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VL Design TEF25 USB Based Pre Amplifier for Acoustical Analysis - Mic not included
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    VL Design TEF25 USB Based Pre Amplifier for Acoustical Analysis - Mic not included

    Manufacturer: VL DESIGN ONLINE LLC

    Item #: VLD-TEF25   •   MFG #: TEF25


    Our Price:$1,999.00

    free ship
    More on the way, usually ships in 3-10 business days
    This item is currently out of stock and will ship the minute we receive it – typically 3-10 business days. Need it sooner? Expedited delivery options may be available. Email [email protected] or call customer service at 800-522-2025 and we'll make it happen.

      California Residents:
      Cancer and Reproductive Harm -


      The VL Design TEF25 USB Preamp combines the portability of a small USB Preamp with the accuracy of the traditional TEF20 analyzer, in an affordable package. The TEF25 comes with the SoundLab SLUPG1 Software Upgrade that lets you run all previously owned TEF20 programs: TDS, MLS, RTA, PEQ, PLR and SLX. Run the older Versions or step up to Version 6 modules! Available in Version 6 is the Post Processing Module, SLPPS60. Also included is the TEF Training Class 3-DVD Set that contains the topics from the TEF Level I class.

      • Features

        • Portable Dual Channel Analyzer
        • USB / DC Powered
        • Extremely Low Noise Floor
        • Post Processing of TDS and MLS
        • Accurate Phase Measurements
        • Utilizes Existing TEF Software
      • Specifications

        • General Specifications
        • A/D: 24 Bit - 48kHz to 192kHz; Selectable
        • D/A: 24 Bit - 48kHz to 192kHz; Selectable
        • DSP: 75mHz; 75 MIPS
        • Frequency Response: 6Hz to 90kHz: ± 1dB
        • Signal to Noise: > 114dB; Unity Gain, ref +4dBV, 1kHz
        • THD + Noise: < 0.1: +4dBu 1kHz
        • Noise Floor: -130dBV
        • Dynamic Range: > 114dB
        • Gain: 60dB: Selectable Stages, 1dB steps
        • Channels: 2 Analog Input, Output
        • External Power**: 12vdc @ 500mA: 2.1mm jack - sleeve positive
        • USB: 2.0 Compliant

        • XLR: Active Balanced/20k Ohms: Pin 2 Hot, Per AES Standards
        • TRS: Active Balanced/20k Ohms: Tip+, Ring-, Shield (20dB Pad)
        • XLR: +4 dBV: Max Level
        • TRS: +24 dBV: Max Level

        • XLR: Active Balanced / <100 Ohms/Leg: Servo Balanced

          Phantom Power:
        • +24vDC: Without External Power
        • +48vDC: With External Power
        • On/Off: Software Selectable

          Computer Minimums:
        • Processor: Pentium 4 @ 2GHz: Core Duo @ 1.5Ghz
        • Operating System: Win 2000, XP, Vista, Win7
        • RAM: 512Mb

        • Case: Extruded Aluminum: Black Finish
        • Panels: Aluminum: Black Finish
        • Size (WxLxH): 6.75 x 5.25 x 2.25"
        • Weight: 2 lbs.

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