18 Sound 15ND730 - Woofer 15” 8 Ohm - 400W AES - 99db@1W/1mt - ISV

15" LF Neodymium Driver - 3" vc - 400W AES - 99db@1W/1mt - ISV

Manual

General

• Product type Cone driver
• Brand Eighteen Sound
• Reference 15ND730
• Product code ALT150730WF08NB
• Informations
• Nominal impedance 8 ohm
• Dimensional category 15 inch
• Frequency coverage type Sub, Low, Midbass
• Manufacturer sensitivity 99 dB
• Calculated sensitivity 98.31 dB
• Nominal power handling 400 W
• Max power handling 600 W
• Bandwidth 44÷4000 Hz

Fundamental parameters

• Sd 900 cm²
• Mms 86 gr
• Cms 154 µm/N
• Le 1.35 mH
• Re 5.5 ohm
• BL 21 T.m

Small signal parameters

• Fs 44 Hz
• Qes 0.3
• Qms 8.1
• Qts 0.29
• Vas 156 L
• Datas
• Xmax ±6.5 mm
• EBP 147 Hz
• Fs / Qts 152 Hz
• Vas * Qts² 13.12 L
• Calculated efficiency 4.26 %
• Weight ~3.9 kg

Dimensions

• Voice coil diameter 3 inch
• Outside diameter 387 mm
• Baffle cutout diameter 353 mm
• Depth 169 mm
• Front thickness 11 mm
• Depth after front 158 mm

Shape & Materials

• Front chape Cylindrical
• Magnet type Neodymium