18 Sound 12ND930 - Woofer 12” Neodymium Driver - 500W AES - 98dB@1W/1mt | 8 ohm

12” LF Neodymium Driver - 3” vc - 500W AES - 98dB@1W/1mt - ISV - SDR

Manual

Informations

• Nominal impedance 8 ohm
• Dimensional category 12.5 inch
• Frequency coverage type Low, Midbass, Midrange
• Manufacturer sensitivity 98 dB
• Calculated sensitivity 97.84 dB
• Nominal power handling 500 W
• Max power handling 800 W
• Bandwidth 46÷4500 Hz

Fundamental parameters

• Sd 531 cm²
• Mms 57 gr
• Cms 180 µm/N
• Le 1.65 mH
• Re 5.5 ohm
• BL 21.2 T.m

Small signal parameters

• Fs 50 Hz
• Qes 0.22
• Qms 5.64
• Qts 0.21
• Vas 70 L

Datas

• Xmax ±6.5 mm
• EBP 227 Hz
• Zmin 6.4 ohm
• Fs / Qts 238 Hz
• Vas * Qts² 3.09 L
• Calculated efficiency 3.82 %
• Weight ~4 kg

Dimensions

• Voice coil diameter 3 inch
• Outside diameter 315 mm
• Baffle cutout diameter 282 mm
• Depth 140 mm
• Front thickness 11 mm
• Depth after front 129 mm