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Hall Research Technologies

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    • Hall Research AD-340 Universal Audio Delay Processor

      Hall Research AD-340 Universal Audio Delay Processor

      The AD-340 is an audio delay processor with universal analog (L/R) and digital (SPDIF) inputs and outputs. Both outputs are simultaneously active, enabling conversion between analog stereo audio to LPCM or vice versa. Delay time can be specified in milliseconds, frames, or distance depending on the application. Analog inputs provide +/- 24 db of gain for direct connection of low level mic as well as handling 2vrms line-level signals. The AD-340's digital I/O support 2-channel linear PCM, 5.1 Channel...

       

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      Item #: HRT-AD-340

      Availability: In Stock

      Our Price: $341.05

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    • Hall Research AMP-4840 Audio Amplifier with Microphone Mixer and RS-232 Control - 40 Watt

      Hall Research AMP-4840 Audio Amplifier with Microphone Mixer and RS-232 Control - 40 Watt

      Hall Reaserch's AMP-4840 is a compact, economical and energy efficient (Class D) mono / stereo audio amplifier with 3 inputs (2 line in and 1 balanced mic). Versatile design is compatible with dynamic, condenser or wireless microphones with fully adjustable control options including RS-232, IR, and front panel buttons. Functions include bridge connection, dual-mono, EQ control, and microphone mixer. It is designed to drive one or two speakers, but is capable of driving 4 speakers...

       

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      Item #: HRT-AMP-4840

      Availability: Direct Ship From Manufacturer

      Our Price: $280.25

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    • Hall Research HR-101 Mic and Line-Level Fiber Optic Audio Extender Kit

      Hall Research HR-101 Mic and Line-Level Fiber Optic Audio Extender Kit

      The HR-101 a professional quality Fiber-Optic audio extender kit comprised of two units: a sender (HR-101-S) and a receiver (HR-101-R). The HR-101-S is a compact and professional grade microphone amplifier with stereo line-level mix that can be used as a stand-alone device, or paired with the HR-101-R to extend audio over long distances on fiberoptic cables. The HR-101-S provides a balanced mic input on an XLR connector as well as a stereo line level input on 3.5mm mini-stereo jack. The unit...

       

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      Item #: HRT-HR-101

      Availability: Direct Ship From Manufacturer

      Our Price: $703.00

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    • Hall Research VSA-PGSNS Page Sensor for VSA System

      Hall Research VSA-PGSNS Page Sensor for VSA System

      Page mute sensor for VSA-51 system. Non-invasive sensor clamps around existing paging lines. The sensor detects when the paging or intercom system is activated and automatically mutes audio on the VSA-51-R. The system will automatically unmute after the paging ends. Features: Non-invasive clamp allows installation without cutting any existing wires Variable sensitivity for fine tuning adjustment Specifications:

       

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      Item #: HRT-VSA-PGSNS

      Availability: Direct Ship From Manufacturer

      Our Price: $113.05

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      For over twenty years, Hall Research Technologies has been designing and manufacturing innovative Audio/Video, automation, and switching products with exceptional quality and reliability in the United States. Hall Research Technologies is one of the leading suppliers of high-resolution video systems worldwide.

      Hall Research Technologies has developed equipment that has been used extensively by companies and organizations around the world in the following industries: Medical Imaging, Airport Security, Broadcast Industry, Defense and Aerospace, Manufacturing Industry, Corporate A/V Systems, Schools and Training Facilities, and Courtroom Evidence Presentations.

      Markertek is an authorized dealer for the entire Hall Research Technologies line. If you don't see what you're looking for, contact us and we'll do our best to get it for you.

       
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