Haut-parleur B&C Speakers 10NDL64 8 ohms
[10NDL64-8] Avis/Critiques 
Key features
500 W continuous program power capacity
64 mm (2.5 in) aluminium voice coil
50 – 3000 Hz response
97 dB sensitivity
Neodymium magnet allows a very light yet powerful motor assembly
Ventilated voice coil gap for reduced power compression
Specification
Nominal Diameter 250 (10) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 7 Ohm
Nominal Power Handling (2) 250 W
Continuous Power Handling (3) 500 W
Sensitivity (1W/1m) (4) 97 dB
Frequency Range 50 - 3000 Hz
Voice Coil Diameter 64 (2.5) mm (in)
Winding Material Aluminium
Former Material Glass Fibre
Winding Depth 14 (0.55) mm (in)
Magnetic Gap Depth 8 (5/16) mm (in)
Flux Density 1.25 T
Thiele & Small Parameters
Fs 56 Hz
Re 5.7 Ohm
Qes 0.29
Qms 3.4
Qts 0.26
Vas 31 (1.1) dm3 (ft3)
Sd 320 (50) cm2 (in2)
Eta Zero 1.8 %
Xmax +/- 6 mm
Xvar +/- 7 mm
Mms 37 g
Bl 16.2 Txm
Le 0.9 mH
Mounting and Shipping Info
Overall Diameter 261 mm (10.3 in)
Bolt Circle Diameter 245 mm (9.6 in)
Baffle Cutout Diameter 230 mm (8.8 in)
Depth 113 mm (4.4 in)
Flange and Gasket Thickness 13 mm (0.5 in)
Net Weight 2.9 kg (6.4 lb)
Shipping Weight 3.5 kg (7.7 lb)
Shipping Box 330x330x160 mm (13x13x6.3 in)
1- For different impedances, please ask.
2- 2 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.
3- Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
4- Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms Nominal Impedance
Design
Surround Shape Double Roll
Cone Shape Exponential
Magnet type Neodymium Inside Slug
Spider Single
Ventilation V.C. Gap Yes
Pole Design Straight Pole
Waterproof TWP
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