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Natural Basalt Melted and Spun
TS-D1720C
TS-D Series Speakers
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17cm woofer/28 mm soft-dome tweeter
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16 cm compatible shallow mounting adapter included
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Maximum input: 260 W
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Nominal input: 60 W
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13 cm woofer/28 mm soft-dome tweeter
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Maximum input: 180 W
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Nominal input: 35 W
260 W Max.
180 W Max.
Common Features
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Dual-layer IMX™ (Injection Molded Matrix) Aramid/Basalt fiber composite cone
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Large-sized woofer magnet
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Butyl rubber surround for smoother response
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Glass-imide voice coil bobbin
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Copper short ring for low distortion
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Single conex damper
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Thick woofer basket for lower distortion
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Light weight soft-dome tweeter with neodymium magnet and magnetic fluid
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Rear chamber for lower crossover frequency (tweeter)
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Surface (angled), flush or invisible tweeter mounting kit
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Outboard screw-type crossover (LPF: –12 dB/oct., HPF: –12dB/oct.)
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Tweeter level control (0 dB/–3 dB)
Dual-Layer IMX™ (Injection Molded Matrix) Aramid/Basalt Fiber Composite Cone
TS-D1720C
To create speaker cone material that performs well at natural sound reproduction,
Pioneer engineers take Basalt fibers interwoven with Aramid fibers and combine it
with foamed IMPP to create new-generation IMX cones which are light, rigid and
moderate inner loss. The process of turning Basalt rock into Basalt fiber consists of
pulverizing this natural volcanic rock that is most commonly found on Earth’s crust,
melting it at over 2,700° F. and drawing it into long hairbreadth-thin fibers. The foamed
IMPP hardens and fuses to the Basalt fibers, creating a one-piece cone. The result:
TS-D speakers reproduce natural, detailed sound, are stable in temperature extremes
and are eco-friendly.
TS-D1320C TS-D6902R TS-D1702R TS-D1602R TS-D1302R TS-D1002R
Aramid/Basalt Fiber Skin with Ceramic Coating
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Reproduces lively sound
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Disperses resonance
Composite Foamed IMPP
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Better transience in low and mid-low range
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Better rigidity and velocity
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Light weight for better response
TS-D1720C
17 cm Packaged Component Speaker System
TS-D1320C
13 cm Packaged Component Speaker System