18 Sound 15NLW4500 - Woofer 15” 4 Ohm - 1500W AES - 96.5dB@1W/1mt

15" Extended LF Neodymium Driver - 4.5" vc - 1500W AES - 96.5dB@1W/1mt - ISV - SDR

Manual

General

• Product type Cone driver
• Brand Eighteen Sound
• Reference 15NLW4500
• Product code ALT154500WF04NB

Informations

• Nominal impedance 4 ohm
• Dimensional category 15.5 inch
• Frequency coverage type Sub, Low, Midbass
• Manufacturer sensitivity 96.6 dB
• Calculated sensitivity 95.95 dB
• Nominal power handling 1500 W
• Max power handling 3000 W
• Bandwidth 40÷1000 Hz

Fundamental parameters

• Sd 881 cm²
• Mms 198 gr
• Cms 106 µm/N
• Le 1.1 mH
• Re 3 ohm
• BL 24.4 T.m

Small signal parameters

• Fs 35 Hz
• Qes 0.21
• Qms 6.38
• Qts 0.2
• Vas 126 L

Datas

• Xmax ±14.5 mm
• EBP 167 Hz
• Zmin 3.7 ohm
• Fs / Qts 175 Hz
• Vas * Qts² 5.04 L
• Efficiency 2.13 %
• Calculated efficiency 2.47 %
• Weight ~11.4 kg
• Demodulation ring Yes

Dimensions

• Voice coil diameter 4.53 inch
• Outside diameter 393 mm
• Baffle cutout diameter 356 mm
• Depth 199 mm
• Front thickness 15 mm
• Depth after front 184 mm

Shape & Materials

• Front chape Cylindrical
• Magnet type Neodymium
• Basket masterial Aluminium
• Surround shape Triple roll
• Surround material Cloth