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Comtek BST 25-216 Carry Case Version Synthesized Base Station Transmitter, 80Hz-8kHz Frequency Response, Mic/Line Level Input, 216-217MHz Operating Frequency

SKU: CTBST25216CS MFR: BST 25-216
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Key Features

  • Achieve superior audio clarity with this Comtek transmitter's 80Hz-8kHz frequency response.
  • Ensure seamless broadcasts using the BST 25-216's stable, crystal-controlled frequency.
  • Utilize the XLR input for balanced mic or line-level audio connections, enhancing sound.
  • Monitor audio input easily via the LED bargraph VU meter for optimal modulation levels.
  • Enjoy versatile antenna options with both telescopic and BNC RF output connectors included.
  • Perfect for pro audio, this transmitter offers less than 1% distortion at 80% modulation.
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Comtek BST 25-216 Specifications

  • Audio Input: Mic

    XLR 600 ohm Balanced -40 dBV (nominal)

  • Audio Input: Line

    XLR > 10 k ohm Balanced 0 dBV (nominal)

  • Connectors

    XLR-3 Female audio input connector for mic and line input
    XLR-4 Male power input 12 volts
    BNC type RF output connector

  • Antenna

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

  • RF Output Power

    Set for 100 mW

  • Operation Indicators

    LED Bargraph VU Meter displays audio input (modulation)
    Two-Digit Alpha Numeric Display shows operating channel
    Five-Digit Numeric Display shows operation frequency
    Antenna indicator displays deficient antenna condition
    Lock-out Indicator shows tuning has been disabled

  • Power Requirements

    12 Volts DC, 300 mA max

  • Frequency Response

    80 Hz to 8 kHz

  • Audio Distortion

    Less than 1% at 80% modulation

  • Modulation Limiter

    Soft compressor type with high (25 dB) linear overload protection; attack time less than 1 ms; recover time 10 ms

  • Audio Gain Control

    Greater than 40 dB

  • Test Tone Generator

    400 Hz 0.05% distortion

  • Frequency Modulation

    5 kH and 10 kH deviation

  • Frequency Stability

    Better than 20 ppm; digitally synthesized; crystal controlled

  • Operating Frequency

    216-217 MHz

  • Harmonic and Spurious Emissions

    Better than 55 dB below carrier

  • FCC Compliance

    Parts 22, 74 and 90

  • Compatibility

    PR-216, PR-216 Option 7 Receivers

  • Dimensions (W x H x D)

    6.5 x 1.75 x 5.62" / 165.1 x 44.45 x 142.75mm

  • Weight

    44oz / 1247.38g

About Comtek BST 25-216

If you're seeking a sophisticated and reliable solution for your broadcasting or communication needs, consider the BST 25-216 Carry Case Version Synthesized Base Station Transmitter. This high-quality device, designed by industry-leading brand Comtek, seamlessly integrates the latest digital and analog technologies. The result is a transmitter that offers low residual noise, an extended frequency response of 80Hz-8kHz, and a wide dynamic range. These features work together to deliver the most natural and clear sound possible for a wireless system.

The BST 25-216 is not just advanced, but also versatile. It's designed to operate at its highest fidelity when paired with the PR-216 receiver on wide-band companded channels. However, it also maintains compatibility with all-in-ear type receivers from other manufacturers. These receivers, operating in the 216-217 MHz band on narrow band non-companded channels, can be used with a special EQ setting.

One of the standout features of the BST 25-216 is its mic/line level input. This allows the device to accept a wide range of input signals, making it adaptable to various situations. Furthermore, the transmitter's microcontroller automatically sets the modulation deviation and the audio mode for companding processing when corresponding channels are selected.

Built to last, the BST 25-216 comes in a durable carry case, making it an ideal choice for professionals who require a robust and portable base station transmitter. Whether you're in broadcasting, communication, or any field that requires superior sound transmission, the BST 25-216 Carry Case Version Synthesized Base Station Transmitter is a reliable and advanced choice.

Comtek BST 25-216 Features

  • Sophisticated base station transmitter with digital and analog technologies for clear sound transmission
  • Extended frequency response of 80Hz-8kHz and wide dynamic range for natural sound quality
  • Compatible with PR-216 receiver and other manufacturers' all-in-ear type receivers
  • Mic/line level input for accepting a diverse range of input signals
  • Automatic modulation deviation and audio mode setting for companding processing
  • Durable carry case included for enhanced portability and protection

Product Documents

User Manual

Key Features

  • Achieve superior audio clarity with this Comtek transmitter's 80Hz-8kHz frequency response.
  • Ensure seamless broadcasts using the BST 25-216's stable, crystal-controlled frequency.
  • Utilize the XLR input for balanced mic or line-level audio connections, enhancing sound.
  • Monitor audio input easily via the LED bargraph VU meter for optimal modulation levels.
  • Enjoy versatile antenna options with both telescopic and BNC RF output connectors included.
  • Perfect for pro audio, this transmitter offers less than 1% distortion at 80% modulation.

What's in the box:

  • Comtek BST 25-216 Carry Case Version Synthesized Base Station Transmitter
  • C-16 Carrying Case
  • Operator's Manual
  • TWA-72 Whip Antenna
  • AP-12V1 Power Adaptor (115 VAC Input)
  • Comtek 2 Year warranty