4x 18 Sound 12MB700 High Output Mid-Bass Ferrit Transducer AES Power 450W 8-Ohm.

Item Description

18 Sound 12MB700 Very High Output Mid-Bass Ferrit Transducer AES Power 450W 8-Ohm

Key Features

  • 101,5 dB SPL 1W / 1m sensitivity
  • 75 mm (3 in) Interleaved Sandwich Voice coil (ISV)
  • 450 W AES power handling
  • Double Demodulating Rings (DDR) for lower distortion
  • Improved heat dissipation via unique basket design
  • Weather protected cone and plates for outdoor usage
  • Ideal for compact two way and multiway systems

Description

The 12MB700 is a very high sensitivity (101.5 dB 1W/1m) midbass driver with high power handling capabilities. The 12MB700 can be used as either a bass/mid driver in compact 2-way reflex enclosures or as a direct radiating or horn loaded, dedicated midrange driver, in multi-way touring and fixed installation concert and arena systems. Its curvilinear paper cone made from a special high strength wood pulp, has been designed to achieve the best possible linearity within its intended frequency range and to control bell-mode resonances around the cone circumference. The cone is carried by a multiroll suspension formed of a linen-like material, which is more resistant to aging and fatigue than traditional materials.

The 75 mm diameter state-of-the-art voice coil is similiar to those fitted to our top-of-the-range 18" and 15" models but it is wound with aluminum wire. It employs our Interleaved Sandwich Voice coil (ISV) technology in which a high strength fiberglas former carries windings on both the outer and inner surfaces to achieve a mass balanced coil. This results in an extremely linear motor assembly with a reduced tendency for eccentric behavior when driven hard. The excellent performance capabilities of this loudspeaker are further enhanced by the Double Demodulating Rings (DDR) designed to dramatically reduce the intermodulation and harmonic distortion and improve transient response.

The magnetic structure has been optimized using FEA CAD resource, maximizing the flux density in the voice coil gap. Voice coil cooling has been achieved by incorporating airways between the chassis back plate and the top plate of the magnet, allowing heated air from the voice coil and gap to be channeled away and dissipated by the chassis basket. Due to the increasing use of high power audio systems at outdoor events or in marine environments, the ability to perform properly under inclement weather conditions is a key feature in Eighteen Sound philosophy. Hence, an exclusive treatment has been applied to the cone giving it water repellent properties. In addition, another special treatment has been applied to the top and back plates making the transducer far more resistant to the corrosive effects of salts and oxidization.

General Specifications

Nominal Diameter
  • 300 mm (12 in)
Rated Impedance
  • 8 Ohm
AES Power
  • 450 W
Program Power
  • 600 W
Peak Power
  • 1200 W
Sensitivity
  • 101,5 dB
Frequency Range
  • 60 - 5000 Hz
Power Compression @-10dB
  • 0,4 dB
Power Compression @-3dB
  • 1,5 dB
Power Compression @Full Power
  • 2,8 dB
Max Recomm. Frequency
  • 4000 Hz
Recomm. Enclosure Volume
  • 10 - 80 lt. (0,3 - 2,83 cuft)
Minimum Impedance
  • 5,7 Ohm at 25°C
Max Peak To Peak Excursion
  • 22 mm (0,87 in)
Voice Coil Diameter
  • 75 mm (3 in)
Voice Coil winding material
  • aluminum
Suspension
  • M-roll, Polycotton
Cone
  • Curvilinear, Paper

Thiele Small Parameters

Fs
  • 49 Hz
Re
  • 5 Ohm
Sd
  • 0,0531 sq.mt. (82,31 sq.in.)
Qms
  • 4,7
Qes
  • 0,2
Qts
  • 0,19
Vas
  • 101 lt. (3,57 cuft)
Mms
  • 41 gr. (0,09 lb)101 lt. (3,57 cuft)
BL
  • 17,8 Tm
Linear Mathematical Xmax
  • ± 4,5 mm (± 0,18 in)
Le (1kHz)
  • 0,9 mH
Ref. Efficiency 1W@1m (half space)
  • 99,6 dB

Mounting information

Overall diameter
  • 315 mm (12,4 in)
N. of mounting holes and bolt
  • 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
  • 147,5 mm (5,82 in)
Flange and gasket thickness
  • 16,5 mm (0,65 in)
Net weight
  • 8 kg (17,66 lb)
Shipping weight
  • 9 kg (19,84 lb)
Packaging Dimensions
  • 332 x 332 x 184 mm (13,07 x 13,07 x 7,24 in)

About Us

About Us

VIP Pro Audio & DJ Equipment has been THE destination for DJ entertainment and lighting industry professionals for over 25 years, combining knowledge and experience with our highly specialized group of professionals to bring our loyal customer base the right, low-priced solution for every situation. From PA systems, turntables, and rack gear to cables, stands and subwoofers, VIP Pro Audio has all facets of the market covered!

State-of-the-art equipment and the creative expertise that comes with selling products specifically designed for our customers? sound and lighting needs, we at VIP Pro Audio are never satisfied with the norm. From DJs and producers to rental contractors and lighting designers, we strive to provide our clients with innovative design ideas and the highest quality components at a low, competitive price.

Payment

We Accept: PayPal, Visa, Master Card, Discover, e-Check, PayPal Credit

Sales Tax: 8.875% if shipped to NY

Sales tax will not be charged unless your order is being shipped or picked up in NY.

Ship To locations: The United States, Canada, Worldwide

Most items will be shipped within 24 hours of receiving payment

Shipping

Nearly every order received by 3PM Eastern ships the SAME DAY!FREE shipping to lower 48 states.

- Our central location reaches most states in 1-4 business days

- 99.95% warehouse accuracy

- Expedited shipping available

We are proud to provide some of the fastest turnaround times on eBay. We use FedEx or UPS for most items, and USPS for smaller items. Residents of Hawaii, Alaska, and Puerto Rico should contact us for a shipping quote.

Returns

    

Exchanges

You must e-mail us (vipproaudio@gmail.com) and receive return instructions if you receive a defective item
The item must be in the original packaging with all the accessories included.  We reserve the right to have the unit exchanged or repaired (up to manufacture).  Our warranty will not cover blown voice coils, or speakers with punctured surrounds.  This is considered physical damage and is not covered by a manufacturer warranty, or by our warranty.  No physical damage goods are warranted. DOA goods (physical) need to be claimed by shipping carrier.

Return for Refund


You must e-mail us vipproaudio@gmail.com and receive an RMA number, before returning. A 15% re-stocking fee will be applied in order to return an item for a refund.  Shipping costs are never refundable, Item must not be used, and must be returned in original packaging with all accessories, within 7 days of the time you receive the item. (Items sold with "free shipping promotions" will have the shipping cost deducted prior to the 15% restocking fee)

For all returns, customer is responsible to ship item back (unless it is VIP fault or error)

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- The Largest Selection Of Pro Audio, DJ & Lighting Equipment Unde One Roof.

- A Tradition Of Excellence Since 1988

- Celebrating 30 Years Of Commitment To Quality & Service.

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