Model 8A50-T870-S features an 8-inch 50W coaxial driver, the flagship of Lowell's A-Series with greater power handling, lower distortion, and smoother musical sound than standard commercial drivers and is ideally suited to venues where listening is a key part of customer experience. This model includes a mounted 70V 8W transformer positioned for shallow installation. Order grille and enclosure separately.

• Driver: 8 in. 50W coaxial with 20 oz. LF magnet coupled with 1.4 in. copper voice coil drive a polypropylene cone with half-roll rubber surround for long cone travel and good edge damping. Post-mounted tweeter (1 in. balanced-drive dome) protected by Ferrofluid and first-order high-pass filter.
• Frame:  20-gauge stamped steel with black enamel finish and zinc-plated back-plate
• Mounting Bolt Circle:  7.625 in.
• Transformer:  70V (1, 2, 4, 8W), shallow mount
• Assembly Frequency Response:  40Hz-19.0kHz (±6dB) and 40Hz-20kHz (±7.0dB)
• Assembly Mounting Depth:  4.10 in.
• Assembly Dispersion Angle:  90 degrees conical
• Assembly Average Sensitivity:  90.6dB