NTR08-2009D
- Coated Kevlar-loaded cone for enhanced weather resistance
- Vented magnet assembly for more efficient cooling
General Specifications
Nominal diameter203mm/8in
Power rating1………..200Wrms
Continuous power rating2……………..400W
Nominal impedance8Ω
Sensitivity2…………..94.5dB
Frequency range………….70-5,000Hz
Voice coil diameter…………….50mm/2in
Chassis type……………Cast aluminium
Magnet type……………….Neodymium
Coil material………….Edgewound copper
Former material……………..Glass fibre
Cone material…………..Kevlar loaded paper with weather-resistant coating
Surround material…………………Cloth-sealed
Suspension……….Single
Xmax4…………..4mm/016in
Gap depth……………..10mm/0.39in
Voice coil winding width………….18mm/0.67in
Small Signal Parameters4
SD……..0.17m/6.69in
Fs………….71.4Hz
Mms…………31.06g/1.1oz
Qms………..2.035
Qes…………..0.23
Mmd………….30.27g/1.07oz
Qts……………………0.211
Re…………………..5.5Ω
Vas…………..11.65lt/0.41ft3
BI……………18.03Tm
Cms……………0.16mm/N
Rms………………6.85kg/s
Le (at 1kHz)………………….0.48mH
Mounting Information
Overall diameter…………225mm/8.8in(octagonal profile)
Overall depth…………….100mm/4.16in
Cut-out diameter……………187mm/7.4in
.Mounting slot dimensions………5mm/0.26in
Number of mounting slots…………..8
Mounting slot PCD range………….210mm/8.3in
Unit weight………………2.8kg/6.16lb
Packed Dimensions & Weight
Multi pack size W x D x H…………..450mmx380mmx260mm
………………………………………………./17.7in x 15.0in x 10.2in
Multi pack weight………………………..24kg/52.8lb
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