RCF MB12N251 12" Neo Midbass Hoparlör, 300/600W, 2.5" Bobin, 45-3000 Hz

FEATURES

• 2.5-inch , fibreglass former, aluminum voice coil
• 600 Watt continuous program power handling
• 98 dB Sensitivity
• 45 Hz - 3.0 kHz Frequency range
• Forced air ventilation
• M-roll surround and exponential cone geometry

GENERAL SPECIFICATIONS

• Nominal Diameter:300 / 12 mm/inch
• Rated Impedance:8 Ω
• Program Power:600 W AES
• Power handling capacity:300 W AES
• Sensitivity:98 dB
• Frequency Range:45 Hz ÷ 3000 Hz
• Effective Piston Diameter:260 / 10.2 mm/inch
• Max Excursion Before Damage (peak to peak):38 / 1.49 mm/inch
• Minimum Impedance:6.4 Ω
• Voice Coil Diameter:64 / 2.51 mm/inch
• Voice Coil Material:Aluminum
• Voice Coil Winding Depth:14 / 0.55 mm/inch
• Number of layers:1
• Kind of layer:outside
• Top Plate Thickness:9 / 0.35 mm/inch
• Cone Material:No pressed pulp
• Cone Design:Curved
• Surround Material:Polycotton
• Surround Design:Triple-roll

THIELE/SMALL PARAMETERS

• Resonance frequency:50 Hz
• DC resistance:5.1Ω
• 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 liters
• Effettive piston area:0.053 m²
• Max. linear excursion (mathematical):4.8 mm
• Voice - coil inductance @ 1kHz:1.3 mH
• Half-space efficiency:2.70%

MOUNTING INFORMATION

• Overall Diameter:320 / 12.60 mm/inch
• Bolt Circle Diameter:294.5-304 / 11.6-11.9 mm/inch
• Bolt Hole Diameter:5.5 / 0.21 mm/inch
• Front Mount Baffle Cut-out:288 / 11.3 mm/inch
• Rear Mount Baffle Cut-out:288 / 11.3 mm/inch
• Depth:130 / 5.1 mm/inch
• Volume occupied by the driver:2.2 / 0.07 liters/ft³
• Net Weight:2.7 / 5.9 kg/lbs

SHIPPING INFORMATION

• Shipping weight:3.5 / 7.7 kg/lbs