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Telex BP-351 Dual-Channel Portable Metal Beltpack with 5-pin Connector (Black)

Telex BP-351 Dual-Channel Portable Metal Beltpack with 5-pin Connector (Black)

B&H # TEBP3515PB MFR # F.01U.118.762
Telex BP-351 Dual-Channel Portable Metal Beltpack with 5-pin Connector (Black)

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Product Highlights

  • Send and Receive Calls Through Intercom
  • Audible Call Alert
  • Microprocessor Microphone Kill Detect
  • Powered Through Intercom System PSU
  • 5-Pin XLR Connection for Headset
  • Intercom Volume Control
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You Pay: $419.95

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Overview
  • 1Description

The Telex BP-351 Dual-Channel Portable Metal Beltpack with 5-pin Connector (Black) is a portable microprocessor-controlled intercom beltpack designed to work with Telex RTS two-wire intercom systems. The device has a 5-pin XLR connection for a headset/earset microphone (dynamic/electret), a 3-pin XLR female connector for intercom line and power, and an XLR male loop-through connection for connecting multiple beltpacks together in a chain.

For controls, the unit features a rotary volume control, a channel select button for switching between channels 1 and 2, a call button with indicator light for sending and receiving call signals and a talk button with indicator light. You can talk on the intercom in latched mode where you tap the talk button once to talk and again to turn it off or in momentary mode where the button must be pressed while you talk. The system also includes a sidetone control for adjusting the level of your own voice within your earset.

Talk Button
Activates headset and can operate hands free or push-to-talk
Sidetone Control
Adjusts your own voice level in the headset
Auto-Sensing Headset Connector
Automatically detects the presence of a dynamic or electret microphone
Microphone Kill Detect
Utilizes a microprocessor to turn microphone off
UPC: 800549427579
In the Box
Telex BP-351 Dual-Channel Portable Metal Beltpack with 5-pin Connector (Black)
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description
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    Specifications
    General
    Connectors Headset: XLR 5-pin male connector
    Line connector XLR 3-pin female connector for intercom line and power
    XLR 3-ppin male loop through connection
    Power Requirements 30 VDC nominal (standard RTS line)
    40 to 100 mA
    Storage Temperature -4 to 176°F (-20 to 80°C)
    Storage Humidity 0 to 95% humidity, non-condensing
    Operating Temperature 32 to 122°F (0 to 50°C)
    Operating Humidity 0 to 95% humidity, non-condensing
    Interface
    Impedance 50 t0 200 Ω dynamic microphone
    150 to 600 Ω headphones
    1000 to 3000 Ω electret microphone
    Intercom
    Output Level 775 VRMS nominal
    Impedance Terminating impedance: 200 Ω ±10%
    Bridging Impedance: greater than 10,000 Ω
    Call Signaling Send: 20,000 Hz ± 100 Hz,
    250 mVRMS ± 10%

    Receive: 20,000 Hz ± 800 Hz
    100 mVRMS ± 10%
    Microphone Off Frequency Detection: 24,000 Hz ± 800 Hz
    100 mVRMS
    Noise less than -60 dB on the line
    Headset
    Maximum Output 4.5 ± 10% VRMS into 150 Ω headphones
    Frequency Response 200 to 8,000 Hz ± 2 dB
    Audible Alarm 1,000 Hz at the headset/earset
    THD Less than 1% nominal at less than 3.5 VRMS into the headset
    Sidetone 17 dB minimum range, adjustable
    Dimensions (H x W x D) 5.0 x 3.5 x 1.8" (127 x 88.9 x 45.7 mm)
    Weight Approximately 13 oz (0.4 kg)
    Packaging Info
    Package Weight 1.2 lb
    Box Dimensions (LxWxH) 8.7 x 6.3 x 2.2"
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