Electro-Voice SR-50 Single Frequency Assistive Listening Receiver, B: 72.2MHz
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Electro-Voice SR-50 Single Frequency Assistive Listening Receiver with Belt Clip, Band B: 72.2MHz

SKU: EVSR50B

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Electro-Voice SR-50 Specifications

  • Frequency Band

    B: 72.2MHz

  • Working Range

    Approx. 300' / 91.44m

  • Audio Frequency Response

    <3 dB Variation (100 Hz-10 KHz)

  • Signal-to-Noise Ratio

    Greater than 60 dB at 1 mV input

  • Number of Channels

    1 Fixed Channel (Channel 031)

  • Type of Output

    (Recessed) 3.5mm Mini Jack

  • Headphone Monitoring

    Yes, 3.5mm Audio Output (This Jack Also Serves as the Charger Input)

  • Sensitivity

    5Mu V typical/1Mu V maximum (12 dB SINAD at 25 kHz Deviation)

  • Adjacent Channel Rejection

    More than 35 dB Down at +/- 200 kHz

  • Image and Spurious Rejection

    More than 50 dB Down

  • Distortion

    Less than 2%

  • Supply Voltage

    2-3 Volts, (2) AA Batteries

  • Quiescent Current

    20 mA

  • Power Requirements

    2x AA batteries, Alkaline, NiMH or NICAD
    30 hours Alkaline, 20 hours NiMH, 10 hours NICAD

  • Audio Output

    Into 8 Ohms: 2.0V / 15mW 3.0V / 80mV
    Into 32 Ohms: 2.0V / 10mW 3.0V / 50mW
    (at 10% distortion)

  • Controls

    Volume/On/Off Switch

  • Visual Indicators

    Red LED On Indicator

  • Charger Contacts

    Bottom of unit

  • Display

    Backlit On/Tuning Indicator

  • Mounting Options

    Belt or Pocket

  • Antenna Type

    Omnidirectional in earphone cord

  • Temperature Range

    0 to 50 deg. C / 32 to 122 deg. F

  • FCC

    Complies with Part 15

  • Dimensions (H x W x D)

    4 x 2.75 x 1" / 101.60 x 69.85 x 25.40mm

  • UPC Code

    800549306720

About Electro-Voice SR-50

The SR-50 Single Channel Receiver provides clear reception and the simplicity of a fixed channel. This economical receiver operates on one of 17 fixed narrow-band frequencies in the 72-76 MHz band. Ergonomic raised volume control knob make level adjustments easily accessible by feel. Recessed headphone jack provides extra protection for earphone connections. Two AA batteries give up to 30 hours continuous battery life.

Operating Features

Volume OFF/ON Control
This thumbwheel control serves as both an off/on switch and as a volume control. The Receiver is turned off when the control is in the extreme counterclockwise position, when viewed from the rear and the volume is loudest when the control is in the extreme clockwise position as indicated on the volume control.

Headphone Jack
The headphone jack accepts a 0.140-inch (3.5 mm) diameter miniature mono or stereo phone plug. A variety of accessory units can be plugged into this jack for reception of the desired channel(s) being transmitted.

Belt Clip
The belt clip supplied is detachable by spreading the wire apart at the tops and removing one side of the clip from the case and then the other.

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What's in the box:

  • Electro-Voice SR-50 Single Frequency Assistive Listening Receiver
  • Belt Clip
  • Electro-Voice 3 Year Limited Warranty