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Oberton 18XB1500 - 18" 1500W 8 Ohm
The 18XB1500 ferrite bass loudspeaker is specially designed for horn applications to deliver very high impact bass response, with exceptional high power capacity. It incorporates an 4.5" sandwich voice coil, two double silicone spider assembly, paper cone with carbon fibers and die cast vented aluminium frame. Powerful, vented magnetic structure with double demodulating rings reduced power compression. The result is high efficient transducer for bass horn applications, with the ability to handle high excursion with low distortion and reduced thermal power compression.
Features:
- 115 mm (4.5") high temperature sandwich voice coil
- 3000 W AES program power
- Powerful, vented 245 mm magnet structure
- Double aluminium demodulating ring for lower distortion and improved heat dissipation
- Two double silicone spider assembly for improved excursion control and linearity
- Water protected cone with carbon fibers
This product has been discontinued - please do not try to order this item we will not be able to supply it - the product details are here for reference only. Please contact a member of staff, and we may be able to find an equivalent product for you.
Specifications
- Nominal Diameter - 18"/461 inch/mm
- Impedance - 8 Ohm
- Minimum Impedance - 6.18 Ohm
- Power Capacity AES ¹ - 1500 W
- Program Power ² - 3000 W
- Sensitivity - depends on the horn
- Frequency Range - 30 - 1000 Hz
- Voice Coil Diameter - 115 mm (4.5")
- Voice Coil Material - Copper
- Voice Coil Former - Glassfiber
- Voice Coil Winding Depth - 29 mm
- Magnet Gap Depth - 14 mm
- Cone Material - paper with carbon fibers
- Basket - Die cast aluminium
- Magnet - Ferrite
- Flux Density - 1.10 T
Thiele-Small Parameters
- Resonance Frequency - 35.80 Hz
- Mechanical Efficiency Factor (Qms) - 10.52
- Electrical Efficiency Factor (Qes) - 0.229
- Total Q (Qts) - 0.225
- Equivalent Air Volume (Vas ) - 192.5 Litres
- Diaphragm mass ind. airload (Mms) - 212 grams
- Voice Coil Resistance Re - 5.28 Ohms
- Effective Diagram Area (Sd) - 1158 cm2
- Peak Linear Displacement of Diaphragm (Xmax)* - 11 mm
- Mechanical Compliance of Suspension (Cms) - 0.112 mm/N
- BL Product (BL) - 31.58 T.m
- V.C. Inductance at 1 kHz (Le) - 1.53 mH
Mounting Information
- Overall Diameter - 461 mm
- Baffle Hole Diameter - 416 mm
- Number of Mounting Holes - 8 eliptic 7 x 8,5 mm
- Bolt Circle Diameter - 438/441 mm
- Overall Depth - 207 mm
- Net Weight - 16.8 kg
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