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DS18
D618 6.5” High-Sensitivity Midrange Loudspeaker Ferrite Magnet | 250W RMS 4-Ohm
$94.95
In Stock
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CODE: 6PRO500MR-4
Categories: all, Best Sellers!, Car Audio, Car Speakers
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D618 6.5” High-Sensitivity Midrange Loudspeaker Ferrite Magnet | 250W RMS 4-Ohm
Mid-Range Authority
The 6PRO500MR-4 is a 6.5” high-sensitivity professional mid-range engineered for serious output. With 250W RMS and 500W MAX power handling at 4 ohms, this speaker delivers aggressive, commanding mids that stay clear at extreme volume.
Power and Precision
Featuring a ferrite motor structure, the 6PRO500MR-4 achieves 103 dB sensitivity and a 100 Hz–12.5 kHz frequency response. Vocals and instruments project forward with intensity while maintaining tonal accuracy.
Built for Loud Systems
A 1.75” Kapton voice coil with CCAW winding improves thermal handling and efficiency. The integrated copper demodulating ring reduces distortion, keeping your mids clean and controlled even under heavy load.
Competition Ready
A steel basket provides structural rigidity while keeping weight down. The cloth surround ensures durability, making this mid-range ideal for daily drivers and high-output builds alike.
Engineered for Extreme Output
Designed for high-output applications, the 6PRO500MR-4 is built for enthusiasts who demand projection, efficiency, and reliability. Available in 6”, 8”, and 6x9” options to match your system’s needs.
General Specifications
Nominal Diameter: 6.5" (165 mm)
Nominal Impedance: 4 Ohms
RMS Power Handling: 250W
Max Power Handling: 500W
Sensitivity (1W/1M): 103 dB
Frequency Response: 100 Hz – 12.5 kHz
Recommended High-Pass Crossover: 140 Hz
Configuration: Sold Individually
Demodulating Rings: Copper Ring
Cone Shape: Curvilinear
Speaker Terminals: Push Type (16 AWG)
Motor & Construction
Voice Coil Diameter: 1.75" (44.5 mm)
Voice Coil Former Material: Kapton
Winding Material: CCAW (Copper-Clad Aluminum Wire)
Cone Material: Paper
Dust Cap Material: Paper
Surround Material: Cloth
Spider Diameter: 3.8" (96 mm)
Leads Connection Type: Spider Crossed
Basket Material: Steel
Basket Finish: Black
Magnet Material: Ferrite
Magnet Weight: 48 oz
Thiele & Small Parameters
Equivalent Volume (Vas): 7.25 L / 0.256 ft³
Excursion (Xmax, one way): 1.1 mm
Free Air Resonance (Fs): 130 Hz
Mechanical Q (Qms): 1.17
Electrical Q (Qes): 0.32
Total Q (Qts): 0.25
Mechanical Mass (Mms): 7.59 g
Mechanical Compliance (Cms): 0.19 mm/N
BL Factor: 7.95
Voice Coil Inductance (Le): 0.33 mH
Cone Area (Sd): 165.13 cm²
DC Resistance (Re): 3.2 Ohms
Measurements
Overall Diameter: 6.85" (174 mm)
Overall Depth: 3.6" (92 mm)
Front Mount Baffle Cutout: 5.9" (150 mm)
Mounting Depth: 3.36" (85 mm)
Motor Diameter: 5.5" (140 mm)
