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  • RUP-RNDI

    Rupert Neve RNDI Active Transformer Direct Interface

    The Rupert Neve RNDI Active Transformer Direct Interface is the product of new custom Rupert Neve-designed transformers and class-A biased, discrete FET amplifiers. The carefully orchestrated union of these two elements is key to the RNDI’s unique response, delivering a powerful and vibrant direct sound capable of reproducing the full harmonic depth of basses, guitars, acoustic instruments, and professional line level sources. 


      • Rupert Neve RNDI PRODUCT FEATURES:

        The Development

        After coming into existence during an experimentation with new transformer designs, the RNDI was fine-tuned over a series of listening tests against the the most popular high-end DIs available. It was in these tests where the RNDI always seemed to add another dimension to the sound and bring the instruments to life. The lows felt richer, deeper and fuller, and the highs had outstanding clarity without any added harshness. Most importantly, the design team noted: "As musicians, the RNDI consistently stood out as the DI we wanted to play through."

        Key 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

      • Rupert Neve RNDI TECHNICAL SPECIFICATIONS:

        Noise:

        Measured Output, un-weighted, 22Hz-22kHz, source impedance 150 Ohms to 10K Ohms

        Better than -110dBV

        Input Impedance

        Instrument Setting: 2.2 Meg Ohm

        Speaker Setting: 200k Ohm

        Output Impedance

        Less than 40 Ohms

        Frequency Response

        +/- 0.25dB from 25Hz – 44kHz

        +/- 1dB from 12.5Hz – 63kHz

        -3dBu @ 92kHz

        Maximum Input Level

        Instrument = +21dBu Typical Speaker = +41.5dBu, 92 Vrms (266Vp-p)

        Maximum Output Level

        +11.5dBu output at maximum input level

        Total Harmonic Distortion plus Noise

        @ 1kHz, +20dBu input level:

        0.25% Typical (2nd and 3rd harmonic)

        @ 1kHz, -20dBu input level :

        0.015% Typical (2nd and 3rd harmonic)

        @ 20Hz, -20dBu input level :

        0.75% Typical (2nd and 3rd harmonic)

        Power Requirements

        Phantom power, 4.5mA @ +48VDC

        Weight

        1.5lbs

        Dimensions

        6.25” long x 4”wide x 1.5” high