Rupert Neve Designs RNDI Active Transformer Direct Interface

Rupert Neve Designs RNDI Active Transformer Direct Interface

Rupert Neve Designs RNDI Active Transformer Direct Interface

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Product Highlights

  • Class-A Biased Discrete FET Amplifiers
  • Low-Impedance, Transformer-Balanced Out
  • "Re-Amping" of Pro Line-Level Sources
  • Instrument and Speaker Modes
  • Powered by +48V Phantom Power
  • Rugged Powder-Coated Steel Chassis
  • Minimal Loss of HF Over Long Distances
  • Adds 2nd and 3rd Order Harmonics
  • +21.5 dBU of Headroom
  • Handles 1000W Power Amplifier Output
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Rupert Neve Designs RNDI overview

  • 1Description

Designed by the man himself to convey the undiminished tone and vitality of the source instrument while balancing and isolating the original signal, the Rupert Neve Designs RNDI Active Transformer Direct Interface raises the bar for DIs. The product of experimentation with new transformer designs, the interface uses class-A biased discrete FET amplifiers with low-impedance, transformer-balanced outputs to deliver consistent performance over cable stretches as far as 100' with minimal loss of high-frequency information.

The unit is powered by industry-standard 48V phantom power on an XLR connection and creates a very high-impedance input of 2 MOhms to ensure consistent performance for a wide variety of instruments. The class-A design ensures that there is no crossover distortion added to the signal, which would otherwise add upper order odd harmonics which are musically dissonant. Instead the unit provides 2nd order (octave) and some 3rd order (fifth above octave) harmonics to enliven the sound. The discrete design of the system means there are no integrated circuits or digital components that can detrimentally effect the sound signature.

In instrument mode, the DI offers the user +21.5 dBU of gain, which is also capable of working with professional line-level sources like interfaces, CD players, and drum machines without a pad. This allows the unit to act as a "Re-Preamp" so you can change the tonality of a previously recorded piece of music. To do this, simply connect a channel output of the audio interface to the input of the DI and engage 48V power. By "Re-Preamping", you can apply the tone of another preamp to the source and more accurately automate or control the drive level on the preamp.

When placed in speaker mode, the unit can handle the output of a 1000W power amplifier (92 Vrms or 266 Vp-p) to capture the full tone of the instrument, preamp, EQ, inserts, and the amplifier's output stages before hitting the speakers. This allows the engineer to avoid any bleed in a live environment and any unwanted tone added by the speaker cabinet or microphone. When used with modern speaker emulation plug-ins, this allows the engineer to take advantage of the flexibility of digital modeling and the non-linear response of an actual analog amplifier.

Direct Tone
Features class-A discrete components to deliver the legendary Neve tone
Provides +21.5 dBU of gain for professional line-level sources without a pad in speaker mode. This makes the unit capable of handling the full output of a 1000W power amplifier (92 Vrms or 266 Vp-p)
Rugged Steel Frame
Features an industrial-grade powder-coated steel chassis built to withstand the stresses of life on the road
Variety of Sources
Provides consistent performance across a variety of sources due to its 2 MOhms discrete FET input and high headroom. Works well with everything from 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
Utilizes a low-impedance transformer-coupled output, below 50 ohms, to drive long cable lines while retaining high-frequency content
1/4" THRU Output
Uses a THRU output in Instrument mode to feed the amplifier input for sound reinforcement
Phase Coherence
Keeps the sound well-balanced and natural, especially important when blending the direct signal with a microphone capture of the same source
Phantom Power
Uses 48V phantom power with a blue LED indicator
UPC: 752423657315
In the Box
Rupert Neve Designs RNDI Active Transformer Direct Interface
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Rupert Neve Designs RNDI specs

    Packaging Info
    Package Weight 2.35 lb
    Box Dimensions (LxWxH) 10.1 x 7.8 x 3.0"

    Rupert Neve Designs RNDI reviews

    RNDI Active Transformer Direct Interface is rated 5.0 out of 5 by 3.
    Rated 5 out of 5 by from Phenomenal DI I have other DIs with Jensen Transformers, and large red DIs with tubes. All are great and serve a purpose in the sonic arsenal of guitars and synths. I bought a pair of the Rupert Neve DIs for both stereo synths as well as sending recorded guitar to two amp heads for reamping. The tone of these is beautiful, full and very, very musical. The instrument/speaker switch is a real game changer for handling high output guitar heads. Electronic pianos sound warmer and fuller and less digital. You will not regret getting one (or two!) of these. I am very satisfied with my purchase and the service as always from B&H is second to none.
    Date published: 2016-03-21
    Rated 5 out of 5 by from Head and shoulders above the others... The Rupert Neve DI shows, again, why Mr Neve deserves his reputation. This DI manages to combine astonishing clarity with a rich, lush musicality that allows breath and life into the signals it passes, making other high end DIs - including several equipped with Jensen transformers - seem somewhat pedestrian by comparison. Apart from the superior sonics, the RNDI offers flexibility, being switchable for instrument or speaker levels, allowing it to capture either the input or output signals of an instrument amplifier. Not only does it sound better than other DIs, it also offers more options than most. Last but not least, it is build very solidly. It's not as light or compact as some DIs' but it appears to be extremely robust. And it looks good as well.
    Date published: 2015-12-27
    Rated 5 out of 5 by from RNDI Simply the best DI on the market! Great for everything - passive, active Guitars, keys and etc.
    Date published: 2016-12-19
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