TOA / CM-1830AT Ceiling speaker

TOA（ティーオーエー）/ CM-1830ATは、設置環境に最適なスピーカーパネル（別売）を選定可能な天井埋込型スピーカー。差込式コネクターによりワンタッチで結線ができ、送り配線や分岐配線ができます。音量を5段階で調節できるATT回路はトランス式を採用し、入力に関わらず減衰量は一定で、非常放送時の減衰はほとんどありません。

■ Ceiling speaker
■ 12 cm
■ 3W / 1W
■ With volume controller
■ One piece
■ Rated input:  3 W
■ Rated impedance:  3.3 kΩ (3 W), 10 kΩ (1 W)
■ Output sound pressure level:  93 dB (1 W, 1 m, 600 Hz to 6 kHz, pink noise)
■ Frequency characteristics : 100 Hz-18 kHz (at peak -20 dB)
■ Speaker unit: 12 cm cone type
■ Speaker type:  Class L
■ Sound power level:  93 dB (1 W)
■ Directional characteristics classification:  W (0 ° or more and less than 30 ° Q = 5,30 ° or more and less than 60 ° Q = 3,60 ° or more and 90 ° or less Q = 0.8)
■ Volume control:  3 W / 1 W type (Connected to 1 W at shipping)
0 dB, -6 dB, -12 dB, -18 dB, disconnection
■ Mounting hole dimensions:  φ 150 mm (maximum ceiling thickness: 50 mm)
■ Speaker panel mount:  Spring catch type (speaker panel dropout prevention structure)
■ Compatible wire:  600 V vinyl insulated wire (IV wire, HIV wire), solid wire (copper wire): φ0.8 to φ1.6 mm
■ Speaker input terminal:  One-touch type plug-in connector (feed wiring and branch wiring possible)
■ Operating temperature range:  -10 ℃ ~ +50 ℃
■ Compliant with JIS C 5532 (speaker for audio system)
■ Finish:
Case: Flame-retardant high-impact styrene resin (resin material flame-retardant grade: UL94 V-0 equivalent)
Black (Munsell N1.0 approximate color)
■ Dimensions: 215 (W) x 134 (H) x 80 (D) mm
■ Weight: 700 g
■ Compatible panel : CP-183A, CP-183B, CP-183W, CP-184A, CP-189A, CP-189W