18 Sound 15ND930 - Woofer 15” 4 Ohm - 500W AES - 98dB@1W/1mt

15” Extended LF Neodymium Driver - 3” vc - 500W AES - 98dB@1W/1mt - DDR

Manual

General

• Product type Cone driver
• Brand Eighteen Sound
• Reference 15ND930
• Product code ALT150930WF04NA - 022154N220

Informations

• Nominal impedance 4 ohm
• Dimensional category 15 inch
• Frequency coverage type Sub, Low, Midbass
• Manufacturer sensitivity 97 dB
• Calculated sensitivity 96.97 dB
• Nominal power handling 500 W
• Max power handling 800 W
• Bandwidth 40÷4100 Hz

Fundamental parameters

• Sd 850 cm²
• Mms 113 gr
• Cms 185 µm/N
• Le 0.52 mH
• Re 2.8 ohm
• BL 17 T.m

Small signal parameters

• Fs 35 Hz
• Qes 0.24
• Qms 7.1
• Qts 0.24
• Vas 182 L

Datas

• Xmax ±7.5 mm
• EBP 146 Hz
• Zmin 3.7 ohm
• Fs / Qts 146 Hz
• Vas * Qts² 10.49 L
• Calculated efficiency 3.13 %
• Weight ~4.1 kg

Dimensions

• Voice coil diameter 3 inch
• Outside diameter 387 mm
• Baffle cutout diameter 353 mm
• Depth 177 mm
• Front thickness 11 mm
• Depth after front 166 mm

Shape & Materials

• Front chape Cylindrical
• Magnet type Neodymium