TeachLogic IRS-7655 Spectrum II Base Station with Sapphire Transmitter and Plug-In Battery Charger

TeachLogic IRS-7655 Spectrum II Base Station with Sapphire Transmitter and Plug-In Battery Charger

TeachLogic IRS-7655 Spectrum II Base Station with Sapphire Transmitter and Plug-In Battery Charger

B&H # TEIRS7655 MFR # IRS-7655
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Expected availability: 7-10 business days

This item is noncancelable and nonreturnable.

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TeachLogic IRS-7655 overview

  • 1Description

The TeachLogic IRS-7655 Spectrum II Base Station with Sapphire Transmitter and Plug-In Battery Charger is a complete sound-field system for installation in a classroom or similar environment.

The system package includes the following components: the Spectrum II IMA-700 Amplifier and 2 Infrared Receiver’s base station with switching power supply; the Sapphire Pendant Infrared Transmitter / Microphone with a rechargeable Lithium-ion battery and unidirectional microphone for true voice reproduction and good feedback suppression; the BRC-15 Sapphire Charger that connects the Sapphire transmitter for charging via USB or wall adapter. This system also includes the ICS-55 Ceiling Dome Sensor with 50' (15.24m) of plenum-rated cable and a 100' (30.48m) of plenum-rated 18 gauge speaker cable.

Spectrum II Base Station
  • Four power amplifiers, (18 watts ea. with individual gain controls)
  • Powers up to 8Ω speakers
  • Two infrared wireless microphone receivers
  • Four stereo line level auxiliary inputs
  • Front panel audio output for personal FM system with gain control (3.5mm)
  • Nine band equalizer for extra fine acoustic tuning
  • Page over-ride (muting) with page pass through to classroom speakers
  • Two line level outputs (pre-fader) for recording or feed to other system
Sapphire Transmitter
  • Elegant Design
  • Only 1.4 oz. including battery
  • 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 mic volume switch (low, medium, high)
  • Auxilary input (3.5mm)
  • Low profile clip for mounting
  • Wear with a lanyard or directly to neckline collar
In the Box
TeachLogic IRS-7655 Spectrum II Base Station with Sapphire Transmitter and Plug-In Battery Charger
  • IMA-700 Spectrum II Amplifier and IR Receivers Base Station
  • Sapphire Transmitter with Microphone and Lithium-Ion Battery
  • BRC-15 Plug-In Wall Charger for Sapphire Transmitter
  • Infrared Dome Sensor
  • 100' (30.48m) of Plenum-Rated 18 Gauge Speaker Cable
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    TeachLogic IRS-7655 specs

    Base Station
    Receiver Input Ports Infrared FM
    Modulation FM wide-band
    Frequencies Reception: Channel A: 2.08 MHz
    Channel B: 2.54 MHz
    Infrared Wavelength: 850 nm
    Tone Signal Channel A: 32.768 kHz
    De-Emphasis 50 μs
    Frequency Response 40 Hz, -18 kHz, ± 3 dB
    S/N Ratio >65 dB
    THD <1% @1 kHz
    Nominal Deviation ± 10 kHz
    Maximum Deviation ± 25 kHz
    Sensor Input External: 3, RCA
    Connectivity 2,500 sq. ft. (232.26 sq. m)
    AUX Input 4 aux, line level, Dual RCA
    AUX Outputs 1 aux, line level, Dual RCA
    Line Output 3.5 mm with gain control, front panel
    Input Page Over-Ride: 8Ω, 25 V, 70 V, 100 V
    Equalization Nine-Band ±12dB
    Output Power 4 amplifiers, 18 W ea. (RMS) 72 W total (RMS)
    Output Impedance 4 Ω
    Output Connection 4 Phoenix Connectors
    Power Supply 19 VDC / 4.75 A / 90 W
    Dimensions (W x H x D) 17.00 x 1.75 x 7.50" "(431.80 x 44.45 x 190.5 mm)
    Weight 5.2 lb (2.35 kg)
    Transmission Carrier: Infrared
    Frequencies: 2.08 MHz & 2.54 MHz
    Channel Field switchable A or B
    Transmitting Diodes 6
    Modulation FM wide-band
    Frequency Pilotone: 32.768 kHz
    Peak Deviation ± 25 kHz
    Operating Range 1500 sq. ft. (139.35 sq. m) 60' (18.28m) line of sight
    Battery Blue: full
    Purple: medium
    Red: low
    Flashing Red: very low battery
    Battery Life Used: Lithium-ion (3.7V / 620mAh)
    Life: Approximately 7 hours / charge
    Charger External Power: +5 VDC, Micro USB connector
    Transmission Angle 180° conical
    External Power Switch (Push): On / off
    Mute Switch (Push): On / off
    Mic Switch (3 position): + 6db, Normal, - 6db
    Auxiliary Volume / Gain: Increase, decrease
    Channel Select: (A or B) in battery compartment
    External Aux Input: 3.5mm stereo line level
    Dimensions (W x D x H) 3.62 x 1.25 x 0.75" (91.94 x 31.75 x 19.05 mm)
    Weight 1.4 oz (85.0 g) with battery

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