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Говорител - 21" - 2000W RMS - 97dB - 28Hz-1kHz
FEATURES
4,5 - inch fiberglass Inside/Outside copper voice coil
4000 Watt continuous program power handling
97 dB Sensitivity
28 Hz - 1 kHz Frequency range
Dual-forced air ventilation for minimum power compression
Dual spider designed with silicon based damping control
BL of 30.5 Txm to provide a faster and accurate low frequency
GENERAL SPECIFICATIONS
Nominal Diameter:530 / 21 mm/inch
Rated Impedance:8 Ω
Program Power:4000 W AES
Power handling capacity:2000 W AES
Sensitivity:97 dB
Frequency Range:28 Hz ÷ 1000 Hz
Effective Piston Diameter:470 / 18.5 mm/inch
Max Excursion Before Damage (peak to peak):54 / 2.12 mm/inch
Minimum Impedance:6.7 Ω
Voice Coil Diameter:115 / 4.5 mm/inch
Voice Coil Material:Copper
Voice Coil Winding Depth:34 / 1.33 mm/inch
Number of layers:2
Kind of layer:inside / outside
Top Plate Thickness:15 / 0.6 mm/inch
Cone Material:No pressed pulp
Cone Design:Curved
Surround Material:Polycotton
Surround Design:Triple roll
THIELE/SMALL PARAMETERS
DC resistance:5.4Ω
Mechanical factor:6.9
Electrical factor:0.39
Total factor:0.37
BL Factor:30.5 T · m
Effective Moving Mass:355 g
Equivalent Cas air load:385 liters
Effettive piston area:0.173 m²
Max. linear excursion (mathematical):13.5 mm
Voice - coil inductance @ 1kHz:2.9 mH
Half-space efficiency:2.2%
MOUNTING INFORMATION
Overall Diameter:547 / 21.5 mm/inch
Bolt Circle Diameter:527 / 20.7 mm/inch
Bolt Hole Diameter:6.5 / 0.25 mm/inch
Front Mount Baffle Cut-out:512 / 20.1 mm/inch
Rear Mount Baffle Cut-out:512 / 20.1 mm/inch
Depth:230 / 9.05 mm/inch
Volume occupied by the driver:6.5 / 0.229 liters/ft³
Net Weight:15.5 / 34.0 kg/lbs
SHIPPING INFORMATION
Shipping weight:17.59 / 26.6 kg/lbs