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12
PRIME BOOKSHELF
Frequency Response and Electro-Acoustic Data:
• Rated bandwidth: 48 Hz-25 kHz (+/-3 dB).
• Nominal impedance: 8 ohms.
• Sensitivity: 87 dB (2.83V @ 1 meter full-space, 300-3kHz).
• Recommended amplifier power: 20-150 watts.
Loudspeaker Physical Description:
• Black ash and piano gloss black finish options.
• 5-way binding posts.
• 1.7” wide-flared rear-firing port.
• Cloth grille with pin/cup retention system.
• Elastomer stick-on bumper feet (adds 3mm to height).
• Cabinet Dimensions: 13.2" (H) X 8" (W) X 9.4" (D).
• Overall Dimensions: 13.3" (H) X 8" (W) X 10.3" (D) (includes grille, binding posts and
bumper feet).
• Weight Unboxed: 15.5 pounds.
Driver Array and Technical Highlights:
• 1" tweeter features FEA-optimized diffuser and aluminum dome.
• 6.5" woofer features long stroke motor and suspension, polypropylene cone, aluminum
shorting ring, cast ABS-fiberglass composite basket and vented voice coil former.
SoundMatch Crossover Network:
• 2-way crossover with premium-grade capacitors, air-core inductors and heavy-trace
printed circuit boards.
• Crossover network delivers outstanding phase coherency and time domain behavior.
• Tweeter-to-woofer crossover: 2.3 kHz (12 dB/octave slopes).
Cabinet Construction Technical Highlights:
• Acoustically transparent and FEA optimized grilles minimize diffraction.
• Chamfered front baffle and flush-mounted drivers reduce edge diffraction and improved
on-axis high frequency response.
• FEA-optimized cabinet and bracing eliminates resonances.
PRIME SPEAKER FEATURES & SPECIFICATIONS
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