Azden IR-CS Infrared Classroom System

Azden IR-CS

Infrared Classroom System - Ceiling Mount Speakers

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 Azden IR-CS Infrared Classroom System -Ceiling Mount Speakers

Azden IR-CS Infrared Classroom System
Product Code:IRCS
Buy Sell Sales Azden IR-CS Infrared Classroom System
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Overview:
CLASSROOM PROVEN
For the past decade, probably no company has had more of their wireless microphone systems installed in classrooms across the country than Azden. Working with the engineering departments of the leading classroom amplification names, Azden has been at the forefront of the drive to improve the quality and reliability of sound available in class-rooms. Azden has been selected by these companies because of our long experience in producing reliable RF and infrared products, not for the "stage" but for everyday applications, especially classrooms and conference rooms. Now, in addition to our continued partnerships, Azden is proud to introduce its own lineup of products, engineered specifically for the classroom.

THE ADVANTAGES OF INFRARED
Infrared wireless microphone systems are the best solution for classrooms. In today's RF saturated world a regular (VHF or UHF) microphone system risks interference from a variety of other devices and sources. Cell phones, radios, TV, PA systems, police and emergency service systems, etc., can all interfere with VHF and UHF, but not with IR. Furthermore, infrared is perfect for classroom audio, since, unlike the other systems, IR is short-range, cannot penetrate walls, and is line-of-sight. This means that a school can have as many classrooms as desired with individual audio systems, without fear of interference. Since the Azden system is dual-channel, the teacher can have one micro-phone and a second person can also have a microphone. In addition, since each class-room system is on the same pair of channels, teachers can go from room to room with-out having to switch microphones.

THE COMPLETE CLASSROOM SYSTEM
Although you can purchase components separately to customize your own system, Azden provides two complete systems (IR-CS and IR-WS) which include: an IR receiver with ample power for 4 ceiling or 4 wall-mounted speakers and a built-in sensor array (IRR-30P), a small, lightweight chest-worn microphone/transmitter (IRN-10), a pass-around handheld microphone/transmitter (IRH-15c), an external ceiling-mounted sensor (IRD-60), and 4 high-quality in-ceiling speakers (ACS 6.5) or 4 compact wall-mounted speakers (AWS-4.5). All you need to complete the installation is the wiring for the speakers and sensor.
 
Components for Classroom Infra Red Audio System:
IRR-30P RECEIVER
The heart of the Azden infrared system is the IRR-30P powered, dual-channel receiver. It allows you to use and control the volume of 2 wireless microphones simultaneously, either for "team-teaching, or to use the handheld microphone for student pass-around. The receiver also has 2 stereo auxiliary inputs so that other line-level devices (CD players, MP3 players, VCRs, etc.)can be attached and played through the system. The teacher can also send the audio to   a recorder or video camera, using the line-level preamp-level jack. For bigger rooms or odd-shaped rooms up to 3 additional external sensors can be attached. With all 4 of the ceiling speakers attached to the IRR-30P, sound is spread equally throughout the room, allowing all students to hear equally.

IRN-10 MICROPHONE
A lightweight, chest worn, microphone/transmitter , it comes with an adjustable lanyard. It is both a microphone and infrared transmitter which wirelessly "links" the teacher to the IRR-30P receiver. It has a specially designed internal microphone array which provides great sound pick-up. With two switchable channels, a teacher can go from classroom to classroom with the same microphone! With just two "AA" batteries (alkaline or rechargeable) the microphone can be used the entire school day without recharging or changing batteries.

IRH-15c HANDHELD MICROPHONE
The perfect handheld "pass-around" microphone for student participation, this dual channel microphone/transmitter , operates on the channel that the teacher is not using. It is powered by two "AA" batteries (alkaline or rechargeable) and is compatible with all Azden infrared models. Both the IRN-10 and IRH-15c can recharge internal NiMH batteries when a BC-29 wall-charger is used. There's no need to remove the batteries to recharge.

IRD-60 SENSOR
In most classroom situations, a single well positioned IRD-60 external IR sensor provides complete classroom coverage. Mounting is easy and the sensor is connected to the IRR-30P, receiver with standard coaxial wire.

Recommended Speakers
To get the maximum power of IRR-30P, ceiling or wall speaker adapted impedance 4 ohm, passive type one is recommended to connect with IRR-30P.
 
Specifications of IR-CS:
IRR-30P - 2-channel receiver w/power amplifier
Sub-carrier frequencies: 2.06MHz & 2.56MHz
Type: Super heterodyne - crystal controlled
Modulation: FM
Signal-to-Noise: >75dB A weighted
Reception sensitivity: >25dBµV
Line Input impedance: 32k ohms ±15%
Line Output adjustment: - infinity to +10dBu
Audio Output: 5W x 4 @ 4 ohms
Power requirement: 15V DC @ 2.7A (use model BC-30)
Size: 8.03" W x 9.19" D x 1.73" H (204 x 233 x 44mm)
Weight: 2.86lb (1.3kg)

IRH-15c - 2-channel handheld transmitter
Sub-carrier frequencies: 2.06MHz & 2.56MHz switchable
Modulation: FM
Microphone element type: Uni-directional dynamic
Frequency Response: 50-8kHz ±3dB
Battery type: 2-"AA" alkaline( 1.5V x 2 ) or
2-1HR-3U "AA" rechargeable Ni-MH (1.2V x 2 )
Battery life: > 6 hours w/alkaline batteries
Size: 9.65" x approx.1.375" (245 x approx. 35mm)
Weight: 9.1oz (258g) w/alkaline batteries)

IRN-10 - 2-channel chest-worn transmitter
Sub-carrier frequencies: 2.06MHz & 2.56MHz switchable
Modulation: FM
Microphone element type: Uni-directional electret x 2
Frequency response: 50-9kHz ±3dB
Ext Mic input impedance: 2.2k ohms Ext Mic input jack: 3.5mm
Ext. Mic Voltage/Current: 3.5VDC @ 1mA (to power electret mic element)
Mic gain adjustment: +6dB to approx. -10dB
Battery type: 2-"AA" Alkaline (1.5V x 2) or
2-1HR-3U "AA" rechargeable Ni-MH (1.2V x 2)
Battery life: > 8hours w/alkaline batteries
Size: 3.15" H x 2.75" W x 1.06" D (80 x 70 x 27mm)
Weight: 4.3oz (120g) -w/alkaline batteries

IRD-60 - Dome sensor
Output: F Connector
Power: powered by receiver (24V @ 15mA)
Cable requirement: RG59 - 75 ohm coaxial
Size: 3.94" x 1.18" (100x30mm)
Weight: 6.00oz (170g) w/mounting bracket

 
Classroom Wireless Audio system consists of following components:
Azden IRR-30P Azden IRN-10 Azden IRH-15c Azden IRD-60  
Buy Sell sales Azden IRR-30P Receiver Buy Sell Sales Azden IRN-10 Buy Sell sales IRH15c Buy Sell sales IRD-60  
IRR-30P IRN-10 IRH15c IRD-60  
2-Channel Receiver with power amplifier
2-Channel Chest-Worn Transmitter

2-Channel Handheld Transmitter

Dome Sensor
 
 
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IRD-30        
External sensor for the wall
       
 
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