TOA / TH-750 Reflex horn

TOA（ティーオーエー）/ TH-750は、広報、案内放送に適した明瞭性の良い別売ドライバーユニット取付用のレフレックスホーンです。結合部ねじにインチねじを採用しています。外装金属部品はアルミで粉体塗装仕上げ、アングル、ねじ類はステンレスを用い、耐候性に優れています。

■ Reflex horn
■ Compatible wiht: TU-730A, TU-730AM, TU-750, TU-750M
■ Output sound pressure level: 110 dB (1 W, 1 m) (with compatible driver unit)
■ Frequency response: 200 Hz to 6 kHz (with compatible driver unit)
■ Speaker type
Class L (Fire Defense Enforcement Regulations: 92 dB (A) or more when measured with the second voice warning sound signal)
 (A combination of either TU-730AM or TU-750M)
■ Sound power level: 109 dB (1 W) (either TU-730AM or TU-750M combination)
■ Directional characteristics classification:
N (0 ° to less than 15 ° Q = 20, 15 ° to less than 30 ° Q = 4, 30 ° to less than 60 ° Q = 0.5, 60 ° to 90 ° less Q = 0.3)
(A combination of either TU-730AM or TU-750M)
■ Connecting screw: JIS C 5504 type 1 (inch screw)
■ Operating temperature range: -20 ℃ ~ +55 ℃
■ Finish:
Horn A cylinder, flange: Aluminum off-white (Munsell N9.5 approximate color) powder baking coating
Horn BC cylinder: ABS resin off-white (Munsell N9.5 approximate color)
Angle holder: Aluminum gray (Munsell N4.5 approximate color) Powder baking finish
Angle, Screw: Stainless
■ Dimensions and weight: φ500 x 394 (D) mm, 2.9 kg
■ According to JIS C 5504 (horn speaker)
■ Sold separately:
 ・ Speaker mounting bracket: (For ceiling / wall / pole mounting) SP-201 (stainless steel) (Pole mounting requires separately sold band YS-60B)
 ・ (Hot-dip galvanized finish speaker mounting bracket mounting band) YS-60B (2 pieces)
 ・ Speaker stand: ST-16A (cannot be used in strong wind)