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NTR12-3018D

NTR12-3018D
NTR12-3018D

  • Vented cast aluminium heatsink
  • Compact, high flux, Dual Magnet Motor design

Frequency Response and Impedance Curves

Product Graph
  1. Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.
  2. Continuous Power Rating is defined as 3dB greater than the AES rating
  3. Measured on axis at 1W, 1m in 2Π anechoic environment.
  4. Xmax derived from: (voice coil winding width-gap depth)/2.
  5. Small signal parameters measured after unit subjected to pre-conditioning signal.

General Specifications

Nominal diameter
305mm/12in
Power rating1
350Wrms
Continuous power rating2
700W
Nominal impedance
Sensitivity3
98dB
Frequency range
50-4,000Hz
Voice coil diameter
75mm/3in
Chassis type
Cast aluminium
Magnet type
Neodymium
Coil material
Round copper
Former material
Glass fibre
Cone material
Kevlar loaded paper
Surround material
Cloth sealed
Suspension
Single
Xmax4
4mm/016in
Gap depth
8mm/0.32in
Voice coil winding width
16mm/0.63in

Small Signal Parameters4

D
0.26m/10.24in
Fs
58.8Hz
Mms
58.08g/2.05oz
Qms
3.391
Qes
0.325
Mmd
50.28g/1.78oz
Qts
0.296
Re
5.99Ω
Vas
50.39lt/1.78ft3
BI
19.9Tm
Cms
0.13mm/N
Rms
6.32kg/s
Le (at 1kHz)
0.8mH

Mounting Information

Overall diameter
318mm/12.5in
Overall depth
137mm/5.39in
Cut-out diameter
286mm/11.26in
Mounting slot dimensions
9.5mm x 6.5mm/0.37in x 0.26in
Number of mounting slots
8
Mounting slot PCD range
298-304mm/11.7-12.0in
Unit weight
2.6kg/5.7lb

Packed Dimensions & Weight

Single pack size W x D x H
350mm x 350mm x 185mm
/13.8in x 13.8in x 7.3in
Single pack weight
3kg/6.6lb
Multi pack size W x D x H
1080mm x 980mm x 880mm
/42.5in x 38.6in x 34.6in
Multi pack weight
178kg/392lb