Quick Overview Built for high impact and low distortion, the MB820-8 8” midbass is a great choice for use in dynamic, high output 2-way and 3-way designs. With a damped paper cone, treated cloth spider, and powerful ferrite motor these drivers will deliver incredible clarity and detail even when pushed to extreme SPL levels. Suitable for use in professional speakers, studio monitors, and even car audio systems, these are incredibly flexible mid-bass drivers. Product Highlights 94dB sensitivity and 200 watt continuous power handling allows incredible output 2” voice coil and 40 oz ferrite magnet with vented pole-piece Lightweight paper cone and cloth surround Wide 100Hz-7.5kHz usable frequency response Great for 2 or 3-way pro audio, car, or home hi-fi systems Excellent choice for use in musical instrument applications Product Manuals / Spec Sheets / Downloads Dayton Audio MB820-8 Specifications Dayton Audio MB820-8 Graphs/FRD/ZMA Data Files AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis Product Description Dayton Audio’s MB820-8 8” professional mid-bass driver is engineered to provide maximum impact output while keeping distortion to a minimum. This mid-bass uses a powerful, vented ferrite magnetic motor and lightweight paper cone with cloth surround to achieve high SPL and loads of clarity. While optimized for 2-way pro audio systems, this driver is versatile enough for car audio and home hi-fi mid-bass work, and even musical instrument applications, such as bass guitar and keyboard. The MB820-8 is an 8 ohm 8” with a 2” voice coil and a 40oz ferrite magnet design. It offers a lot of bang-for-the-buck at 94dB SPL and 200 watts of continuous power handling. The MB820-8 has a wide and smooth usable frequency response from 100Hz-7.5kHz. Product Details Speaker Series MB Series Model Number MB820-8 Color Black Unit of Measure Each UPC 848791008061 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 8.15 Speaker Type Midbass Power Handling (RMS) 200 watts Power Handling (max) 400 watts Continuous Program Power -- Impedance 8 ohms Sensitivity 94 dB @ 2.83V/1m Frequency Response 100 - 7,500 Hz Voice Coil Diameter 2" Magnet Weight 38 oz DC Resistance (Re) 5.26 ohms Voice Coil Inductance (Le) 1.04 mH @ 1 kHz Resonant Frequency (Fs) 69 Hz Mechanical Q (Qms) 3.83 Electromagnetic Q (Qes) 0.52 Total Q (Qts) 0.46 Diaphragm Mass Inc. Airload (Mms) 20.9g Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) 0.252 mm/N Surface Area Of Cone (Sd) 244.24 cm² Volume of Displacement (Vd) 84 cm³ BL Product (BL) 9.60 Tm Compliance Equivalent Volume (Vas) 15.77 liters Maximum Linear Excursion (Xmax) 4 mm Drivers Mechanical Losses (Rms) -- Cone / Diaphragm Material Paper Cone Entry / Exit Diameter -- Surround Material Cloth Voice Coil Wire Material CCA Voice Coil Former Basket/Frame Material Steel Magnet Material Ferrite Overall Outside Diameter 8.22" Overall Depth 3.6" Baffle Cutout Diameter 7.13" # Mounting Holes 8 Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight --