Neue , unbenutzte Lautsprecherchassis zum Verkauf , Restbestand, leider ohne garantie mehr.
98 dB SPL 1W/ 1maverage sensitivity
75mm(3 in) Interleaved Sandwich Voice coil (ISV)
600Wprogrampower handling
High force neodymiummagnet assembly
Ideal forcompact high loading enclosures
General
Product type Cone driver
Brand Eighteen Sound
Reference 12ND730
Product code ALT120730WF08NA
Informations
Nominal impedance 8 ohm
Dimensional category 12.5 inch
Frequency coverage type Sub, Low, Midbass
Manufacturer sensitivity 98 dB
Calculated sensitivity 97.18 dB
Nominal power handling 400 W
Max power handling 600 W
Bandwidth 53÷5000 Hz
Fundamental parameters
Sd 5 cm²
Mms 55 gr
Cms 230 µm/N
Le 1.73 mH
Re 5.6 ohm
BL 19.2 T.m
Small signal parameters
Fs 45 Hz
Qes 0.24
Qms 5.13
Qts 0.23
Vas 90 L
Datas
Xmax ±6.5 mm
EBP 188 Hz
Fs / Qts 196 Hz
Vas * Qts² 4.77 L
Calculated efficiency 3.29 %
Weight ~3.8 kg
Dimensions
Voice coil diameter 3 inch
Outside diameter 315 mm
Baffle cutout diameter 282 mm
Depth 132 mm
Front thickness 11 mm
Depth after front 121 mm
Diamètre aimant (mm) 135.21 mm
Shape & Materials
Front chape Cylindrical
Magnet type Neodymium