Fane Imperium 18XL Fane Imperium 18XL
TFane Imperium 18XL TFane Imperium 18XL


Sub Bass Driver

Data Sheet
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  • 2600 W Program Power.
  • 96 dB Sensitivity (1W/1m).
  • Optimised, lightweight ferrite design, only weighs 13 kg.
  • New 18-inch optimised, cast aluminium chassis design.
  • Aluminium core heat sink and large motor venting provides reduced power compression and effective temperature regulation.
  • Powerful and accurate low frequency sound reproduction.
  • Peak to peak maximum excursion of 52mm.
  • Dual 'spaced' suspension system and advanced materials offers ultra-linearity, mechanical stability and superior acoustic performance at high levels of excursion.
  • Suitable for bass reflex or horn loaded designs.
  • 5-Inch Copper voice coil.

The Imperium® 18XL is an efficient high power handling driver specially designed to provide powerful and accurate bass with low distortion and low power compression. The driver exhibits smooth tonal character combined with a fast response time. The Imperium® 18XL utilises an optimised fibre loaded cone assembly controlled by a fully optimised multi roll surround. The units spaced dual suspension configuration ensures excellent control during large excursions. A fully optimised motor structure built around a high grade Y35 magnet ensures maximum flux yield from compact design and generates the minimum amount of flux modulation. The cast chassis base venting and large motor venting ensures efficient ventilation of the unit to keep power compression to a minimum. 

  • Please enquire about alternative impedances.
  • A.E.S. power handling test. Pink noise bandpass filtered at 12 dB per octave with cutoff frequencies of 35 Hz and 350Hz. Driver mounted in free air, test signal applied at rated power for two hours.
  • Please note that the frequency response measurements are supplied for comparison only and are not a measure of the low frequency performance which may be achieved in a fully optimised system.
Electro Acoustic Specifications
Nominal Chassis Diameter 18" / 457.2 mm
Impedance 8 Ω
Power Handling 1300 W (A.E.S.)
Peak Power (6dB Crest Factor) 5200 W (A.E.S.)
Usable Frequency Range (-6dB) 30Hz - 2 kHz
Sensitivity (1W - 1m) Wideband 96 dB
Moving Mass (inc. Air Load) 220 grams
Minimum Impedance (Zmin) 6.5 Ω
Effective Piston Diameter 15.68" / 398.27 mm
Magnet Weight 105.8 oz
Magnetic Gap Depth 0.35" / 9 mm
Flux Density 0.98 Tesla
Coil Winding Height 0.98" / 25 mm
Voice Coil Diameter 5.0" / 127 mm
Speaker Type Sub Bass Driver
Speaker Series The Professional Series
Program Power 2600 W
Sensitivity (1W / 1m) Working band
Thiele Small Parameters (TSPs)
FS 36 Hz
Re 5.9 Ω
QMS 11.1
QES 0.56
QTS 0.53
Vas 205 Litres
Vd 1.19 Litres
CMS 0.11 mm/N
BL 20.36 T/m
MMS 174 grams
Xmax 10.5 mm
Sd 1134 cm2
Efficiency 1.65%
Le 2.9 mH
EBP 64.29 Hz
Materials of Construction
Coil Former Material Glass Fibre
Voice Coil Material Copper
Magnet Material Ferrite
Chassis Material Die-cast Aluminium
Cone Material Paper
Surround / Edge Termination Polyvinyl Damped Multi Roll. Poly Cotton
Dust Dome Material Paper
Connectors Push-button Spring Terminals
Polarity Positive voltage at red terminal causes forward motion of cone
Mounting / Shipping Information
Overall Diameter 19.1" / 485 mm
Width Across Flats 18" / 457.2 mm
Flange Height 0.465" / 11.8 mm
Baffle Hole Diameter F/M 16.53" / 419.86 mm
Baffle Hole Diameter R/M 16.33" / 414.78 mm
Gasket Supplied Front
Outer Fixing Holes 8x ø 7 mm on 468 mm PCD
Inner Fixing Holes 8x ø 7 mm on 438.15 mm PCD
Depth 7.94" / 201.55 mm
Weight 28.85 lb / 13.09 Kg
Recommended Enclosure Volume 60 - 230 Litres
Shipping Weight 31 lb / 14.06 Kg
Packing Carton Dimensions (W) 495 (D) 495 (H) 255 mm
DescriptionSizeFormatGet File
Fane Imperium 18XL Datasheet0.14Mb.pdfDOWNLOAD
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