B&C 12NDL76 - 12" 400W 4 Ohm Loudspeaker
- 800 W continuous program power capacity
- 76 mm (3 in) aluminium voice coil
- 50 - 2000 Hz response
- 100 dB sensitivity
- Neodymium magnet allows a very light yet powerful motor assembly
- Ventilated voice coil gap for reduced power compression
Specifications
- Nominal diameter 320 mm (12.0 in)
- Nominal impedance 4 ohms
- Nominal power handling 400 W
- Continuous power handling 800 W
- Sensitivity (1W/1m) 100.0 dB
- Frequency range 50 - 2000 Hz
- Voice coil diameter 76 mm (3.0 in)
- Winding material Aluminium
- Former material Glass Fibre
- Winding depth 19 mm (0.75 in)
- Magnetic gap depth 10 mm (0.4 in)
- Flux density 1.25 T
Design
- Surround shape Double Roll
- Cone shape Exponential
- Magnet material Neodymium Inside Slug
- Spider Single
- Pole design Straight Pole
- Woofer cone treatment: None
- Recommended enclosure 42.0 dm3 (1.48 ft3)
- Recommended tuning 65 Hz
Thiele and Small parameters: Need some help? Read our quick guide to TS Params.
- Fs 50 Hz
- Qes 0.21
- Qms 4.2
- Qts 0.2
- Vas 73.0 dm3 (2.5 ft3)
- Sd 522.0 cm2 (80.9 in2)
- Reference efficiency 4.3 %
- Xmax 6.5 mm
- Xvar 6.5 mm
- Mms 53 g
- Bl 20.1 Txm
- Le 1.0 mH
- EBP 238 Hz
Mounting and Shipping Info
- Overall diameter 315 mm (12.4 in)
- Bolt circle diameter 298 mm (11.7 in)
- Baffle cutout diameter 283.0 mm (11.1 in)
- Depth 141 mm (5.5 in)
- Flange and gasket thickness 14 mm (0.55 in)
- Air volume occupied by driver 2.5 dm3 (0.08 ft3)
- Net weight 3.9 kg (8.6 lb)
- Shipping units 1
- Shipping weight 4.5 kg (9.9 lb)
- Shipping box 340x340x170 mm (13.4x13.4x6.7 in)
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