Speaker Drivers · 18"
18X451-2
18" NEODYMIUM WOOFER · OPTIMISED MAGNET, FEA ANALYSED
18" · NEODYMIUM WOOFER
Key Specifications
Nominal Diameter
18"
Nominal Impedance
8 ohm
Program Power
1600 W
Sensitivity (1W/1m)
97 dB
Frequency Range
36 Hz - 2.0 kHz
Voice Coil Diameter
114.5 mm
- Klippel LA DPM measured T/S parameters.
- Program power defined as 3 dB greater than AES power.
Specifications
General Specifications
- Nominal Diameter
- 18"
- Nominal Impedance
- 8 ohm
- Program Power
- 1600 W
- Power Handling (AES)
- 800 W
- Sensitivity (1W/1m)
- 97 dB
- Frequency Range
- 36 Hz - 2.0 kHz
- Effective Diaphragm Diameter
- 400 mm
- Minimum Impedance
- 4.8 ohm
- Voice Coil Diameter
- 114.5 mm
- Voice Coil Material
- PISV
- VC Winding Depth
- 30 mm
- Number of Layers
- 2
- Kind of Layer
- out / in
- Top Plate Thickness
- 15 mm
- Magnet Size
- 253 x 30 mm
Mounting Information
- Overall Diameter
- 465 mm
- Bolt Circle Diameter
- 446 mm
- Bolt Hole Diameter
- 7.0 mm
- Mount Buffer Cut-out
- 422 mm
- Depth
- 215 mm
- Net Weight
- 16.15 kg
- Shipping Weight
- 18.40 kg (1 pc/ctn)
- Shipping Box
- 497 x 497 x 255 mm
Thiele-Small Parameters
- Fs (Resonance Frequency)
- 36 Hz
- Re (DC Resistance)
- 4.8 ohm
- Qms (Mechanical Factor)
- 17.16
- Qes (Electrical Factor)
- 0.395
- Qts (Total Factor)
- 0.386
- BL Factor
- 28.70 T.m
- Mms (Moving Mass)
- 255.78 g
- Vas (Equivalent Air Load)
- 128.91 liters
- Sd (Piston Area)
- 1194.59 cm2
- Xmax (Linear Excursion)
- 11.25 mm
- Half-space Efficiency
- 1.91 %
18X451-2 · Frequency Response · 1W / 1m
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