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Radial SB5 Laptop Stereo Direct Box for Computer DJs

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Product Description

A compact stereo direct box designed to accommodate laptops and tablet computers, the Radial SB5 Laptop DI gives you the correct impedance to provide the best sounding audio when connecting your DJ software, iTunes, or Karaoke software directly from your Laptop to a PA system.

Radial SB5 Laptop DI Features

  • Stereo direct box for laptop computer
  • Integral 1.5m cable with sidewinder cleat
  • Transformer isolation eliminates noise
  • Plug and play easy to use – no power required
The passive design begins with an integrated input cable that connects from the headphone out via a flexible 1.5m (5 foot) cable that is terminated with a standard 3.5mm (1/8 inch) stereo connector. The cable is secured via a clamping strain relief and is wrapped using the sidewinder cleat for easy storage. This of course eliminates having to locate a cable making it easier to deploy in fast paced work environments.

Inside, the signal is sent to a pair of custom wound transformers where the impedance is lowered and the signal is balanced for long cable runs - upwards to 100 meters (300'). Transformers further benefit by isolating the computer from the PA system to help eliminate hum and buzz caused by ground loops. This is augmented with a ground lift switch to further reduce ground contamination.

A choice of output connectors is available including a stereo set of 1/4 inch TRS jacks for full stereo operation or an XLR out that automatically sums the left-right program material to mono. This can save valuable channels on the PA system and makes setup easier in situations where full stereo reproduction is not required. A -15dB input pad may be engaged to reduce sensitivity and enable extra high output sources to be connected without distortion.

These features combine to make the SB5 the perfect tool-kit DI for the AV technician, media manager or traveling musician equipped with a computer.

Product Specifications
Radial SB5 Laptop DI Specifications
  • Audio circuit type: Passive, transformer based
  • Number of channels: Two channels, mono or stereo outputs
  • Frequency response: 20Hz ~ 20KHz (± 1dB)
  • Dynamic range: 100dB
  • Maximum input: +20dB
  • Total harmonic distortion: 0.01% @ 1kHz
  • Phase deviation: 2 degrees @ 100Hz; 5° @ 50Hz
  • Input impedance: 40k Ohms, unbalanced
  • Output impedance: 2.8k Ohms, balanced
  • Transformer: Custom design
  • Input pad: -10dB
  • Auto Merge: Sums left & right sources to mono at XLR
  • Ground lift: Disconnects pin-1 at 1/4" TRS outputs
  • XLR configuration: AES standard (pin-2 hot)
  • Input connector: 3.5mm (1/8 inch) integrated 1.5m (5') cable
  • Output connectors: 1/4 inch TRS stereo / XLR-M mono merge
  • Construction: 14 gauge steel chassis & outer shell
  • Finish: Baked enamel
  • Dimensions (LxWxD): 4.5 x 1.85 x 1.35 inches (114 x 47 x 34 mm)
  • Weight: 0.55 lbs (250 grams)
Helpful Info about the Manufacturer
Phone:  604-942-1001 Warranty:  3 Year Transferrable
Trevor Victory from Columbus, OH, USA
Overall Rating
General
Subject
Radial Does It Yet Again
General
Your general opinion of this product.
My band uses a laptop/mobile mp3 player for click tracks as well as synth tracks. With a basic "insert" cable, there is usually an audible hum whenever the play back device is plugged in. This completely solves any of those issues, and having the built in 3.5mm tip cable makes everything much nicer during clean up.
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MSRP: $115.00
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