B&C Speakers 15NDL88 - Woofer 15" 4 ohm

Manual 

1400 W continuous program power capacity

88 mm (3.5 in) aluminium voice coil

45 - 3000 Hz response

99 dB sensitivity

Neodymium magnet allows a very light yet powerful motor assembly

Double silicone spider with optimized compliance

Aluminum demodulating ring allows a very low distortion figure

General

• Product type Cone driver
• Brand B&C Speakers
• Reference 15NDL88
• Product code ALT15NDL884

Informations

• Nominal impedance 4 ohm
• Dimensional category 15.5 inch
• Frequency coverage type Sub, Low, Midbass
• Manufacturer sensitivity 99 dB
• Calculated sensitivity 97.48 dB
• Nominal power handling 700 W
• Bandwidth 45÷3000 Hz

Fundamental parameters

• Sd 855 cm²
• Mms 102 gr
• Le 0.9 mH
• Re 3 ohm
• BL 16.5 T.m

Small signal parameters

• Fs 41 Hz
• Qes 0.29
• Qms 7.5
• Qts 0.28
• Vas 154 L
• Datas
• Xmax ±8 mm
• Calculated Xmax ±9.0833 mm
• EBP 141 Hz
• Zmin 3.7 ohm
• Fs / Qts 146 Hz
• Vas * Qts² 12.08 L
• Efficiency 3.5 %
• Calculated efficiency 3.52 %
• Weight ~5.9 kg
• Demodulation ring Yes
• Recommended load volume 125 L
• Fréquence d'accord liée à la charge 45 Hz

Dimensions

• Voice coil diameter 3.5 inch
• Winding depth 21.5 mm
• Gap height 10 mm
• Outside diameter 393 mm
• Baffle cutout diameter 353 mm
• Front thickness 13.2 mm
• Depth after front 163.8 mm
• Diamètre aimant (mm) 126 mm
• Shape & Materials
• Front chape Cylindrical
• Magnet type Neodymium
• Basket masterial Aluminium
• Winding material Aluminium
• Voice coil former Glass fiber