Eighteensound 12MB1000 12inch Lautsprecher Chassis 8 Ohm

Eighteensound 12MB1000 12inch Lautsprecher Chassis 8 Ohm

ES12MB1000

• 102 dB SPL 1W / 1m average sensitivity
• 100 mm (4 in) Interleaved Sandwich ISV copper voice coil
• 600 W AES power handling
• Excellent transient response
• Very low power compression
• Improved heat dissipation via unique basket design
• Ideal for direct radiating or horn loaded midbass systems

The 12MB1000 is a very high performance 12" midbass driver. It offers high power handlingcapability with exceptional sensitivity over the midbass frequency range. It can be used witheither direct radiating or horn loaded applications, as well as part of a 2 or 3-way system. It isideally used in stage monitor, auditorium, touring and outdoor systems. The smooth curvilinearpaper cone has a special high strength wood pulp composition designed to achieve the bestpossible linearity within the middle frequency range and to control bell-mode resonancesaround the cone. The cone is carried by a double half-roll suspension, which is more resistant toaging and fatigue than traditional materials, and provides the correct dampening and excursioncontrol. The state-of-the-art voice coil employs our Interleaved Sandwich Voice coil (ISV)technology, in which a high strength fiberglas former carries windings on both the outer andinner surfaces. By mean of a balanced coil with uniform distribution of mass and motive energy,this technology assures an extremely linear motor assembly. The voice coil cooling has beenachieved by incorporating airways between the chassis back plate and the top plate of themagnet which allow heated air from the voice coil and gap to be channeled away and dissipatedby the chassis basket. This technology is the result of a meticulous design exercise using asophisticated in-house 3D CAD facility. The magnetic structure has also been optimized usingour in-house FEA CAD resource to maximize flux density in the voice coil gap. Eighteen SoundR&D has developed a special cone treatment specifically dedicated to improve the dampeningproperties of the moving assembly, thus considerably improving the transient response control.This treatment also gives water repellent properties to the cone, enabling the 12MB1000 to beused in humid environments without damage.

Nominal Impedance	8 Ohm
Minimum Impedance	7,2 Ohm
Nominal Power Handling1	600 W
Continuous Power Handling2	800 W
Sensitivity3	102,0 dB
Frequency Range	80 - 3500 Hz
Voice Coil Diameter	100 mm
Recommended Enclosure	30,0 dm3
Recommended Tuning	65 Hz
Resonance Frequency	54 Hz
Re	5,8 Ohm
Qes	0,2
Qms	6,0
Qts	0,18
Vas	60,0 dm3
Sd	531,0 cm2
Xmax	2,5 mm
Mms	55,5 g
Bl	23,5 Txm
Le	1,46 mH
EBP	270 Hz
Overall Diameter	315 mm
Bolt Circle Diameter	298 mm
Baffle Cutout Diameter	282,0 mm
Depth	118 mm
Flange and Gasket Thickness	16 mm
Net Weight	9,6 kg
Shipping Weight	10,3 kg