Detail RCF LF18X400
Speaker RCF LF18X400 ini adalah sebuah speaker yang menghasilkan pergerakan baru di bagian karakter low. Kekuatan yang dihasilkan dari subwoofer low ini mempunyai kekuatan 3x lipat dibanding yang sebelumnya. Karakter lownya sangat sempurna & sangat panjang desis suaranya.
Subwoofer 18' RCF LF18X400, harga Rp. 6.000.000, -
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Spesifikasi :
FEATURES
4-inch, fiberglass inside/ outside copper voice coil
2000W continuous program power handling
97.5 dB Sensitivity
25 Hz – 1 kHz Frequency range
Progressive, spaced, aluminum demodulation rings
Forced air ventilation and 14 mm top plate for minimum power compression
Dual spider design with silicon based dampening control
Triple roll surround and corrugated straight cone geometry
GENERAL SPECIFICATIONS
Nominal Diameter: 460 / 18 mm/ inch
Rated Impedance: 8 ©
Program Power: 2000 W AES
Power handling capacity: 1000 W AES
Sensitivity: 97.5 dB
Frequency Range: 25 Hz ÷ 1000 Hz
Effective Piston Diameter: 395 / 15.6 mm/ inch
Max Excursion Before Damage ( peak to peak) : 50 / 2.0 mm/ inch
Minimum Impedance: 6.0 ©
Voice Coil Diameter: 100 / 4 mm/ inch
Voice Coil Material: Copper
Voice Coil Winding Depth: 25 / 1.0 mm/ inch
Number of layers: 2
Kind of layer: inside / outside
Top Plate Thickness: 14/ 0.55 mm/ inch
Cone Material: No pressed pulp
Cone Design: Straight
Surround Material: Polycotton
Surround Design: Triple roll
THIELE/ SMALL PARAMETERS
Resonance frequency: 28 Hz
DC resistance: 5.1©
Mechanical factor: 6.5
Electrical factor: 0.29
Total factor: 0.27
BL Factor: 25 T · m
Effective Moving Mass: 192 g
Equivalent Cas air load: 340 liters
Effettive piston area: 0.122 m²
Max. linear excursion ( mathematical) : 9.0 mm
Voice - coil inductance @ 1kHz: 2.3 mH
Half-space efficiency: 2.64%
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