Radial Engineering USB-Pro Stereo USB Laptop DI

Radial Engineering USB-Pro Stereo USB Laptop DI

Radial Engineering USB-Pro Stereo USB Laptop DI

B&H # RAUSBPRO MFR # R800 1050
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  • 1Description

The USB-Pro Stereo USB Laptop DI from Radial Engineering is a high-resolution stereo direct box, designed to convert sound files from a laptop computer and seamlessly transfer them to a pair of balanced audio outputs to feed a PA, recording, or broadcast mixing console.

With the plug-and-play functionality, this easy-to-use unit automatically configures itself for use with all popular operating systems including Mac OS X, Windows XP, Vista, and Windows 7, thus eliminating the need to load special drivers. Unlike devices that are limited with 16-bit, 44.1 kHz conversion rates, it elevates the performance with true 24-bit, 96 kHz stereo converters to deliver more headroom and greater detail. This eliminates the need for additional sound cards or separate converters when transferring files, further streamlining production in busy work environments.

Connection from the laptop is done via the pro-audio standard USB type-B port. Digital-to-analog conversion is monitored with the built-in headphone amplifier to ensure the signal is being properly downloaded and converted. A mono-sum switch may be engaged to check for phasing or facilitate signal distribution to 2 outputs should this be preferred. You can simply set the output volume control to suit your needs. Should hum or buzz caused by ground loops be encountered, the 2 set & forget side-access switches let you insert isolation transformers into the signal path to block stray DC voltage offsets. To further reduce susceptibility to noise, this is augmented with a ground lift switch that lifts pin-1 on the 2 XLRs.

It is designed to handle the rigors of professional touring. Radial’s unique book-end design creates protective zones around the switches, connectors, and controls to keep them out of harm's way. I-beam construction on the inside assures the sensitive internal PC board will not torque, which could otherwise cause premature part failure. A full bottom no-slip pad in this unit provides mechanical isolation and electrical insulation.

High-performance 24-bit/96 kHz stereo direct box
Automatically installs without the need of a driver
Built-in headphone amplifier for monitoring
Balanced Lo-Z outputs with switchable isolation
UPC: 676101040599
In the Box
Radial Engineering USB-Pro Stereo USB Laptop DI
  • Limited 3-Year Transferable Warranty
  • Table of Contents
    • 1Description
    Circuit Type Custom decoder with analog line drive
    USB Compatibility USB 2.0 full speed
    Bit Depth 24-bit (16-bit capable)
    Sampling Rate 96 kHz (44.1 kHz / 48 kHz auto sensing)
    Files Supported WDM, MME, ASIO, CoreAudio, and DirectSound support
    Software Compatibility Windows XP/Vista/Win7/Mac OS
    Frequency Response 5 Hz to 40 kHz (30 Hz to 18 kHz with isolation)
    Dynamic Range >90 dB
    Noise Floor <-90 dBu
    Gain +8 dBu (maximum)
    Total Harmonic Distortion 0.01%
    Stereo Separation 75 dBu
    Output Impedance 300 Ω (nominal)
    Digital Input USB connector B-type
    Analog Output Stereo balanced mic level (2 x XLR-M)
    Headphone Output 3.5mm TRS
    Level Control Variable, works on headphone, and XLR outputs
    Isolation Switchable for each channel
    Features Mono Switch: Sums left / right inputs to mono Ground Lift: Lifts pin-1 on both XLR outputs
    Power USB bus powered 500 mA maximum
    Construction 14 gauge steel chassis and outer shell, baked enamel finish
    Dimensions 3.3 x 5.0 x 2.0" (83.8 x 127.0 x 50.8 mm)
    Weight 24.0 oz (680.4 g)
    Packaging Info
    Package Weight 1.8 lb
    Box Dimensions (LxWxH) 6.4 x 4.4 x 2.9"
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