GJ18Neodymium woofer for pro line array speaker 

GJ18 18'' LF High Quality Neodymium Woofer

The GJ18 Differential Drive 18" speaker is the driver of choice for premium, high quality professional subwoofer systems.
 
Highlights
  • Tour-class woofer with patented motor design
  • Better heat dissipation increases power handling, reduces power compression
  • Reduced inductance extends upper response
  • Lightweight, compact neodymium magnet system
  • Push-pull operation lowers distortion
  • Magnetically shielded for use anywhere

Suitable for the following model professional speaker:
1. SRX subwoofer
2. SRX high power subwoofer/Bass
3. VRX subwoofer/ Bass
4. SRX

Other size dual voice coil speaker , neodymium speakers also providing:
GJ12 (12 inch) neodymium woofer
GJ15 (15 in)  neodymium woofer

GJ18 PRODUCT SPECIFICATIONS
Power Handling (RMS)     800 Watts 
Power Handling (max)     1,600 Watts 
Impedance     8 ohms 
Sensitivity     96 dB 1W/1m 
Voice Coil Diameter     3" 
  
THIELE-SMALL PARAMETERS
Resonant Frequency (Fs)     33 Hz 
DC Resistance (Re)     5.3 ohms 
Voice Coil Inductance (Le)     1.85 mH 
Mechanical Q (Qms)     3.80 
Electromagnetic Q (Qes)     0.39 
Total Q (Qts)     0.36 
Compliance Equivalent Volume (Vas)     11.58 ft.³ 
Maximum Linear Excursion (Xmax)     8 mm 
  
MATERIALS OF CONSTRUCTION
Cone Material     Paper 
Magnet Material     Neodymium 
  
MOUNTING INFORMATION
Overall Outside Diameter     18.125" 
Baffle Cutout Diameter     16.625" 
Depth     8.875" 
# Mounting Holes     
 
Features of our 2268HPL woofer:

1.Neodymium magnet 
2.Dual voice coil
3.Differential drive
4.Strong dynamic sense
5.Pure aluminum frame
6.Light weight