Description The MR SLIM series was designed as PRO Audio On Wheels solution for shallow doors, featuring an Aluminum Phase Plug (Bullet). This mid is built like a professional mid range loudspeaker, but it has been designed for use in the mobile audio market, as we called it Pro Audio On Wheels®! By combining elements from PRO Audio and Car Audio we have developed a NEW type of high efficient mid range that is able to give high levels of output from stock speaker location in your car. Highlights Slim Design – Perfect for door stock location Sound Quality without Cutting up interior Panels Endurance at Loudest Volumes Vented Air pole piece for heat dissipation Center phase plug for even sound distribution 4 Ohms Impedance Also available in 8″- 8MR400B-4 SLIM The “bullet” phase plug is made from pure aluminum acting as a radiator cooling system for the voice coil and machined to perfection for even sound dissipation. Beyond good looks, this cone is extremely light, providing excellent damping to keep an incredibly natural yet accurate sound. Also featuring a cloth M-roll surround helping resonance to be kept under control making for an easy transition to a super tweeter. The suspension design of this mid range features the single layer spider – which connects to the coil former with premium stitched lead wires, all being driven by a copper-clad aluminum wire voice coil providing high efficiency and excellent power handling. You can expect outstanding sound stage quality and realistic sound reproduction for a great value. Built for compact spaces and able to handle 250 watts of continuous power. Its slim design makes this the perfect car audio door speaker, allowing it to be utilized in endless ways. Loud and clear vocals all within 2.14″ of mounting depth without sacrifice quality and performance. GENERAL SPECIFICATIONS Nominal Diameter 6″ (152 mm) Nominal impedance 4 Ohms Rated AES Power Handling (RMS) 125 Watts Program Power 250 Watts Sensitivity 2.83V at 1m 93.5 dB Recommended Hi Pass Crossover** **For Full Power Handling 145 Hz** **12db Per Octave Crossover Frequency Response at -10dB 145 – 8,000 Hz Voice Coil Diameter 1.5″ (38 mm) Voice Coil Wire CCAW Voice Coil Winding Depth 9.5 mm Former Material Kapton Magnetic Gap Depth 6.0 mm Frame Material Stamped Steel THIELE-SMALL PARAMETERS Equivalent Volume Vas 4.0 l Excursion (mathematical)*** Xmax 3.25 mm Free Air Resonance Fs 142.9 Hz Mechanical Factor Qms 28.73 Electrical Factor Qes 0.85 Total Factor Qts 0.82 Cone Area Sd 143 cm² Mechanical Mass Mms 8.89 g Bl Factor Bl 5.82 Tm Dc Resistance Re 3.6 Ohms Inductance Le 0.135 mH at 1 kHz Mechanical Mass Without Air Mmd 7.92 g Mechanical Compliance Cms 0.139 mm/N ***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2 Mgnetic Gap Depth/4 EXTRA INFO Overall Diameter 6.50″ (165 mm) Front Mount Baffle Cutout 5.67″ (144 mm) Mounting Depth 2.14″ (54.5 mm) Overall Depth 2.38″ (60.5 mm) Net Weight 3.53 Lbs (1.60 kg) unit Shipping Weight 3.96 Lbs (1.80 kg) Carton Dimensions W x L x H 6.89″ x 6.89″ x 2.95″ (175 x 175 x 75 mm)
