TOA / BS-22B Equipment speaker

TOA（ティーオーエー）/ BS-22B　は、塗装仕上げの密閉型エンクロージャと樹脂製防滴コーンスピーカーを搭載した防塵・防水性能IP65のハイインピーダンス・コンパクトスピーカーです。屋外の軒下等直接雨水のかからない場所に設置でき、パンチングネット、アングルはともに粉体塗装仕上げ、ねじ類はステンレスを用い、耐食性に優れています。

■ Enclosure type: Closed type
■ Rated input: 20 W
■ Rated impedance:  500 Ω (20 W), 1 kΩ (10 W), 2 kΩ (5 W), 4 kΩ (2.5 W)
■ Output sound pressure level: 90 dB (1 W, 1 m, 330 Hz to 3.3 kHz, when pink noise)
■ Frequency characteristics: 120 Hz to 14 kHz (at peak -20 dB)
■ Direction angle: Horizontal: 60 °, Vertical: 130 ° (2 kHz)
■ Speakers used: 10 cm resin drip cone type x 2
■ Speaker type: Class L (Fire Defense Law Enforcement Regulations, 92 dB (A) or more when measured with the second signal of the voice alarm sound)
■ Sound power level: 90 dB (1 W)
■ Directional characteristics classification
X (horizontal: 0 ° or more and less than 15 ° Q = 8, 15 ° or more and less than 25 ° Q = 4,25 ° or more and less than 40 ° Q = 1, 40 ° or more and 90 ° or less Q = 0.1)
(Vertical: 0 ° or more and less than 20 ° Q = 9, 20 ° or more and less than 40 ° Q = 6, 40 ° or more and less than 55 ° Q = 4,55 ° or more and less than 75 ° Q = 2,75 ° or more and 90 ° or less Q = 1)
■ Speaker cord: φ6.5 mm 2-core cabtire cord (length 60 cm)
■ Operating temperature range: -20 ℃ ~ +55 ℃
■ Dustproof and waterproof performance: IP65
■ Other: According to JIS C 5532 (speaker for sound system)
■ Finishing:
Enclosure: HIPS resin black (Munsell N1.0 approximate color) coating
Punching net: Aluminum black (Munsell N1.0 approximate color) powder coating
Angle: Stainless steel black (Munsell N1.0 approximate color) Powder coating
Angle mounting screw, safety wire: stainless steel
■ Dimension: 250 (W) × 135 (H) × 161 (D) mm (main body only)
■ Weight: 2.1 kg (body only)
■ Accessories: Angle x1, Angle mounting screws x2, Safety wire x1