LF Cast Chassis / Neo

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NTR08-2011D

NTR08-2011D
NTR08-2011D

  • Coated Kevlar-loaded cone for enhanced weather resistance
  • Vented cast aluminium heatsink
  • Full gap flux saturation for increased Bl and reduced distortion

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
203mm/8in
Power rating1
200Wrms
Continuous power rating2
400W
Nominal impedance
Sensitivity3
92dB
Frequency range
70-6,000Hz
Voice coil diameter
50mm/2in
Chassis type
Cast aluminium
Magnet type
Neodymium
Coil material
Round copper
Former material
Polyimide
Cone material
Kevlar loaded paper with weather-resistant coating
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
0.17m/6.69in
Fs
84.8Hz
Mms
24.91g/23.99oz
Qms
2.34
Qes
0.535
Mmd
23.39g/0.826oz
Qts
0.436
Re
5.79Ω
Vas
10.31lt/0.37ft3
BI
11.98Tm
Cms
0.14mm/N
Rms
5.66kg/s
Le (at 1kHz)
0.59mH

Mounting Information

Overall diameter
225mm/8.8in
Overall depth
100mm/4.16in
Cut-out diameter
187mm/7.4in
Mounting slot dimensions
ࡶ.5mm/0.26in
Number of mounting slots
8
Mounting slot PCD range
210mm/8.3in
Unit weight
1.52kg/3.44lb

Packed Dimensions & Weight

Single pack size W x D x H
235mm x 235mm x 140mm
/9.2in x 9.2in x 5.5in
Single pack weight
1.75kg/3.85lb
Multi pack size W x D x H
450mm x 380mm x 260mm
/17.7in x 15.0in x 10.2in
Multi pack weight
16kg/35.2lb