Woofer Cone: Pioneer uses aramid fiber interlaced injection
molded polypropylene (IMPP) for the cone, making it more rigid than polypropylene
Dual 4Ω Voice Coils: This woofer features two 4Ω voice
coils, offering wiring flexibility. When the voice coils are wired in parallel, the
woofer presents a 2Ω load; when wired in series, the woofer presents an 8Ω
Terminals: The spring post terminals will accept pin connectors,
single banana plugs, or bare wire up to 10 gauge.
Sealed Box Volume: The sealed box sizes recommended by Pioneer
range from 0.8 ft³ to 1.2 ft³; within this range the ideal size is 1.0 ft³.
Vented Box Volume: The vented box sizes recommended by Pioneer
range from 0.8ft³ to 1.2 ft³; within this range the ideal size is 1.0 ft³ with a
single 3" diameter x 6" long port.
Double-stacked Magnet: The woofer uses double-stacked magnets
to create a powerful magnetic force. This increases the control exerted over the
Free-Air: The woofer can also be mounted in free air to a
baffle board (infinite baffle, no enclosure). When mounted in free air, the
power handling is reduced by 75% (to 150 watts).
Measurements: When mounting the woofer without the trim
ring, the dimensions change as follows:
- Mounting Height: 0.564"
- Flange Height: 0.165"
- Frame Diameter: 12.26"
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