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Radial Pro DI Passive Direct Box

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Product Description

The Radial Pro DI is a high quality passive direct box that employs a proprietary transformer for both impedance conversion and isolation.
Linear from 20Hz to 18kHz, the Radial Pro DI features how distortion and virtually zero phase distortion, making it a perfect choice for live and studio performance. Features include 1/4-inch input and thru-put, -15dB pad and ground lift, all of which are protected from damage via a protective front panel zone. The heavy-duty construction with baked enamel finish is designed to provide years of trouble-free performance. The Radial Pro DI is ideal for acoustic guitars, bass, keyboards and drum machines.

Radial Pro DI Features

  • Full range passive direct boxes
  • Isolation transformer eliminates noise
  • Very low harmonic and phase distortion
  • Compact and rugged design
  • Ideal for live sound and studio

Since Radial introduced the JDI back in 1996, customers have asked them to produce a more affordable passive direct box so that home studios, small sound companies and community centers can enjoy some of the benefits of using a JDI. The Radial JDI is very special in that it employs a $100 Jensen Audio Transformer as the engine that performs the impedance conversion and the isolation. Radial searched high and low to find a more affordable alternative, but no matter how hard they looked, the quality was never close. The Jensen is truly perfect!

This left Radial with only one choice: to have a custom-made transformer built to their specifications. Although not quite as good as the Jensen, this new transformer is light years ahead of the competition and features many of the attributes that makes the Jensen unique. The difference, however, is that now Radial can offer a direct box for less than half the price!

The Radial Pro DI features standard hi-Z input and thru-put 1/4-inch connectors, -15dB input pad and ground-lift switch. The balanced output is 600 Ohm to interface with professional snake systems and consoles. All switches are recessed in a protective zone to shield against damage from the road.

Performance is amazing: linear from 20Hz to 18kHz, the ProDI features exceptionally low harmonic distortion and virtually zero phase distortion in the critical bass and mid zone, making it ideal for performance venues and studio work. Because of the transformer isolation, problems such as hum and buzz caused by ground loops are eliminated, making it very easy and hassle-free to use.

Product Specifications

Radial Pro DI Specifications

  • Frequency Response: 20Hz to 20kHz (+/-2.5dB)
  • Harmonic distortion: 0.01% (20Hz to 20kHz)
  • Phase distortion: 1 degree at 1Khz, 8 degrees at 20Hz
  • Common mode rejection: -90dB @ 60Hz
  • Input impedance: 140kOhms
  • Output impedance: 600 Ohms
  • Input pad: -15dB
  • Size (W x H x D): 2.75 x 4.25 x 1.75 inches
  • Weight: 1.2 lbs
  • Construction: 14-gauge steel chassis and shell, baked enamel finish
  • Warranty: 3 year limited warranty
Helpful Info about the Manufacturer
Phone:  604-942-1001 Warranty:  3 Year Transferrable
Lawrence Adams from Loveland OH USA
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MSRP: $115.00
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