The TOA BS-633AT is a versatile wall-mount speaker, ideal for various public address and background music applications. It shares many features with the BS-633A model but includes a built-in attenuator, allowing for easier volume control and connection flexibility.
Key Features:
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Wall Mounting: The BS-633AT can be easily mounted or hooked directly onto the wall, providing flexibility in installation locations.
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Push-In Type Input Terminal: This feature simplifies cable connections and allows for easy bridge wiring.
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Built-In Attenuator: The integrated attenuator allows the speaker to be connected to both 2-wire and 3-wire systems, offering different levels of volume control directly on the speaker.
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Adjustable Impedance: The input impedance can be changed by adjusting the tap position of the transformer on the rear side of the speaker.
Specifications:
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Rated Input:
- 6 W (100 V line)
- 3 W (70 V line)
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Rated Impedance:
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100 V Line: 1.7 kΩ (6 W), 3.3 kΩ (3 W)
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70 V Line: 1.7 kΩ (3 W), 3.3 kΩ (1.5 W)
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Sensitivity: 91 dB (1 W, 1 m), ensuring clear and loud sound output.
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Frequency Response: 120 Hz - 15,000 Hz (-20 dB), offering a wide range of audio frequencies suitable for both speech and background music.
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Speaker Component: 12 cm (5") cone-type driver, providing balanced audio output.
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Applicable Cable:
- 600 V Vinyl-Insulated Cable (IV or HIV Wire)
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Solid Copper Wire: φ0.8 - φ1.6 mm (equivalent to AWG 20 - 14)
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7-Core Twisted Copper Wire: 0.75 - 1.25 mm² (equivalent to AWG 18 - 16)
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Connection: Push-in connector with a bridging terminal for straightforward and secure wiring.
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Attenuation Levels:
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3 W Setting: OFF, 1 (-12 dB), 2 (-6 dB), 3 (0 dB)
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6 W Setting: OFF, 1 (-13 dB), 2 (-7 dB), 3 (0 dB)
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Operating Temperature: -10℃ to +50℃ (14°F to 122°F), making it suitable for various environments.
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Finish:
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Case: ABS resin, off-white, providing durability and a clean appearance.
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Rear Board: Hardboard for added stability.
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Dimensions:
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Overall Size: 173 mm (W) × 195 mm (H) × 101 mm (D) (6.81" × 7.68" × 3.98"), excluding the volume control.
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Wall Mounting Dimensions:
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Case Front Mount: 184 mm (7.24")
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Fixing Hole Mount: 120 mm (4.72")
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Weight: 810 g (1.79 lb), making it lightweight and easy to handle during installation.
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Accessories: Includes speaker mounting screws (4 × 35 mm and 4 × 16 mm) for secure installation.
Applications:
The BS-633AT is suitable for:
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Public Address Systems: Ideal for environments like schools, offices, and retail spaces where adjustable volume control is beneficial.
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Background Music: Perfect for maintaining a pleasant atmosphere in various commercial settings.
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Announcements: Provides clear, loud audio for announcements in public spaces.
Advantages:
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Ease of Installation: The push-in connectors and built-in attenuator make installation and configuration simple.
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Durability: The ABS resin construction ensures a long-lasting and sturdy speaker, capable of withstanding various environmental conditions.
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Versatility: The integrated attenuator adds functionality, allowing for easy adjustment of volume levels directly on the speaker.
The TOA BS-633AT is a robust and versatile wall-mount speaker, offering enhanced functionality with its built-in attenuator, making it an excellent choice for various commercial audio applications.
