SKU: 61008119295

Rupert Neve Designs RNDI Active Transformer Direct Interface

Sale price$30087.00 Regular price$33430.00
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Description

Rupert Neve Designs RNDI Active Transformer Direct InterfaceClass 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 Designed by the man himself to convey the undiminished tone and vitality of the source instrument while

  • 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

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
Headroom
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
Packaging Info
Package Weight 2.35 lb
Box Dimensions (LxWxH) 10.1 x 7.8 x 3.0"
In the Box
Rupert Neve Designs RNDI Active Transformer Direct Interface
  • Limited 1-Year Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 61008119295

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Chelsea, US
★★★★★ 5
READ THIS AND CHANGE YOUR LIFE FOR THE BETTER NOW!!!
33% of Americans are verging on type 2 diabetes and do not know it. This should make you run to get this book! Following Glucose goddess on Instagram and got her book as well. It is easy to read, with fun illustrations by the author. She has truly helped me so much with my insulin resistance and managing my glucose spikes. "Lifestyle optimization" is an essential for everyone. Why wait until you are diagnosed? These hacks are simple, fun, and super easy. Her audiobook is also out now and is read by the author!! Which is awesome. What makes this book even MORE useful though, is if you invest in a continuous glucose monitor (CGM) and have the app. I had the Freestyle Libre sensor. Each sensor lasts 2 weeks on the skin and logs your real-time glucose levels 24/7. Way better than doing the old fashioned painful and wasteful lancet and test strips. Although you can verify your CGM occasionally using the lancet, and see how accurate the CGM is. You can have a CGM prescription written for you if you INSIST at your nurse practitioner's. (NPs are WAY more open to this kind of experimentation and self-monitoring...I got the rebuff from the doctor, HA!) What is so sad is that the healthcare system is so broken that insurance will NOT cover a CGM UNTIL you have full-blown type 2 diabetes and are dependent on exogenous insulin delivery. OR if you are a type 1 diabetic and born without the ability to process glucose. Sad huh? The FDA wants you sick, fat, ugly, and miserable. We are MUCH better desperate customers then...willing and eager to take any pills to solve the problems! Let's not be proactive and encourage the PATIENT to take measures against type 2 diabetes, right? So there are MANY benefits of managing glucose. Fairly effortless weight loss actually. In this book she dives into nutrition science and the biochemistry of different sugars as well. She has so much credibility and science-driven data backed up by her own personal journey as well as many peer-reviewed articles. Thank you Jessie!
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Reviewed in the United States on July 20, 2022
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Meal Queen
Lake Worth, US
★★★★★ 5
Really Good Book & Inspired Me to Take Action
Format: Hardcover
After I finished reading the book, I asked my doctor for a Continuous Glucose Monitor. For two weeks, I reduced my carb & sugar intake & was able to keep my glucose in the "steady" range. Then, I ate an oatmeal cookie without pre-eating any fiber or protein. BIG SPIKE! One cookie sent my glucose soaring. I can't even imagine what happens to my body when I eat 1/2 pound of candy. This book was written in a very understandable way & it inspired me to start tracking my glucose levels. I recommend reading this book. And there is definitely something about seeing the effect on your body when you eat sugar by using a CGM. It's an almost immediate visual telling you that you're inflicting damage on yourself. When you don't see it, you can pretend it's not really happening. When I saw that spike, I imagined my poor body trying to release all that insulin to remove sugar from my blood.
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Reviewed in the United States on November 3, 2025
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T3
Port Orchard, US
★★★★★ 5
Great Book to Understand How Diet Impacts Blook Sugar and Health
Format: Hardcover
Life changing book that helped me understand how sugar and processed foods impacted my health. I verified the tips in this book with my own blood glucose monitor. The tips that she shared helped me reduce my glucose spikes and helped me enjoy a little snack from time to time.
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Reviewed in the United States on March 23, 2026
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Margie Graddicks
Massapequa, US
★★★★★ 5
Good flossing technology
Cleaning ability is great. Water pressure works well. Easy to use. Quality is good.
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Reviewed in the United States on August 11, 2025
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Laura Mills
Cuba, US
★★★★★ 5
FIVE STARS!
Quality is as good if not better than the Brand name Water picks. This flosser is super powerful and gets the spots a toothbrush can’t! I would recommend it to anyone.
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Reviewed in the United States on November 15, 2024

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