User manual
TeachLogic IRV-3350 VoiceLink Plus Wireless Microphone

User Manual for TeachLogic IRV-3350 VoiceLink Plus Wireless Microphone System with 2 Lay-in Panel 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
• Lay-In Ceiling Speaker TeachLogic's Lay-In Ceiling Speaker is a full range compact coaxial ceiling speaker that provides low distortion and a smooth natural frequency response ideal for articulate vocal clarity. Included is a 12" frame, a perforated steel grill, and an integrated steel back can and attached "T" bar for finished edge. It is a quick installation with minimal tile cutting.
  • Complete speaker assembly (12 x 24")
  • Perforated steel grill
  • Heavy duty support for anti rattle or movement
  • Attached adjoining T-bar
  • Air sealed metal back can for an infinite baffle
  • 6.5" cone driver with a 1" Mylar dome tweeter
  • Completely painted, tile white
  • No speaker assembly required
  • Quick and efficient installation
• Handheld Infrared Transmitter/Microphone with NiMH Batteries (Channel A and B) TeachLogic's Handheld Infrared Transmitter/Microphone with NiMH Batteries (Channel A and B) has an ergonomic design that provides user comfort and very low handling noise. The unidirectional condenser reproduces excellent vocal quality and the windscreen prevents breath pops. The emitting diodes are located around the top and bottom end of the handle for 360° transmission and assured connectivity throughout the classroom. Two rechargeable NiMH batteries are included.
  • Condenser microphone element
  • Power "on/off" switch
  • Battery level indicator-LED
  • 2-channel selectable
  • 10 high-power emitting diodes
  • Diodes at top and bottom of handle for increased coverage (2 top aimed out, 6 bottom 360°, 2 bottom aimed down)
  • 360º IR radiation for assured connectivity
• BRC-101 Drop-In Charger for IRH-35/40 Microphone/Transmitter TeachLogic's BRC-101 Drop-In Charger for IRH-35/40 Microphone/Transmitter is a drop-in charger for the TeachLogic IRH-35 and 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

• Mounting Brackets & Hardware

• Power Supply

• Limited 5-Year Warranty

• 2 x NiMH Batteries

• 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"

• Lay-In Ceiling Speaker

  Frequency Response	80 Hz to 15 kHz, ± 6dB
  Power	30 Watts Continuous
  Sensitivity	89dB SPL (1W/1M)
  Impedance	8Ω
  Crossover Frequency	6 kHz
  Nominal Coverage Angle	90° x 90°
  Driver	6.5" (16.51 cm) Polymica/rubber 1" (2.54 cm) high efficient domed tweeter, neodymium
  Enclosure Material	Air sealed metal back can with infinite baffle
  Termination	Screw terminals for secure speaker wire connection
  Mounting	12 x 24" (30.48 x 60.96 cm) lay-in speaker assembly
  Thickness	Panel: 0.62" (1.57 cm)
  Dimensions	12.25 x 23.75 x 6.25" (31.11 x 60.32 x 15.87 cm) With T-Bar Support: 13 x 23.75 x 6.25" (33.02 x 60.32 x 15.87 cm)
  Weight	8 lbs (3.62 kg)

• Handheld Infrared Transmitter/Microphone with NiMH Batteries (Channel A and B)

  Transmission	Carrier: Infrared
  Transmission Frequency	2.08 MHz and 2.54 MHz
  Channel Switching	A and B, 2-Channel Field Switchable
  Transmitting Diodes	10
  Modulation	FM Wide-Band
  Frequency	Pilotone: 32.768 kHz
  Peak Deviation	± 25 kHz
  Operating Range	60' (18.28 m), 2500 ft² (232.25 m2)
  Power Switch	On/Off Slide
  Battery Charge Display	Green (Useable Charge) Red (Needs Charging)
  Battery Life	Approximately 7 Hours
  Diameter	Head: 2.12" (5.38 cm) Body: 1.43" (3.63 cm)
  Dimensions	9.62" (24.43 cm)
  Weight	With Battery: 0.64 lbs (0.29 kg)

  Box Dimensions (LxWxH)	10.3 x 2.8 x 2.5"

• BRC-101 Drop-In Charger for IRH-35/40 Microphone/Transmitter

  Compatibility	Compatible with TeachLogic IRH-35/40 Microphone/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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