TOA / BS-320

The TOA BS-320 is a wall-mounted speaker with excellent clarity and is compatible with high-impedance sound systems.

■Oil-Fired Wall-Mounted Speaker
■3W

■Rated Input
3W
■Rated Impedance
3.3 kΩ (3W), 10 kΩ (1W), (5 kΩ (2W): Requires internal wiring changes)
■Output Sound Pressure Level
91 dB (1W, 1m)
■Frequency Response
200 Hz to 18 kHz -20 dB
■Speaker Type
12 cm Cone Type
■Speaker Type
Class L (92 dB(A) or higher when measured with the second signal of the voice alarm sound according to the Fire Service Act Enforcement Regulations)
■Sound Power Level
96 dB (1W)
■Directivity Classification
W (0° to 30°: Q=5, 30° to 60°: Q=3, 60° to 90°: Q=0.8)
■Applicable Wire
600 Vinyl-insulated wire (IV wire, HIV wire)
Solid copper wire: φ0.8 to φ1.2 mm
Stranded wire (7-core copper wire): 0.75 to 1.25 mm²
■Wiring method
One-touch plug-in connector (feed terminal, 2-branch type)
■Operating temperature range
-10°C to +50°C
■Other
Conforms to JIS C 5532 (Speakers for audio systems)
■Finish
Case: ABS resin, off-white (approximate Munsell N9.5 color)
Back: Hardboard
■Dimensions
173 (W) x 195 (H) x 101 (D) mm
■Wall mounting dimensions
Front case mounting: 184 mm
Double-hole mounting: 120 mm
■Weight
780 g
■Accessories
Main unit mounting screws...4