RCF High Efficiency 400 Watt Midrange Speaker - MR8N301

Overview

The MR8N301 is a high efficiency, high power midrange specially designed to provide superior sound pressure level in a very compact size. The total weight is reduced to less than half of a comparable ceramic midrange thanks to an incredibly powerful neodymium magnet assembly. The unique sealed basket design doesn't require a back sealing chamber, simplifying the cabinet design and improving heat dissipation. Every detail of this speaker has been optimized to offer the best response and perfect control to the midrange frequencies.

Features

• 3-inch, finside/outside copper voice coil


• 400W continuous program power handling


• 107 dB Sensitivity in horn loaded application


• 300 Hz – 3 kHz Frequency range


• High BL neodymium design


• Unique aluminum sealed basket featuring vented fin heat dissipation design


• Calibrated back volume for a perfect time domain transient reproduction

Specifications

• NOMINAL DIAMETER: 8 inch / 203 mm


• RATED IMPEDANCE: 8 ohm


• PROGRAM POWER: 400 W


• POWER HANDLING CAPACITY: 200 W


• SENSITIVITY: 102.0 dB


• FREQUENCY RANGE: 300 - 3000 Hz


• EFFECTIVE PISTON DIAMETER: 168 mm / 6.61 inch


• MAX. EXCURSION BEFORE DAMAGE: 15 mm / 0.59 inch


• MINIMIM IMPEDANCE: 9.8 ohm


• VOICE COIL DIAMETER: 3.0 inch / 76 mm


• VOICE COIL WINDING MATERIAL: Aluminium


• VOICE COIL LENGTH: 11 mm / 0.43 inch


• NUMBER OF LAYERS: 2


• KIND OF LAYERS: inside/outside


• TOP PLATE THICKNESS: 8 mm / 0.31 inch


• CONE DESIGN: Curved


• SURROUND MATERIAL: Polycotton


• SURROUND DESIGN: Triple roll


• MAGNETS: Neodymium


• SPIDER: Single

Thiele - small parameters

• RESONANCE FREQUENCY (FS): 310 Hz


• DC RESISTANCE (RE): 6.60 ohm


• MECHANICAL FACTOR: 3.45 Qms


• ELECTRICAL FACTOR (QES): 0.41 Qes


• TOTAL FACTOR: 0.37 Qts


• BL FACTOR (BL): 17.80 T x m


• EFFECTIVE MOVING MASS (MMS): 10.0 g


• EQUIVALENT CAS AIR LOADED (VAS): 2.0 liters


• EFFETTIVE PISTON AREA (SD): 0.020 m2


• MAX. LINEAR EXCURSION (XMAX): 4.0 mm


• VOICE COIL INDUCTANCE @ 1KHZ (LE1K): 1.16 mH


• HALF-SPACE EFFICENCY (EFF): 12.80%

Mounting Information

• OVERALL DIAMETER: 238 mm / 9.37 inches


• BOLT CIRCLE DIAMETER: 220 mm / 8.66 inch


• BOLT HOLE DIAMETER: 7 mm / 0.28 inch


• FRONT MOUNT BAFFLE CUT-OUT: 202 mm / 7.95 inch


• REAR MOUNT BAFFLE CUT-OUT: 187 mm / 7.36 inch


• VOLUME OCCUPIED BY THE DRIVER:2 liters / 0.08 ft3

Standard compliance

CE MARKING:

Yes

Size

WEIGHT:

3.31 kg / 7.3 lbs

HEIGHT:

111 mm / 4.37 inches

DIAMETER:

208 mm / 8.19 inches

Shipping informations

PACKAGE WIDTH:

240 mm / 9.45 inches

PACKAGE WEIGHT:

3.77 kg / 8.31 lbs

PACKAGE HEIGHT:

150 mm / 5.91 inches

PACKAGE DEPTH:

240 mm / 9.45 inches

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