18S450

18" Ultra low Distortion Woofer

  • 95 dB Sensitivity 1 W / 1 m
  • 1.200 W Power Handling
  • 4″ Copper Sandwich Voice Coil for low Power Compression
  • Double treated Cone for Water Protection
  • Triple Aluminum demodulating Rings for ultra low Distortion
  • Optimal for high output Subwoofers

Specification

18450 Specification

Application Subwoofer
Nominal Impendance: Ohm 8
Power handling AES noise: W 1200
Sensitivity (1 W / 1 m): dB 95
Frequency response: Hz 20 – 200
Voice Coil Diameter: mm 101.6 (4″)
Voice Coil Material: Cu
Voice Coil Winding Depth: mm 36
Magnet Gap Depth: mm 12
Basket: Cast Aluminum
Effect. diaphragm diameter D mm 393

Thiele-Small

18S450 Thiele-Small Parameters

Resonance Frequency: Fs Hz 29
DC Resistance: Re Ohm 5.5
Mechanical Q Factor: Qms 7.25
Electrical Q Factor: Qes 0.32
Total Quality Factor: Qts 0.31
Equivalent Volume: Vas L 281
Moving Mass: Mms kg 0.224
Mechanical Complience: Cms mm / N 0.134
BL Factor: BL Tesla m 26.5
Effective Piston Area: Sd 0.1213
Max. linear Excursion: Xmax mm +/- 12
Voice Coil Inductance: Le1k mH 1.1
Le10k mH 0.58

Mounting & Drawing

18S450 Drawing

18S450 Mounting Information

Overall Diameter: mm 458
Mounting Holes Diameter: mm 8 x 8.5
Bolt Circle Diameter: mm 440
Baffle cut-out Diameter: mm 414
Overall depth: mm 233
Net Weight: kg 14.5

Curves

18S450 Curves

Frequency Response measured 1000 W (89.4 V)
at 1 m in a vented enclosure of 170 liter tuned 32 Hz incl. 2nd and 3rd harmonic distortion raised 10 dB.


Downloads

Downloads