Rupert Neve DesignsRNDI Active Transformer DI Direct Box


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Rupert Neve Designs RNDI 48v Powered DI

The Rupert Neve Designs RNDI is an inherently flexible standalone DI that emphasizes the full harmonic weight of the source instrument while simultaneously isolating the input signal. The unit combines discreet class-A amplifiers with Rupert Neve’s custom transformers for an unrivaled tonal experience that is truly worthy of the brand. 

The RNDI boasts impeccably high input headroom of + 21dB, meaning it is capable of handling a plethora of line-level sources without the need for a pad. When in speaker mode, the unit is capable of handing the full output of a 1000-watt power amp. In terms of consistency, the RNDI is about as tried-and-true as they come. In addition to its high headroom, the unit also boasts a 2M Ohm discrete FET input. When set to instrument mode, users can route their interface output into the unit for any necessary re-amping. 

RNDI Features

  • Groundbreaking Direct Tone: When class-A, discrete amplifiers meet Rupert's custom transformers, good things happen to your tone. The RNDI is imbued with the unique components and design knowledge that makes it worthy of the Rupert Neve name
  • Huge Headroom: The high input headroom of +21.5dBU is capable of handling professional, line level sources without a pad - and in speaker mode, the RNDI can handle the full output of a 1000-watt power amplifier (92 Vrms or 266Vp-p).
  • Rugged Solid-Steel Frame: The rugged steel chassis features an industrial-grade powder coating, and is built to withstand the severe stresses of life on the road
  • Takes All Kinds: The RNDI has immensely consistent performance across a wide variety of sources due to its 2M Ohm discrete FET input and high headroom. You can confidently use the RNDI with basses, guitars, acoustic instruments, keyboards, and even professional line level devices. In instrument mode, you can even connect a professional line level
  • interface output to "Re-Preamp" a previously recorded source
  • Drive Longer Lines: The low impedance transformer coupled output - below 50 ohms - is capable of driving long lines with unrivaled high frequency performance
  • 1/4" THRU Output: In instrument mode the THRU output can feed the amplifier input for reinforcement. In speaker mode, the THRU is used to feed the amplified signal to the speaker
  • Best in Class Phase Coherence: Phase coherence is excellent at all frequencies, which keeps the sound well-balanced and natural, and is especially vital when blending the direct signal with a microphone capture of the same source
  • Ground Lift: A ground lift switch is provided on the back to help fix any problematic grounding.
  • Phantom Powered: The RNDI is powered by standard 48V phantom power. Power is indicated by a blue LED on the front panel
  • Type: Active DI
  • Channels: 1
  • Inputs: 1 x 1/4"
  • Outputs: 1 x XLR, 1 x 1/4" (Thru)
Rupert Neve Designs RNDI Active Transformer DI Direct Box Reviews