18 Sound 12ND730 8 ohms 12" Extended LF Neodymium Driver

98 dB SPL 1W / 1m average sensitivity
75 mm (3 in) Interleaved Sandwich Voice coil (ISV)
600W program power handling
High force neodymium magnet assembly
Ideal for compact high loading enclosures.
This speaker is used in the KV2 EX2 twin Subwoofer

Designed & manufactured in Italy and provided exclusively by Lean Business, this Eighteen Sound speaker comes complete wth 2 years warranty.

See specification tab for technical details or Click HERE for full details, response curves and Thiele & Small parameters. (opens in new window)

Model: 18 Sound 12ND730 16
note: Price includes VAT

GENERAL SPECIFICATIONS
Nominal Diameter 300 mm (12 in)
Rated Impedance 8 Ohm
AES Power 400W
Program Power 600W
Peak Power 1200W
Sensitivity 98dB
Frequency Range 53 ÷ 5000 Hz
Power Compression @-10dB 0,7 dB
Power Compression @-3dB 2,1 dB
Power Compression @Full Power 3,1 dB
Max Recomm. Frequency 1300 Hz
Recomm. Enclosure Volume 40 ÷ 100 lt. (1,41 ÷ 3,53 cuft)
Minimum Impedance 6,8 Ohm at 25°C
Max Peak To Peak Excursion 30 mm (1,18 in)
Voice Coil Diameter 75 mm (2,95 in)
Voice Coil Winding Material copper
Suspension Double roll, treated polycotton
Cone Curvilinear, treated paper

THIELE SMALL PARAMETERS
Fs 45 Hz
Re 5,6 Ohm
Sd 0,0531 sq.mt. (82,31 sq.in.)
Qms 5,13
Qes 0,24
Qts 0,23
Vas 90 lt. (3,18 cuft)
Mms 55 gr. (0,12 lb)
BL 19,2 Tm
Linear Mathematical Xmax ± 6,5 mm (± 0,26 in)
Le (1kHz) 1,73 mH
Ref. Efficiency 1W@1m (half space) 97,5 dB

MOUNTING INFORMATIONS
Overall diameter 315 mm (12,4 in)
N. of mounting holes 8
Mounting holes diameter 7,15 mm (0,28 in)
Bolt circle diameter 296-300 mm (11,65-11,8 in)
Front mount baffle cutout ø 282 mm (11,1 in)
Rear mount baffle cutout ø 282 mm (11,1 in)
Total depth 132,5 mm (5,23 in)
Flange and gasket thickness 11,5 mm (0,45 in)
Net weight 3,8 kg (8,38 lb)
Shipping weight 4,6 kg (10,12 lb)
CardBoard Packaging dimensions 332 x 332 x 184 mm(13,07 x 13,07 x 7,24 in)