Click to enlargeCOMTEK BST-50b Transmitter

The BST-50b base station transmitter is designed to meet the high demands of assistive listening, language interpretation, and other high fidelity one-way radio link applications. A wide variety of special features enables this transmitter to work with any existing sound installation. Plus, the BST-50b maintains complete compatibility with existing wide-band or narrow-band assistive listening receivers of any make, including companded and non-companded receivers, for high fidelity sound reproduction. What’s more, the BST-50b offers the added versatility of 120 mW of power for large arenas and stadiums.

Audio Inputs:
  • Mic: XLR 600 ohm Balanced -40 dBV (nominal)
  • Line: XLR >10 k ohm Balanced 0 dBV (nominal)

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

    RF Output Power: 120 mW for F.C.C. Part 90

    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 10 kHz

    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

    Frequency Modulation:
  • Up to 50 kHz deviation for wide-band channels
  • 10 kHz deviation for narrow-band channels

    Frequency Stability: Better than 0.002% digitally synthesized, crystal controlled

    Dimensions: 6 1/2” W x 1 3/4” H x 5 5/8” D

    Weight: 44 oz

    Part# BST-50b

    Availability: Usually ships in 2-3 business days

    COMTEK BST-50b Transmitter
    BST-50bRegular price: $2,260.95Ergoguys price: $1,990.95
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