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Eminence SIGMA PRO-18A 8 Ohm

Produktinformationen "Eminence SIGMA PRO-18A 8 Ohm"

Beschreibung Eminence SIGMA PRO-18A 8 Ohm

SIGMA PRO-18A - empfohlen für professionelles Audio als Subwoofer in Bassreflexgehäusen.


SPECIFICATION SIGMA PRO-18A
Nominal Basket Diameter 18", 457 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power

1300 W

Watts 650 W
Resonance 28 Hz
Usable Frequency Range 41 Hz - 2.4 kHz
Sensitivity* 99 dB
Magnet Weight 120 oz.
Gap Height 0.375", 9.5 mm
Voice Coil Diameter 3", 76 mm

THIELE & SMALL PARAMETERS SIGMA PRO-18A

Resonant Frequency (fs) 28 Hz
DC Resistance (Re) 6.29 Ω
Coil Inductance (Le) 1.9m H
Mechanical Q (Qms) 8.28
Electromagnetic Q (Qes) 0.3
Total Q (Qts) 0.29
Compliance Equivalent Volume (Vas) 441.2 liters / 15.58 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 695 cc
Mechanical Compliance of Suspension (Cms) 0.24 mm/N
BL Product (BL) 22.1 T-M
Diaphragm Mass Inc. Airload (MMs) 130 grams
Efficiency Bandwidth Product (EBP) 93
Maximum Linear Excursion (Xmax) 6.1 mm
Surface Area of Cone (Sd) 1140 cm2
Maximum Mechanical Limit (Xlim) 18 mm
MOUNTING INFORMATION SIGMA PRO-18A
Recommended Enclosure Volume
Sealed N/a
Vented 93-212 liters / 3.3-7.5 cu.ft.
Driver Volume Displaced 0.234 cu.ft. / 6.62 liters
Overall Diameter 18", 457.2 mm
Baffle Hole Diameter 16.56", 420.6 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.28", 7.1mm
Mounting Holes B.C.D. 17.25", 438.2mm
Depth 8.15", 207 mm
Net Weight 24.5 lbs, 11.11 kg
Shipping Weight 28.1 lbs, 12.75 kgs
MATERIALS OF CONSTRUCTION SIGMA PRO-18A
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
   
Basket Materials Die-cast aluminum basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap


Eminence SIGMA PRO-18A


DATENBLATT

 

Coaxial: NEIN
Größe: 18"
Impedanz: 8 Ohm
Magnet: Ferrit
Qts: 0,26 - 0,30
Sperrgut: NEIN
X-MAX: 5,1 - 10,0 mm

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