ReviewsPolypropylene Cone

Pioneer TS-A6960F 6 x9 4-Way Coaxial Speaker

  • Twin 11mm polyethylene terephthalate (pet) hard dome tweeter.
  • 6 x 9" Carbon and mica reinforced injection molded polypropylene (IMPP) cone construction.
  • Included components: (2) Speakers, Manual.
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Memphis Audio Dual 12 inch M7 Loaded Subwoofer Enclosure 1500 Watts RMS

  • Optimized for sealed or ported enclosures.
  • Polypropylene cone for improved durability.
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BOSS Audio BOSP12SVC Phantom Series Subwoofer (12')

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Kenwood KFC-6965S 6 x 9 Inches 3-Way 400W Speakers Pack of 2

  • Power Handling: Peak: 400 watts per pair / RMS: 45 watts per pair.
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Kicker 43CWRT672 CompRT 6.75 Inch 300 Watts 2 Ohm Dual Voice Coil Shallow Slim Car Audio Subwoofer with Santoprene Surround and Polypropylene Cone

  • 6.75-INCH SUBWOOFER: One Kicker CompRT Round 6.75 Inch Shallow Mount Car Audio Subwoofer for serious bass power.
  • 300 WATTS MAX POWER: MAX Power Handling: 300 Watts.
  • DUAL VOICE COIL: Dual voice coil 2 ohm impedance and 82.6 dB sensitivity with 60.5 Hz driver resonance frequency.
  • POLYPROPYLENE CONE: Features injection molded polypropylene cone and rubber surround that's weatherproof for outdoor use.
  • SPECIFICATIONS: Mounting depth: 2.75 inches.
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Pioneer TS-A6990F 6x9 5-way car audio speakers Pair ,blk

  • Triple polyethylene terephthalate (pet) hard dome tweeter.
  • 2-1/4" Polyetherimide (PEI) film cone midrange.
  • 6 x 9" Carbon and mica reinforced injection molded polypropylene (IMPP) cone construction.
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MartinLogan Motion 60XTi Floorstanding Speaker Gloss Black (Each)

  • High Frequency Transducer: 1.25" × 2.4" (3.2cm × 6.1cm) Folded Motion XT Transducer with 4.5" x 2.75" (11.4cm × 7cm) diaphragm.
  • Mid Frequency Transducer: 6.5” (16.5cm) aluminum cone with cast polymer basket. Sealed chamber format. Rigid structured dust cap to reduce cone break-up modes..
  • Low Frequency Transducer: Two 8” (20.3cm) aluminum cone with cast aluminum basket. Non-resonant asymmetrical chamber format. Rigid structured dust cap to reduce cone break-up modes..
  • Components: Custom air core coil and low DCR steel laminate inductors. Polypropylene film capacitors in series and low DF electrolytic capacitors in parallel. Tweeter thermal/current protection..
  • Inputs: Custom 5-way bi-wire tool-less binding posts.
  • Frequency Response: 35–25,000 Hz ±3dB, Recommended Amplifier Power: 20-400 watts per channel.
  • Horizontal Dispersion: 80°, Vertical Dispersion: 30°, Sensitivity: 94 dB/2.83 volts/meter.
  • Impedance: 4 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers..
  • Weight: 66 lbs., Dimensions: 48" x 11.4" x 14.4".
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Rockford Fosgate P132 Punch 3.50

  • The Punch P132 is an impressive 2-way full-range speaker designed for fanatics who need a high quality factory replacement in an easy to install package.
  • The P132 3.5 4-Ohm black speakers come as a pair, have a power handling of 20 Watts RMS/40 Watts Max and includes mounting hardware.
  • Featuring a PEI dome tweeter with built-in crossover and injection molded mineral filled polypropylene cone with butyl rubber surround that provides high output and accurate frequency reproduction.
  • FlexFit basket design utilizes slots instead of single screw sized holes that allow for a slight adjustment of the speaker when aligning with OEM mounting holes for a better fit.
  • Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller.
  • 3.5-inch full-range speaker with 40 watts maximum power handling (20 watts RMS).
  • Mineral-filled and polypropylene injection molded cone with butyl rubber surround.
  • PEI dome tweeter with built-in crossover.
  • Flex Fit basket allows slight adjustment of the speaker when mounted.
  • 120Hz - 22kHz frequency response with 85dB sensitivity.
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Memphis Audio SRX1240 Street Reference Series 12" 500 Watts Peak Power 4 Ohm Car Subwoofer

  • Optimized for sealed or ported enclosures.
  • Polypropylene cone for improved durability.
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JBL Stage 39637F - 6” x 9” Three-way car audio speaker, No Grill

  • Plus One Woofer Cone Architecture - Patented (US patent #7,548,631) Plus One cones provide more overall speaker-cone area than other speakers for the same size.
  • Specified Shallow Design for More Mounting Application - Club 620F specified compact design for 6-1/2" that allows them to fit in just about any vehicle on the road today..
  • Acoustically Damped, UV-Resistant Polypropylene Cone - Every Club speaker’s woofer cone is designed to deliver clean, non-resonant sound quality, while standing up to the demanding heat and humidity of the car environment..
  • Bigger Magnet, Bigger Power Handling - The new Club lineup features a larger magnet delivering higher power handling than competitors at similar price points..
  • I-Mount Tweeter Mounting Kit - The I-Mount (patent no. 5,859,917) tweeter-mounting system allows easy and versatile installation of tweeters in each of the component systems..
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Memphis Audio SRXS1040 10' Car Audio Shallow Subwoofer

  • Features: Power Handling: 250W RMS / 500W Peak, 12 AWG compression terminals, Anodized aluminum voice coil former, Optimized for sealed or ported enclosures, Sub cone design for greater efficiency, Polypropylene cone for improved durability, Progressive poly cotton spider for controlled motion resulting in lower distortion, Rubber surround for improved durability, Voice Coil Diameter: 2″, Sensitivity: 84 dB, Magnet Size: 40 oz, Mounting Depth: 3.30″, and Cut Out Diameter: 9.22″.
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