User manual
TeachLogic IRV-3150 VoiceLink Plus Wireless Microphone

User Manual for TeachLogic IRV-3150 VoiceLink Plus Wireless Microphone System with 2 Wall-Mount Speakers

• Product category: Assistive Listening Systems TeachLogic
• Brand: TeachLogic
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for TeachLogic Assistive Listening Systems

Product description

• IMA-100 Voicelink Plus 1-Channel Infrared Microphone Receiver/Amplifier with Power Supply The IMA-100 Voicelink Plus 1-Channel Infrared Microphone Receiver/Amplifier with Power Supply from TeachLogic features a 1-channel infrared receiver and two 10W amplifiers to power two or four speakers (sold separately). This receiver/amplifier is a part of the Voicelink Plus Wireless Classroom Microphone System, which also consists of a microphone/transmitter and ceiling sensor. The ceiling sensor (sold separately) senses the infrared signal emitted from the microphone/transmitter (sold separately) and sends the voice signal to the receiver. The receiver processes the signal and produces an analog signal which is fed to the power amplifier. The output of the amplifier is fed to the speakers. The receiver can also accept an input from another audio source such as an iPod, computer, DVD, or video projector via the auxiliary input on the front panel. The receiver/amplifier can be placed on desk top, mounted on the wall, or on top or under a shelf using the mounting flanges and hardware provided.
  • 1-channel infrared receiver
  • Two 10W amplifiers
  • One 4-pin Phoenix speaker out connector
  • One line level auxiliary input on the front panel with adjustable gain, 3.5mm input jack
  • Two RCA sensor inputs
  • Includes mounting brackets
• Wall-Mount/Bookshelf Speaker with Mount Bracket TeachLogic's Wall-Mount/Bookshelf Speaker with Mount Bracket is a full range 2-way compact wall mount/shelf mount speaker. This speaker provides low distortion and a smoother frequency response ideal for articulate vocal clarity for more even coverage. The included wall-mount bracket enables the unit to be secured against a wall or other flat surface.
  • Structural reinforced ABS enclosure with metal mesh grille
  • Mounting bracket for wall-mount or desk top stance
  • Spring terminal for secure speaker wire connection
  • 6" woofer and a high efficient 1" Mylar domed tweeter
  • Passive crossover
  • Housed in a ported enclosure
  • Shielded magnet to prevent video interference
• 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-15 Plug-In Wall Charger for Sapphire Transmitter TeachLogic's BRC-15 Plug-In Wall Charger for Sapphire Transmitter is a plug-in wall charger for the TeachLogic Sapphire 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

• Mounting Brackets & Hardware

• Power Supply

• Limited 5-Year Warranty

• Mounting Bracket

• Limited 5-Year Warranty

• Rechargeable Lithium-Ion Battery

• Limited 5-Year Warranty

• Limited 5-Year Warranty

• 50' 75Ω Dual-Shielded Plenum-Rated Cable

• Limited 5-Year Warranty

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Technical parameters

• IMA-100 Voicelink Plus 1-Channel Infrared Microphone Receiver/Amplifier with Power Supply

  Input	Infrared FM
  Modulation	FM wide-band
  Frequencies	Reception (Channel A): 2.08 MHz
  Infra-red Wavelength	850 nm
  Tone Signal	Channel A: 32.768 kHz
  De-Emphasis	50 μs
  Frequency Response	50 Hz, -13 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
  AUX Input	3.5 mm with gain control, front panel
  Output Power	Two Amplifiers: Each: 10 W RMS Total: 20 W RMS
  Output Impedance	4 Ω
  Output Connection	1 x 4-pin Phoenix
  Power Supply	12 VDC / 0.6 A / 7.2 W
  Enclosure	ABS
  Dimensions (W x H x D)	5.0 x 1.0 x 4.5" (127.0 x 25.4 x 114.3 mm)
  Weight	1.00 lb (0.45 kg)

  Box Dimensions (LxWxH)	10.3 x 7.9 x 1.8"

• Wall-Mount/Bookshelf Speaker with Mount Bracket

  Frequency Range	80 Hz to 16 kHz, ± 6dB
  Power	30 Watts Continuous
  Sensitivity	88 dB SPL
  Impedance	8 Ω
  Crossover Frequency	6 kHz
  Nominal Coverage Angle	90 x 90°
  Driver	LF: 5.25" (13.33 cm) polycarbonate/rubber HF: 1" (2.54 cm) high efficient Mylar domed tweeter
  Enclosure Material	Structural reinforced ABS enclosure with metal mesh grille
  Termination	Spring terminal for secure speaker wire connection
  Dimensions	5.5 x 7.25 x 4.25" (13.97 x 18.41 x 10.79 cm)
  Weight	5.12 lbs (2.32 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)

  Box Dimensions (LxWxH)	5.0 x 3.5 x 1.5"

• BRC-15 Plug-In Wall Charger for Sapphire Transmitter

  Compatibility	Compatible with TeachLogic Sapphire Transmitter
  Power	110V
  Charging Time	10-12 Hours
  Dimensions	Not Specified by Manufacturer
  Weight	Not Specified by Manufacturer

• 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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