DI-USB
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- UNIKA was founded in 1985 by Mr. K.C.HWA who is an audio engineer. At that time, it was the heyday of Taiwan’s electronics industry. HWA saw that most of the professional audio R&D and OEM were controlled by Japan and South Korea.
Unika is the UK’s Leading manufacturer of Installation and Aftercare products for Kitchens and Wood & Laminate Flooring. Unika’s company philosophy is to offer quality British made products that will last. Unika has served professionals in the Kitchen & Flooring markets, Retail & Trade Channels and DIY for over 20 years.
The Unika DI-USB is a high-resolution stereo direct box designed to convert sound files from a laptop computer, it is a fully USB 2.0 compliant, 24bit digital to analog audio converter and also a direct input that lets you interface a high impedance (Hi-Z) audio output with professional low impedance (Low-Z) PA and recording systems.
In the case of the DI-USB Box, the digital audio signal is converted to analog and feeds directly into the direct box circuit to produce Low-Z balanced left and right stereo signals.
The built in preamp allows you to adjust the output level from mic-level to line-level and enables the DI-USB Box to connect directly to mixing consoles, power amplifiers and self-powered speakers alike. The DI-USB Box ensures the digital signal is delivered to the PA as faithfully as possible.
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The DI-USB is a high-resolution stereo digital audio converter (DAC) and direct box that is designed to connect to any computer system to seamlessly transfer digital audio to analog.
A professional Hi-Z direct input is also equipped, this is most commonly used with guitar pickups or keyboards, it also can be fed either from a linelevel output from the head (pad set to -20dB) or from the amplifier power output. A stereo pair of balanced XLR audio outputs with adjustable level control then feeds the signal to a microphone preamplifier, PA system, mixing console or even a powered speaker!
Made for plug and play simplicity, the DI-USB will automatically be listed as an available sound card in the audio settings in all popular operating systems,including Windows 7/8, Windows 10 and Mac OSX.
Connection to a computer is accomplished through a standard USB type-B port. Digital-to-analog conversion can be monitored on headphones through the 3.5mm analog output jack to check signal quality and level before connecting to a sound system. Two isolated output transformers are equipped to eliminate any hum or buzz caused by ground loops. To further reduce susceptibility to noise, this is augmented with a ground lift switch that lifts pin-1 on both XLR jacks.
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．Stereo USB Laptop Direct Box.
．High impedance direct input for electronic musical instrument signal feed.
．High performance 24bit digital audio converter .
．Ready to use without the need of a driver .
．Standard USB type-B port for connection to computer .
．3.5mm analog headphone output to check signal.
．Level control for outputs and headphone.
．The direct input signal will be mixed to the USB stereo signal at the output stage.
．Selectable 3 steps attenuator for Hi-Z direct input.
．Accept power from 9V battery, +20V to +48V phantom power or 5V from USB.
．2 channel XLR Balanced Low-Z output with isolation transformer .
| DI-USB | |||
|---|---|---|---|
| USB Compliance | USB 2.0 full speed, type B connector | ||
| Bit Depth | 24bit / 16bit | ||
| Sampling Rate | 44.1KHz / 48KHz auto sensing | ||
| Sound File Compatibility | WDM, MME, Core-Audio, ASIO and DirectSound | ||
| Software Compatibility | Vista/Win7/Win8/Win10 and Mac OSX | ||
| Frequency Response | 20Hz to 20KHz，+1/-1 dB | ||
| Dynamic Range | >90dB | ||
| Noise Floor | <-90dBu, unweighted 20Hz to 20KHz. | ||
| Maximum Output | +9dBu. | ||
| Total Harmonic Distortion | Less than 0.008% at 1KHz, 0dBu output | ||
| Hi-Z Direct Input | Unbalanced, XLR/¼”TRS combo jack. (Pin-2 Hot, Pin-3&1 Ground). | ||
| Link Output | Unbalanced, Parallel link output ¼”TRS jack for feeding to other equipment. | ||
| Direct Input Attenuator | At 0dB | At -20dB | At -40dB |
| Direct Input Impedance | 1 MΩ | 47KΩ | 47KΩ |
| Max. input level before Clip | +9dBu | +29dBu | +49dBu |
| Output Impedance | 200Ω nominal, Transformer Balanced. | ||
| Analog output | Balanced transformer isolated (XLR-M, Pin-1 Ground, Pin-2 Hot, Pin-3 Cold) | ||
| Headphone output | 3.5mm TRS, (Tip-Left Ch. Ring-Right Ch., Sleeve-Ground) | ||
| Level control | Variable, works on headphone and XLR outputs | ||
| Ground lift | Lifts pin-1 on both XLR outputs | ||
| DC Power | derives power from USB, plug-in 9V battery or +20V to +48V Phantom power | ||
| Finish | Durable powder coat | ||
| Size (H×W×D) | 158 x 112 x 46 mm | ||
| Weight | 1.2Kg, 2.6lbs. | ||
| Construction | 14 gauge steel cabinet & chassis | ||
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