18N850v²

18" Neodymium 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
  • Neodymium Magnet System
  • Double treated Cone for Water Protection
  • Triple Aluminum demodulating Rings for ultra low Distortion
  • Optimal for high Output Subwoofers
  • Leight Weight Carbon Fiber Diaphragm

Specification

18N850v² Specification

Application Infra-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

Recommended reflex enclosure:
140 L / 32 Hz, BRD = 200 mm / 502 mm long

Thiele-Small

18N850v² Thiele-Small Parameters

Resonance Frequency: Fs Hz 29.8
DC Resistance: Re Ohm 5
Mechanical Q Factor: Qms 7
Electrical Q Factor: Qes 0.35
Total Quality Factor: Qts 0.33
Equivalent Volume: Vas L 243
Moving Mass: Mms kg 0.240
Mechanical Complience: Cms mm / N 0.120
BL Factor: BL Tesla m 25.4
Effective Piston Area: Sd 0.1213
Max. linear Excursion: Xmax mm +/- 12
Voice Coil Inductance: Le1k mH 0.85
Le10k mH 0.49

Mounting & Drawing

Mounting & Drawing

18N850v² 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 237
Net Weight: kg 9.8

Curves

18N850v² Curves

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

Downloads

Downloads