Comtek BST-75 Mini Base Station Transmitter for PR-75A Receiver
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Comtek BST-75 Mini Base Station Transmitter for PR-75A Receiver, 72.020-75.980MHz Operating Frequency, 80Hz-10kHz Frequency Response

SKU: CTBST75 MFR: BST-75
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Key Features

  • Experience crystal-clear audio with this Comtek transmitter, perfect for presentations.
  • Achieve reliable connectivity with our wireless transmitter, operating between 72.020-75.980MHz.
  • Enjoy a wide frequency response (80Hz-10kHz) for natural sound with this base station.
  • Ensure seamless communication; this transmitter boasts low latency for real-time audio.
  • This durable Comtek transmitter offers stable performance, essential for field use.
  • Customize your audio setup with 88 programmable channels on this wireless transmitter.
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Questions & Answers

Shopper : Why Did You Choose This?Trudy S : I have a Sound cart setup and this unit works with multiple receivers

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Comtek BST-75 Specifications

  • Audio Inputs

    Line level balanced input 0 dBm for 80% modulation (+20 dBm max, XLR-3F)
    Unbalanced input (+5 dBm Max) or two wire electret microphone with biasvoltage for electret microphone (-35 dBv at 5 K ohms) with 1/4" phone jack

  • Connectors

    XLR-3F Combo with 1/4" phone jack
    Barrel type 5.5mm x 2.1mm power jack AC or DC
    BNC type RF output

  • Operation Indicators

    LED bargraph VU meter
    LED antenna load and coaxial cable condition indicator
    LED DC power indicator

  • Antenna

    19" Telescopic antenna mounts directly into top of transmitter
    BNC RF output connector for optional external antenna

  • FCC Compliance

    Type Accepted under FCC Part 90

  • Power Requirements

    12 Volts AC or DC, 200 mA max

  • Frequency Response

    80 Hz to 10 kHz

  • Audio Distortion

    Less than 0.5% at 80% modulation

  • Modulation Limiter

    Peak compressor type with high linear overload protection (25 dB). Attack time less than 1 ms, recovery time 10 ms

  • Audio Processing

    Companded and non-companded to accommodate a variety of receivers

  • Audio Gain Control

    Limited to 20 dB

  • Frequency Modulation

    10 kHz deviation for narrow band companded

  • RF Output Power

    Maximum power output for FCC Part 90 (120mW)

  • Frequency Stability

    Better than 0.002% digitally synthesized, crystal controlled

  • Operating Frequency

    72.020 to 75.980 MHz
    88 "Flash Memory" programmable channels

  • Harmonic and Spurious Emissions:

    Better than 50 dB below carrier

  • Dimensions (W x H x D)

    3.75 x 1.62 x 5.25" (9.52 x 4.11 x 13.33cm)

  • Weight

    17oz (481.94g)

About Comtek BST-75

The Comtek BST-75 Mini Base Station Transmitter for PR-75A Receiver meets the highest professional standards while offering outstanding value and the most advanced technology available. This versatile and innovative transmitter is simple to use, yet it has sophisticated features such as "Flash Memory" 98-channel programmability with synthesized manual 10-channel selectable user-switch. Plus a unique multifunction RF indicator detects bad antenna load, RF presence, coaxial cable short or open condition for quick and easy troubleshooting. All this is designed into a stylish, compact, all-metal enclosure suitable for permanent rack-mount installations or for stand-alone portable applications.

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Product Documents

User Manual

Key Features

  • Experience crystal-clear audio with this Comtek transmitter, perfect for presentations.
  • Achieve reliable connectivity with our wireless transmitter, operating between 72.020-75.980MHz.
  • Enjoy a wide frequency response (80Hz-10kHz) for natural sound with this base station.
  • Ensure seamless communication; this transmitter boasts low latency for real-time audio.
  • This durable Comtek transmitter offers stable performance, essential for field use.
  • Customize your audio setup with 88 programmable channels on this wireless transmitter.

What's in the box:

  • Comtek BST-75 Mini Base Station Transmitter for PR-75A Receiver
  • C-75 Carrying Case
  • BST-75 Operator's Manual
  • TWA-75 Telescoping Whip Antenna
  • AP-12VAC Power Adaptor (115V AC Input)
  • Comtek 2 Year Warranty