tall, wide, balanced, NBR Foam (high density expanded polyester foam) surround for linear controlled long excursion using a Tri Radius symmetrical edge design optimized on non-linear FEA.
Paper cone - moisture and UV resistant.
Custom Cast Aluminium frame.
Spider ring attachment screws. Part of re-cone feature (8 hex screws)
Aluminium voice coil former (10” uses 3” voice coil former, 12 & 15 use a 4” voice coil former)
Venting in Voice coil former. Part of the enhanced voice coil cooling system (forced convection)
11mm Steel front plate.
1.25” vent. Part of the enhanced voice coil cooling system (forced convection - aluminium heat sinking - shorting rings to reduce inductive heating)..
Voice coil gap vents. Part of the enhanced voice coil cooling system (forced convection - aluminium heat sinking -shorting rings to reduce inductive heating).
Cast aluminium rear pole piece heat sink with fins and vent holes. Part of the enhanced voice coil cooling system (forced convection - aluminium heat sinking)
High temperature (Polyester Amide Resin Coated) Copper clad aluminium voice coil wound on an aluminium former (10” uses 3” voice coil, 12 & 15 use a 4” voice coil) Dual 2 and 4 ohm voice coils available
Screen meshed areas to allow venting below spider to and keep foreign object out of the voice coil gap.
Cast aluminium top pole piece heat sink with fins and vent hole. Part of the enhanced voice coil cooling system (forced convection-aluminium heat sinking-shorting rings to reduce inductive heating).
Bottom flat interlaced Conex spider with stitched and looped tinsel leads attached.
Custom allen head screw terminals. A pair on each side (one pair for each voice coil).
Spider spacer and spider mounting ring assembly part of field re-cone kit attachment method. (eight allen head screws).
Top flat interlaced Conex spider.
Surround clamp ring, part of field re-cone kit attachment method.