Comtek PR-75a AutoSmart-Tuning Assistive Listening Receiver

Comtek PR-75a AutoSmart-Tuning Assistive Listening Receiver

Comtek PR-75a AutoSmart-Tuning Assistive Listening Receiver

B&H # COPR75AOP MFR # PR-75 OPTION P
Comtek PR-75a AutoSmart-Tuning Assistive Listening Receiver

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Product Highlights

  • Self-Tuning
  • Use 1 Receiver For Multiple Feeds
  • Up To 100 Hours Of Battery Life
  • Easy To Use
  • Rugged, Durable Design
  • LED Indicator
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  • 1Description

The Comtek PR-75a AutoSmart-Tuning Assistive Listening Receiver is an easy to use digitally synthesized monitor receiver. The receiver's AutoSmart-Tuning makes it easy to switch between multiple audio sources within the same building. The receiver's auto-on feature turns the unit on and begins searching for a channel as soon as you plug in earphones.

AutoSmart-Tuning

This unique receiver will automatically turn itself on and initiate its AutoSmart-Tuning when the earphone is plugged in. The PR-75a's AutoSmart-Tuning process selects the closest appropriate transmitter in its vicinity and then sets itself to this channel. This also establishes the receiver's compatible frequency group when multiple channel operation is in use in the same area. A convenient one-button tuning control will cause the receiver to seek only channels belonging to its frequency group, eliminating the possibility of tuning to an incorrect channel

Single LED Indicator System

During the initial tuning process, the LED indicator will blink very rapidly indicating channel selection. The LED indicator will illuminate continuously when a signal is being received. A steady slow LED flash rate indicates that the receiver is no longer receiving a signal. The LED will flash rapidly indicating that the 3 volt battery supply has fallen below 2 volts and the unit must be recharged or two new AA size 1.5 volt batteries are needed
The PR-75 is compatible with the M-175 Personal Communication Transmitter, the BST-75 mini base station transmitter, and the BST-50b digitally synthesized base station transmitter
Up to 100 hours battery life
Stereo or mono headsets
Simple to use, reliable, and affordable
Rugged and durable design
In the Box
Comtek PR-75a AutoSmart-Tuning Assistive Listening Receiver
  • 1-Year Limited Warranty
  • Table of Contents
    • 1Description
    Audio Output Headset output 200 mW average
    Impedance As low as 16 ohm
    Connectors Stereo/mono 3.5 mm audio output connector and charging input
    2.5 mm stereo connector for I/O data programming
    Indicators Multi-function LED:
    Channel-seeking
    Received signal
    No signal
    Low battery

    When battery is low, the unit will also beep

    Controls Volume control (50 dB range)
    Automatic turn-on when headphone is plugged in and turn-off when headphone is removed
    One-button tuning control (AST)
    Audio Frequency Response 100 Hz to 10 kHz ±3 dB
    Total Harmonic Distortion Less than 1% (1kHz tone 30 kHz deviation)
    Operating Radio Frequency 72 to 76 MHz
    Frequency synthesized 10-channel, AutoSmart-Tuning (AST)
    Frequency Stability 0.002% frequency synthesized crystal controlled
    RF Sensitivity 1.3 μV for 38 dB of quieting (average)
    Ultimate Quieting Better than 75 dB related to output
    FM Non-Companded FM deviation up to 40 kHz
    Antenna Integral with headphone cable (no external antenna)
    Battery Life 100 hours with alkaline batteries
    Power Requirements 2 AA 1.5 volt alkaline batteries or rechargeable Ni-MH (NH 1700)
    FCC Compliance Complies with Part 15 of FCC rules for scanning receivers
    Dimensions 1.06 x 2.5 x 3.25" (2.7 x 5.7 x 8.3 cm)
    Packaging Info
    Package Weight 0.55 lb
    Box Dimensions (LxWxH) 9.35 x 4.0 x 4.0"

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