18N860

18" Neodymium Ultra low Distortion Woofer

  • 95 dB Sensitivity 1 W / 1 m
  • 1500 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

Specification

18N860 Specification

Application Infra-Subwoofer
Nominal Impendance: Ohm 8
Power handling AES noise: W 1500
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 50
Magnet Gap Depth: mm 12
Basket: Aluminum
Effect. diaphragm diameter D mm 393

Recommended reflex enclosure:
200 L / 26 Hz, BRD = 200 mm / 540 mm long
Closed enclosure 100 L, -3 dB = 50Hz

Thiele-Small

18N860 Thiele-Small Parameters

Resonance Frequency: Fs Hz 24.85
DC Resistance: Re Ohm 5.7
Mechanical Q Factor: Qms 5.33
Electrical Q Factor: Qes 0.4
Total Quality Factor: Qts 0.37
Equivalent Volume: Vas L 304
Moving Mass: Mms kg 0.277
Mechanical Complience: Cms mm / N 0.148
BL Factor: BL Tesla m 24.93
Effective Piston Area: Sd 0.1213
Max. linear Excursion: Xmax mm +/- 19
Voice Coil Inductance: Le1k mH 0.81
Le10k mH 0.5

Mounting & Drawing

18N860 Drawing

18N860 Mounting Information

Overall Diameter: mm 458
Mounting Holes Diameter: mm 8 x 8.5
Bolt Circle Diameter: mm 440
Baffle cut-out Diameter: mm 412
Overall depth: mm 250
Net Weight: kg 10.5

Curves

18N860 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.