Lowell 8C10MRB-T72
8" Moisture Resistant Loudspeaker with Dual Voltage Transformer


The Lowell 8C10MRB-T72 is designed for utility paging and low level background music systems that may be subject to high humidity, including indoor areas and outdoor areas that are protected from direct exposure to rain, snow, sun and similar environmental elements. It’s ideal for use in greenhouses, locker rooms, hot tub areas, outdoor restaurants and cafes, and similar venues. The speaker features a wired transformer with taps for .25, .5, 1, 2 and 5 Watts at 25/70V and mounts to a standard 8-inch (203mm) grille and backbox. It can be teamed with Lowell's tamper-resistant grille model SG-8VP and surface-mount backbox model CB84-SGVP or a recessed backbox from the P68X Series.

Lowell 8C10MRB-T72 Features:

  • 8" (203mm) single cone driver with 10 oz. (283.4 g) magnet and 1-in. (25.4mm) voice coil
  • Cotton cloth cone treated with phenolic resin and coated with acrylic lacquer for moisture-resistant performance
  • Stamped 20-gauge steel basket with zinc-plated finish to prevent rust and corrosion. Punched holes accommodate transformer
  • Standard E.I.A. mounting pattern
  • Transformer with taps for .25, .5, 1, 2 and 5 Watts at 25/70V

Lowell 8C10MRB-T72 Specifications:

  • Performance:
    • Power Handling:  15 watts RMS (nominal) measured per EIA Standard RS-426B
    • Sensitivity:
      • 95.7dB Average SPL (measured 2.83V @ 1m)
      • 107.5 dB Maximum SPL (calculated based on power rating and measured sensitivity).
    • Impedance:  8 ohms nominal; 8 ohms @342Hz minimum
    • Frequency Response:  83 Hz – 7.5 kHz +/- 6dB; 50 Hz – 20 kHz +/- 17dB
    • Dispersion Angle:  85° conical @ 2000 Hz octave (– 6dB)
  • Physical – Woofer:
    • Magnet Weight, Material:  10 oz (264g), strontium ferrite ceramic
    • Voice Coil Diameter, Material:  1 inch (26mm), copper wire
    • Cone Material:  Moisture-resistant impregnated cloth with self edge surround
    • Terminals:  Quick disconnect type – spade lugs
  • Mechanical:
    • Basket:  20 gauge stamped steel with zinc plating
    • Outside Diameter:  8.062" (205mm)
    • Mounting Bolt Circle:  Fits grilles with 7.5" — 7.75" (190.5mm—196.9mm) mounting centers, with 8 obround holes equally spaced at 45-degrees.
    • Cutout Diameter for Rear Mounting:  6.875" (174.6mm)
    • Cutout Diameter for Front Mounting:  7.15" (181.6mm)
    • Mounting Depth:  2.84" (72mm)
    • Net Weight:  2.0 lbs (0.92kg)
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