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

SKU: CTBST25216RM MFR: BST 25-216 RMK
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Key Features

  • Experience superior audio clarity with this wireless transmitter's wide 80Hz-8kHz frequency response.
  • Ensure reliable connection for professional sound with our synthesized base station transmitter.
  • Optimize your audio setup with mic/line level input, perfect for various recording environments.
  • Enjoy flexible antenna options; use the telescopic or connect an external antenna for best signal.
  • Monitor audio levels easily with the LED bargraph VU meter for precise modulation control.
  • This durable build rack mount transmitter delivers low latency, ideal for live performances.
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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

  • 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

The Comtek BST 25-216 Rack Mount Version Synthesized Base Station Transmitter incorporates the latest digital and analog technologies to produce low residual noise, wide dynamic range and extended frequency response rendering the most natural sound possible for a wireless system. For highest fidelity operation, the PR-216 receiver can be used on the wide-band companded channels.

The Comtek BST 25-216 is also compatible with other manufacturer's all-in-ear type receivers operating in the 216-217 MHz band on the narrow band non-companded channels with a special EQ setting. The transmitter's microcontroller automatically sets the modulation deviation and the audio mode for companding processing when corresponding channels are selected.

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Product Documents

User Manual

Key Features

  • Experience superior audio clarity with this wireless transmitter's wide 80Hz-8kHz frequency response.
  • Ensure reliable connection for professional sound with our synthesized base station transmitter.
  • Optimize your audio setup with mic/line level input, perfect for various recording environments.
  • Enjoy flexible antenna options; use the telescopic or connect an external antenna for best signal.
  • Monitor audio levels easily with the LED bargraph VU meter for precise modulation control.
  • This durable build rack mount transmitter delivers low latency, ideal for live performances.

What's in the box:

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