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RCF MB12N251 neodymium mid-bass speaker

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Discontinued, this product can no longer be ordered.

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RCF MB12N251 neodymium mid-bass speaker
Product no: KO-MB12N251 Bax Music Warranty: This product comes with a 3-year warranty.

General

The MB12N251 is a 12-inch neodymium mid-bass driver with outstanding linearity, good efficiency and high power capacity. This unit offers high efficiency, a good frequency response, excellent heat dissipation and very low power compression. The MB12 N251 is well suited for use in compact two-way bass-reflex system, particularly in combination with -inch and 1.4-inch throat compression drivers.

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Specifications

Product features

Sensitivity	98 dB
Weight per speaker	3 kg
Installation depth	130 - 139 mm
Maximum frequency	1 - 4.9 kHz
Minimum frequency	40 - 49 Hz
Nominal impedance	8 ohms
Peak power in watts	500 - 749 watts
RMS capacity in watts	200 - 349 W
Type of speaker	subwoofer
Type of magnet	neodymium

Weight and dimensions including packaging

Weight (incl. packaging)	2,7 kg
Dimensions (incl. packaging)	36,0 x 36,0 x 20,0 cm

Product specifications

nominal diameter: 300 mm
nominal impedance: 8 ohms
program capability: 600 W AES
power capacity: 300 W AES
sensitivity: 98 dB
frequency range: 45 - 3,000 Hz
effective piston diameter: 260 mm
maximum excursion (peak to peak): 38 mm
minimum impedance: 6.4 Ohm
voice coil diameter: 64 mm
voice coil material: aluminium
voice coil winding depth: 14 mm
number of layers: 1
type of layer: outside
thickness of top plate: 9 mm
cone design: curved
resonance frequency: 50 Hz
DC resistance: 5.1 ohms
mechanical factor: 5.4
electrical factor: 0.36
total factor: 0.34
BL factor: 15 T • m
effective moving mass: 49 g
equivalent cas air load: 83 L
effective piston area: 0.053 m²
Max. linear excursion (mathematical): 4.8 mm
total diameter: 320 mm
depth: 130 mm
weight: 2.7 kg

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RCF Presents New Active TT25/TT22 PA Speakers

Tuesday 18 August 2015

The development team at RCF (Radio Cine Forniture) certainly hasn't been resting on its laurels. Since 1949, the Italian manufacturer has been treating us to high-grade audio systems, and from the looks of their new TT22-A II and TT25-A II speakers and TT25-CXA stage monitor, they're not about to quit any time soon.