TeachLogic IRV-6655 VoiceLink III Infrared Wireless Microphone System

TeachLogic IRV-6655 VoiceLink III Infrared Wireless Microphone System

TeachLogic IRV-6655 VoiceLink III Infrared Wireless Microphone System

B&H # TEIRV6655 MFR # IRV-6655
TeachLogic IRV-6655 VoiceLink III Infrared Wireless Microphone System

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TeachLogic IRV-6655 overview

  • 1Description

The TeachLogic IRV-6655 VoiceLink III Infrared Wireless Microphone System includes two IRT-55 Sapphire Transmitter Microphones, IR-255 2-Channel VoiceLink III Receiver, ICS-55 Ceiling Sensor, BRC-55 Drop-In Charger for the microphones, and 50’ plenum rated cable. The handheld microphones enable voice transmission to the ceiling sensor that sends the signal to the two-channel receiver. The receiver allows simultaneous use of both the wireless microphones. The receiver processes the signal and produces an analog signal of your voice for input to an amplified sound system (not included).

This infrared wireless microphone system can be a supplement to an existing multimedia system to expand it's utilization to provide voice reinforcement. The wireless function permits 360° connectivity throughout the classroom regardless of body position or orientation.

The Sapphire unidirectional cardioid microphones feature a free air suspension system that ensures voice clarity. With a built-in breath filter, the Sapphire can function as a pass around hand microphone. The strategic alignment of the emitting diodes assures reliable connectivity throughout the room without static or drop out. It features a tap on the power button and a three-position slide switch that provides selection of low, medium, or high microphone sensitivity.

The ICS-55 Ceiling Sensor comes with a mounting bracket and 50’ of plenum rated cable. The ideal location for the dome sensor would be in the center of the ceiling. This will provide a clear signal path for IR transmission from the transmitter to the dome sensor without obstruction. It collects the infrared transmission signal via 6 large detecting diodes. The sensor is connected to the mixer/amplifier via the plenum rated cable terminated with RCA connectors. The mixer/amplifier supplies the power to the sensor.

  • IR-255 VoiceLink III IR Receiver

    The TeachLogic IR-255 VoiceLink III Receiver is a two-channel infrared wireless microphone system that can be an addition to an existing sound system whether in a classroom, conference room, banquet room, or district courtroom. The VoiceLink III features a two-channel infrared wireless microphone receiver for simultaneous use of two wireless microphones. It features an AUX/comp input and front panel output for Lesson Capture and uses a line level output, balanced (phoenix 3-pin), or unbalanced (1/4″ phone) to connect to an existing sound system.

    Supports two infrared wireless microphone receivers
    Features a 3.5 mm front panel input for Aux/ Comp and a 3.5 mm front output for Lesson Capture
    Includes a balanced line output 3-pin phoenix connector and unbalanced 1/4" phone output connector
    Suitable for recording with an active board for internet podcasts
    Two external sensor inputs for maximum coverage
  • Sapphire Transmitter with Microphone and Lithium-Ion Battery

    TeachLogic's Sapphire Transmitter with Microphone and Lithium-Ion Battery is a lightweight classroom microphone and comes with a rechargeable lithium-ion battery. It can be worn with a lanyard or clipped directly to your neckline collar. It has high level output, reliable connectivity and great definition. With a built-in breath filter, the Sapphire can function as a pass-around hand microphone. With a tap on the power button, the microphone mutes for private conversation-tap again to restore to normal operation. The auxiliary input allows wireless playback of your iPod. A three-position slide switch provides selection of low, medium, or high microphone volume levels.

    Long life lithium-ion battery
    Rechargeable via micro USB cable
    Battery level indicator, back light under power switch
    Momentary mute button, backlight blinks in mute mode
    Push "on/off" power
    Channel A or B selectable
    Three level microphone volume switch (low, medium, high)
    Auxiliary input (3.5mm)
    Low profile clip for mounting
    Wear with a lanyard or directly to neckline collar
  • BRC-55 Drop-In Charger for Sapphire and IRH-35/40 Microphones/Transmitters

    TeachLogic's BRC-55 Drop-In Charger for Sapphire and IRH-35/40 Microphones/Transmitters is a drop-in charger for two TeachLogic Sapphire transmitters and one IRH-35 or IRH-40 handheld micrphone/transmitter.

  • Infrared Dome Sensor

    TeachLogic's Infrared Dome Sensor needs to be installed on the ceiling at least 3' from the video projector. It comes with a mounting/support bracket and 50' of plenum rated cable with RCA connector on each end. The ideal location for the dome sensor would be in the center of the ceiling. This will provide a clear signal path for the IR transmission from the transmitter to the dome sensor without obstruction. In addition, you will have 360° coverage and will minimize the transmission distance for more reliable performance. It collects the infrared transmission signal via 6 large detecting diodes. The sensor is connected to the mixer/amplifier via a plenum rated cable terminated with RCA connectors. The mixer/amplifier supplies the power to the sensor.

    Easily installs on ceiling "T" bar with track bracket
    6 large receiving diodes for infrared reception
In the Box
Table of Contents
  • 1Description

TeachLogic IRV-6655 specs

  • IR-255 VoiceLink III IR Receiver
    Receiver Input Infrared FM
    Modulation FM Wide-band
    Reception Frequencies Ch. A: 2.08 MHz
    Ch. B: 2.54 MHz
    IR Wavelength 850 nm
    Tone Signal Ch. A: 32.768 KHz
    De-Emphasis 50 μs
    Frequency Response 40 Hz to 18 kHz, ±3 dB
    S/N Ratio > 65 dB
    THD < 1% @ 1 kHz
    Nominal Deviation ± 10 kHz
    Maximum Deviation ± 25 kHz
    Sensor Input 2 x RCA
    Connectivity 1,600 sq. ft (148.64 sq. m)
    Line Input Computer/Aux 3.5 mm front or Dual RCA input rear panel
    Line Output Balanced Line, Three Pin Phoenix connector
    Unbalanced Line, 1/4" Phone
    Lesson Capture with level control 3.5 mm front panel
    Power Supply 12 VDC / 0.6 A / 7.2 W
    Dimensions (W x H x D) 8.4 x 1.7 x 7.0" (21.3 x 4.3 x 17.8 cm)
    Weight 1.4 lb (0.6 kg)
  • Sapphire Transmitter with Microphone and Lithium-Ion Battery
    Transmitter Carrier: Infrared
    Transmission Frequency 2.08 MHz and 2.54 MHz
    Channel Channel A or B, Field Switchable
    Transmitting Diodes 6
    Modulation FM Wide-Band
    Pilot Tone Frequency: 32.768 KHz
    Peak Deviation ± 25KHz
    Operating Range 60' (18.28 m) line of sight, 1,500 ft² (139.35 m²)
    Indicator Lights Blue: full
    Purple: medium
    Red: low
    Flashing red: very low battery
    Battery 3.7V, 620mAh Lithium-ion
    Battery Life Approximately 8-9 Hours
    External Power Charger: DC +5V, Micro USB Connector
    Transmission Angle 180° Conical
    User Controls Power switch (push): on/off
    Mute switch (push): on/off
    Microphone switch (3 position): + 6db, normal, - 3db
    Auxiliary volume/gain: increase, decrease
    Channel select: A or B, in battery compartment
    Auxiliary External Input: 0.13" (3.5 mm) stereo line level
    Dimensions 3 x 1.25 x 0.75" (7.62 x 3.17 x 1.9 cm)
    Weight 1.4 oz (39.68 g)
  • BRC-55 Drop-In Charger for Sapphire and IRH-35/40 Microphones/Transmitters
    Compatibility Compatible with TeachLogic Sapphire and IRH-35/40 Microphones/Transmitters
    Power 110V
    Charging Time 10-12 Hours
    Indicator Lights Red: Charging
    Green: Charged
    Dimensions 7.75 x 2.75 x 3.75" (19.68 x 6.98 x 9.52 cm)
    Weight 1.75 lb (0.79 kg)
  • Infrared Dome Sensor
    Operating Frequencies 2.3 mHz to 2.8 mHz
    IR Receiver 6 large lens diodes
    Coverage 360°
    Range 40-50' (12.19-15.24 m) line of sight, 2500 ft2 (232.25 m2)
    Mounting Clip-on "T" bar bracket
    Connector Female RCA
    Indicator Lights Green LED for Power On
    Cable 75 ohm
    Dual-shielded
    Plenum-rated
    Cable Length 50' (15.24 m)
    Dimensions 4.62 x 1.37" (11.73 x 3.47 cm)
    Weight 0.46 lbs (0.2 kg)

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