Radial J48 Stereo Active DI

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The J48 stereo is a high performance 2-channel active direct box for live concert touring and professional recording studio applications, with the ability to handle extreme transients without distortion while delivering the natural sound of your instrument.

หมวดหมู่ : DI (Direct Box) Radial

แบรนด์ : Radial

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Higher voltage, higher headroom
Most battery-powered instruments and stereo keyboards will produce as much as 7 Volts when played at maximum volume, which can easily overload typical active direct boxes which have are only able to handle about 3 Volts. The J48 Stereo uses a unique switching power supply that raises the internal rail voltage so it can handle up to an incredible 9 Volts, resulting in improved signal handling and greater headroom. This additional headroom significantly reduces distortion of all types, allowing the natural tone and character of the instrument to shine through. The J48 maintains stereo separation between the left and right channels, allowing it to be used on two separate instruments or with stereo sources such as keyboards.

Using the J48 Stereo with a keyboard
The J48's active circuit and amazing signal handling makes it a great choice for both digital and old school analog keyboards. A built-in pad reduces the sensitivity if needed.

Using the J48 Stereo with two basses
The compact design makes it easy to connect two guitars using one direct box. The great sounding active circuit sounds as good as other DIs costing five times as much!

J48 Stereo with two different instruments
Use the J48 Stereo with two completely different instruments. The low crosstalk makes it a great choice when doubling between bass, acoustic guitar, fiddle, or mandolin.

Features:

  • 14-gauge steel construction bookend design protects switches and connectors for years of use
  • I-beam construction resists twisting to preserve internal components
  • Glass-filled nylon connectors feature extra large tarnish-free nickel-silver contacts
  • Onboard sound-shaping controls include -15dB pad, highpass filter, and polarity reversal
  • Unique switching power supply converts the 48 volt phantom to AC for increased headroom
  • Phantom power provides consistent power supply
  • Audio ground lifts at the power supply so phantom power isn't compromised

Specs:

  • Audio circuit type: Proprietary analog circuit with low-noise op-amp
  • Number of channels: 2
  • Frequency response: 20Hz ~ 20kHz
  • Dynamic range: 109dB
  • Total harmonic distortion: 0.002% @ -5dBu
  • Intermodulation Distortion: 0.003% @ -3dBu
  • Phase Deviation: +10º at 20Hz | 0º at 1kHz | -1º at 20kHz
  • Input Impedance: 220kΩ - ¼" input
  • Output Impedance: 600Ω - XLR output
  • Equivalent Input Noise: -103dBu
  • Noise Floor: -99dB below 0dBu
  • Maximum Input: +10dBu

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