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IR-820SP.Infrared Speaker

     PA/Sound System ---    TOA    ---

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IR-820SP.Infrared Speaker


The Infrared Wireless Microphone System using this IR-820SP is a PA system designed for use in the school classrooms assuming that their size is about 10 m × 10 m (30 ft × 30 ft). The IR-820SP is a ceiling-mounted powered speaker with the infrared receiver and offers a wide frequency range of high-quality sound output. It features a digital amplifer for the amplification section, and a full-range speaker for the speaker section. Use of the supplied mounting hardware and optional HY-TB1 Tile Bar Bridge permits it to be versatilely mounted to match a wide range of applications and installation locations. This speaker is combined with an infrared wireless microphone and the IR-802T Infrared Wireless Tuner to make up the infrared wireless microphone system. The infrared microphone system eliminates problems with interference or eavesdropping, allowing simultaneous use in adjacent school classrooms.

Specifications:


Power Source 24 V DC (supplied from IR-802T)
Power Consumption 4.4 W (based on UL standards)
Rated Output 20 W
Frequency Response 100 Hz - 20 kHz (-10 dB) at installation in 1/2 free sound field
(Measured by installing the unit in the center of a ceiling.)
Amplification System Class D
Distortion 5 % or less (rated output)
Speaker Component 12 cm (4.72') cone-type

Infrared Wireless Receiver

Wavelength 870 nm
Carrier Frequency Teacher (Channel A): 3.100 MHz
Student (Channel B): 3.350 MHz
Reception Angle 360쯡 (Horizontal)
 
Connection Terminal RJ-45
LED Indicator Power (green) × 1
Mounting Hole φ300 mm (φ11.81')
Usage Cable CAT-5 UTP
Operating Temperature -10 → to +50 → (14 쯡F to 122 쯡F)
Operating Humidity 90 %RH or less (no condensation)
Finish Enclosure: Steel plate
Baffle: Fire-resistant ABS resin (resin material grade: UL94V-0)
Punched net: Steel plate
Filter section: Polycarbonate
Dimensions φ320 × 205 (D) mm (φ12.6 × 8.07)
Weight 3.4 kg (7.5 lb)
Accessory Safety wire …1, Ceiling reinforcement ring ...1, Trim Ring ...1, Paper Pattern ...1
Option Tile bar bridge: HY-TB1
 





Brochure : 
https://cdn1.npcdn.net/attachments/1549874953504e5b3e37a2d6bc037b25622e97a6fc.pdf


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