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CSB-40T are design and compact surface mount speakers to broadcast speech and music.
They are EN 54-24 certified, so they can be used for voice alarm installations. The speakers are equipped respectively
with a 3″ and 4″ full range transducers. With 20W and 40W power, both models offer optimal performances for
any kind of application. They integrate high impedance outputs for 100V and 70V installations.
The built-in transformer gives the choice of three or four power levels depending on the model.
Made of ABS resin the cabinet is scratch and shock resistant.
| Brand |
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Zhejiang Dahua Technology Co., Ltd. (Dahua Technology) is a world-leading video-centric AIoT solution and service provider. With its ‘Dahua Think#’ corporate strategy launched in 2021, Dahua Technology focuses on two core businesses: City and Enterprise. The company firmly strengthens its technological strategies that include AloT and IoT digital intelligence platforms, comprehensively promoting the digital intelligence upgrading of cities and enterprises based on customer needs, and creating more value for the digital-intelligent transformation of various industries.
| Model | CSB-40T |
| Standard | Certified to the European Standard EN 54-24:2008 Loudspeaker for voice alarm systems for fire detection and fire alarm systems. Certification Cation NO.1438-CPRxoox |
| Environmental Type | Type A (Indoor applications) |
| Bullt-In speaker | 4" full range paper speaker |
| Rated Noise Power and Voltage | 40W (100V line and 70V line) |
| Rated Impedance | 100V line: 500Ω (20W), 1KΩ (10W), 2KΩ (5W) 70V line: 245Ω (20W), 500Ω (10W), 1kΩ(5W), 2KΩ (2.5W) BYPASS-4Ω |
| Sensitivity | 86dB (1W, 1m) (500Hz-5KHz, pink noise) 74dB(1W, 4m) (100Hz-10KHz pink noise) according to EN54-24 86dB (1W,1m) (100Hz-10KHz,pink.noise) converted based on EN54-24 |
| Frequency Response | 100Hz- 20kHz |
| Maximum Sound Pressure Level | 90dB (20W, 4m)(100Hz -10KHz pinknoise) according to EN54-24 102dB (20W.1m) (100Hz-10KHz.pink.nolse) converted based on EN54-24 |
| Coverage Angle (-6dB) | Horizontal: 360° (500Hz), 220° (1KH2), 120° (2KHz),87°(4KHz) Vertical: 360° (500Hz), 214°(1KH2), 116°(2KHz), 99° (4KHz) |
| Weight | 2.5kg(5.51lbs) |
| Dimensions (W x D x H) | 136x140x206mm(5.35"x5.51"x8.11") |
| Speaker Component | 4" (106x106 mm) paper cone speaker |
| Operating Temperature | -10°C to +50°C |
| Cable Connection | Push-in terminals (steatite terminal x 2] speaker cable with a diameter of 5mm White(+)/ Black(-) |
| Finish | Enclosure: ABS+PC, Black/White; Mesh speaker grill: Surface-treated steel plate, black / white paint; Speaker Wall bracket: Surface-treated steel plate, black / white paint; Joint bracket, screws and Stainless steel cable |
