B&C Speakers 15NDL88 - Woofer 15" 8 ohm

Manual 

General

• Product type Cone driver
• Brand B&C Speakers
• Reference 15NDL88
• Product code ALT15NDL888

Informations

• Nominal impedance 8 ohm
• Dimensional category 15.5 inch
• Frequency coverage type Sub, Low, Midbass
• Manufacturer sensitivity 99 dB
• Calculated sensitivity 96.88 dB
• Nominal power handling 700 W
• Bandwidth 45÷3000 Hz
• Fundamental parameters
• Sd 855 cm²
• Mms 102 gr
• Le 1.25 mH
• Re 5 ohm
• BL 20.1 T.m

Small signal parameters

• Fs 45 Hz
• Qes 0.36
• Qms 6.1
• Qts 0.34
• Vas 126 L
• Datas
• Xmax ±8 mm
• Calculated Xmax ±8.8333 mm
• EBP 125 Hz
• Zmin 6 ohm
• Fs / Qts 132 Hz
• Vas * Qts² 14.57 L
• Efficiency 3.1 %
• Calculated efficiency 3.07 %
• 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 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