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Atlas B51-4

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4\" Loudspeaker Combo Package FC104T72/51-4
This attractive B51-4 loudspeaker assembly combines the sound performance of a full range 4\" high compliance loudspeaker with the job site convenience and economy of a factory-assembled loudspeaker, transformer and baffle.

Model incorporates the popular Atlas Sound FC104 high performance loudspeaker, recognized for full-range voice and music reproduction. Unit provides wide-angle sound dispersion to achieve desired coverage with fewer loudspeakers in distributed systems.

Each loudspeaker employs a 10 ounce ceramic magnet and a damped, high-compliance cone to provide excellent low-frequency reproduction with smooth extended response. Package includes factory-mounted, dual-voltage 70.7/25V or 70.7V transformer and round grille with screw mount installation.

  • Attractive white finish
  • Easy to order 4\" speaker/transformer/grill assembly
  • Suited for any commercial paging or BGM application

Depth2 1/4\" (5.715 cm)
Diameter4\" (10.16 cm)
Shipping Weight2.83 lbs (1.28 kgs)
Frequency Response100Hz - 10kHz (+/- 1.5dB)
Power Taps70.7V/25V
Speaker TypeHigh Compliance
Dispersion135°/ -6dB, 2kHz
Sensitivity94dB (at 1W / 1M)

Atlas B51-4

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4\" Loudspeaker Combo Package FC104T72/51-4
This attractive B51-4 loudspeaker assembly combines the sound performance of a full range 4\" high compliance loudspeaker with the job site convenience and economy of a factory-assembled loudspeaker, transformer and baffle.

Model incorporates the popular Atlas Sound FC104 high performance loudspeaker, recognized for full-range voice and music reproduction. Unit provides wide-angle sound dispersion to achieve desired coverage with fewer loudspeakers in distributed systems.

Each loudspeaker employs a 10 ounce ceramic magnet and a damped, high-compliance cone to provide excellent low-frequency reproduction with smooth extended response. Package includes factory-mounted, dual-voltage 70.7/25V or 70.7V transformer and round grille with screw mount installation.

  • Attractive white finish
  • Easy to order 4\" speaker/transformer/grill assembly
  • Suited for any commercial paging or BGM application

Depth2 1/4\" (5.715 cm)
Diameter4\" (10.16 cm)
Shipping Weight2.83 lbs (1.28 kgs)
Frequency Response100Hz - 10kHz (+/- 1.5dB)
Power Taps70.7V/25V
Speaker TypeHigh Compliance
Dispersion135°/ -6dB, 2kHz
Sensitivity94dB (at 1W / 1M)